MLB RIVALS

Greetings from Com2uS.

Please read below for details on the v3.10.00 update.

[Update Schedule]

Feb. 24, 9:00 PM - Feb. 25, 12:00 AM [EST] (3 Hours)
* The update maintenance will take place during the time above.

*  Lower versions will be blocked after the maintenance. Please make sure to update the game at the market before playing.

*  Information (screenshots and numbers) provided in the notice is currently under development, and may differ from the actual update.

*  Information (screenshots and numbers) provided in the notice is currently under development, and may differ from the actual update.

* Com2uS holds the official World Baseball Classic license. In cases where the tournament title is used without the logo, we adhere to the policy of using the full name: "World Baseball Classic."

[Update Details]

1. World Baseball Classic Card

World Baseball Classic Cards, consisting of players who participated in the 2026 World Baseball Classic, have been added.

World Baseball Classic Cards are available in Signature Black, Signature, and Prime rarities.

World Baseball Classic Cards can be obtained through World Baseball Classic Call-Up or from World Baseball Classic Player Packs.

World Baseball Classic Cards receive the preferred team effects for all teams, similar to FA Cards.

World Baseball Classic Cards will initially be released with standard Special Card photos; these will be updated to World Baseball Classic tournament photos after the tournament ends.

1) World Baseball Classic Card

MLB Players in the 2026 World Baseball Classic

 - Card Release Criteria: Players who have played a certain number of games for their current MLB team at the time of release.

 - Released Team: Based on the player's affiliated MLB team at the time of release.

  - Released Position (Batter): Positions played for a certain percentage of total games played. Up to 3 positions can be assigned per player, with only 1 position assigned per card. (Added on Feb. 26, 4:00 AM EST)

 - Released Position (Pitcher): Same as the existing Special Card release method.

 - Initial Stat Criteria: Stats based on the career-high year for each position within the release team.

* Differences between Initial OVR and MAX Growth OVR occur due to the variation in stats gained through Upgrade.

ex) OVR increases by 25 upon reaching Upgrade Lv. 25 for a Signature Card / OVR increases by 21 upon reaching Upgrade Lv. 25 for a World Baseball Classic Signature Card (Same as FA Signature Cards).

* The examples above do not include the tournament record buffs for World Baseball Classic Cards.

* World Baseball Classic Cards may be added or excluded depending on roster changes in the World Baseball Classic. Any changes will be updated in the same manner as existing Special Cards. (Added on Feb. 26, 4:00 AM EST)     

2) World Baseball Classic Buff Effect

<World Baseball Classic Record Buff>

- Additional stat buffs will be applied based on tournament records after the 2026 World Baseball Classic ends.

- Stats may increase through Record Buffs, but they will not decrease.

* Home Runs are applied to both POW and CON.

  ex) 1 HR = +2 POW and +1 CON

- Decimal values will be rounded down.

- Record Buffs are added to the initial stats. The sum of the initial stats and Record Buffs for each category cannot exceed the maximum value for each rarity.

  ex) If Aaron Judge records 3 Home Runs, the POW buff should increase by 6, but it will only increase up to 87, the limit for World Baseball Classic Signature Cards.

<MVP Buff>

- MVP Buffs are applied only to players who won the 2026 World Baseball Classic MVP award.

3) World Baseball Classic Lineup Registration

- The lineup limit for World Baseball Classic Cards is shared with existing FA Cards. If the limit is exceeded, buffs will not be applied.

- Up to 5 FA and World Baseball Classic Cards combined can be used in the lineup.

4) Preferred Team Buff

- A Preferred Team Buff is applied when a World Baseball Classic Card from the preferred team is registered in the lineup.

5) World Baseball Classic Development

<Limit Break>

- World Baseball Classic Cards have the maximum Limit Break Level applied immediately upon acquisition and can be upgraded up to Lv. 20.

<Upgrade>

- Growth costs are identical to those of FA Cards of the same rarity.

  ex) World Baseball Classic Signature Cards use the same OVR Upgrade Cards as FA Signature Cards.

<Training, Training Boost, Training Reallocation>

- The same growth costs as Training for FA Cards of the same rarity apply. 

  ex) The same amount of Training EXP as FA Signature Cards is applied to World Baseball Classic Signature Cards.

- The same growth costs as Training Boost for FA Cards of the same rarity apply.

  ex) The number of Training Boost Tickets required and Training Boost rate are the same for World Baseball Classic Signature Cards and FA Signature Cards.

- The maximum Training Boost grade for World Baseball Classic Cards varies by rarity.

- Training Reallocation and growth costs are consumed in the same way as FA Cards of the same rarity.

  ex) The number of Training Growth Reallocation Tickets and the number of stat selections required for reallocation are the same as World Baseball Classic Signature Cards and FA Signature Cards.

- The required number of Training Growth Reallocation Tickets and stat selections for World Baseball Classic Cards vary by rarity.

<Special Training>

- The same growth costs as FA Cards of the same rarity are consumed.

- Special, FA Special, and World Baseball Classic Cards can be used as materials for Special Training 

- The maximum Special Training Level for World Baseball Classic Cards varies by rarity.

- the Special Training Level increases by 1, the Deck Score increases by 2

<Special Training Retrain>

- The growth cost for Special Training Retrain for World Baseball Classic Signature Black Cards is the same as that of FA Signature Black Cards.

- Special, FA Special, and World Baseball Classic Cards can be used as materials for Special Training Retrain.

<Transcendence>

- Special, FA Special, and World Baseball Classic Cards can be used as materials for Transcendence.

- The rules for level increases based on Transcendence materials are the same as for existing Special Cards.

<Potential & Potential Reset>

- The same Potential unlocking conditions and Potential Reset Tickets as Potential for FA Cards of the same rarity are used.

- When using a Potential Reset Ticket, the same range and rate of available Bonus Potentials are applied.

   ex) The same Potential unlocking conditions and rates as FA Signature Cards are applied to World Baseball Classic Signature Cards.

- Potential Reset is also applied in the same manner as Potential.

<Development Transfer>

- Development Transfer is available for World Baseball Classic Cards, and specific rules apply based on conditions.

- When a World Baseball Classic Card is registered as a Transfer Card, cards other than World Baseball Classic Cards cannot be registered as the Target Card.

- The Development Transfer process is identical to the rarity of existing (FA) Player Cards.

  ex) Development Transfer for World Baseball Classic Prime Cards follows the same process as FA Prime Cards.

- Detailed Development Transfer rules for each condition can be found in the Development Transfer Guide.

→ Development Transfer Guide [Link]

<Rarity Boost>

- To boost the grade of a World Baseball Classic Card, the same amount of Ultimate Coins as an FA Card of the same rarity is used.

* World Baseball Classic Prime Card Rarity Boost Materials

<World Baseball Classic Signature Black Call-Up>

- The same materials as FA Signature Black Recruit are used for World Baseball Classic Signature Black Call-Up.

* World Baseball Classic Signature Black Call-Up Materials

* Same-team Signature Cards must match the target player’s team.

* Same-team Signature Cards and standard Signature Cards may be substituted with same-team FA Signature Cards and standard FA Signature Cards, respectively.

* When using a Signature Card (including FA) of the same player as the target Signature Black Card under the “Same-team Signature Card” requirement, the material's effectiveness will be three times its value.

 Example: Registering one Signature Card of the same player will count as three materials.

2) World Baseball Classic Card Skills and Structure

<Skill Structure - World Baseball Classic Prime & Signature Cards>

- World Baseball Classic Prime and Signature Cards can possess a total of 3 skills.

- Upon acquiring a World Baseball Classic Card, you can obtain Gold Tier S-level skills.

- The Gold Tier and Level S are maintained even when changing skills.

- A skill slot lock feature is available for both World Baseball Classic Prime and Signature Cards, allowing you to lock the first skill slot.

<Skill Structure - World Baseball Classic Signature Black Cards>

- World Baseball Classic Signature Black Cards can possess a total of 4 skills and can acquire Black Tier skills.

- The Skill Preset feature is provided for World Baseball Classic Signature Black Cards.

- Black Tier Skill rules are the same as those of existing Signature Black Cards.

- World Baseball Classic Signature Black Cards do not provide the first skill slot lock feature.

<World Baseball Classic Tier Skills>

- New World Baseball Classic Tier skills have been added.

- World Baseball Classic Signature Black, Signature, Prime Cards can be obtained by using Advanced or Superior Skill Change Tickets.

- Up to 4 World Baseball Classic Tier skills can be possessed.

- The first skill level of a World Baseball Classic Tier skill can be increased by 1 through the Transcendence Lv. 9 effect and the World Baseball Classic Signature Black effect.

* You can check the list of World Baseball Classic Tier skills under Player Index → Skills → World Baseball Classic.

<World Baseball Classic Tier material 사용 안내>

- World Baseball Classic Cards can be used as material Cards when performing World Baseball Classic Transcendence

- The use of material Cards for Limit Break and Special Training will be expanded in future updates.

2. World Baseball Classic Call-Up

- Menu: Manage Team → [World Baseball Classic Call-Up]

- Eligible Cards: Special Cards ((FA) Prime, Signature, Signature Black) of players who participated in the World Baseball Classic.

- Players without a Special Card cannot proceed with a Call-Up and can only be obtained through a World Baseball Classic Player Pack.

- Required Item: World Baseball Classic Call-Up Ticket

- A Special Card of the same player and rarity as the World Baseball Classic target card can be used as a material for Call-Up.

 1) World Baseball Classic Call-Up Materials

- A Special Card of the same player and rarity as the World Baseball Classic target card can be used as a material for Call-Up.

- The team and position of the material card do not matter; the player will be called up as their corresponding World Baseball Classic Card.

  ex) When calling up a World Baseball Classic Signature 1B Card for Bryce Harper, both WSH Bryce Harper (FA) Signature Card and PHI Bryce Harper (FA) Signature Card can be used as materials.

- By selecting the Call-Up Result Card slot, you can check the available World Baseball Classic Cards for Call-Up.

World Baseball Classic Results List	World Baseball Classic Card Selection	World Baseball Classic Material Card List

2) World Baseball Classic Call-Up Features

<Limit Break>

- Upon performing a Call-Up, all Limit Break values used on the material card will be refunded as follows:

- Signature/Prime Cards: Full refund of developed Limit Break values.

- Signature Black Cards: Refund of Limit Break values up to the maximum limit of a standard Signature card.

* Exceptions

<Shohei Ohtani (Two-way) Call-Up>

- If called up using a Signature Shohei Ohtani (Two-way) Card: Combined refund of Limit Break EXP used for both pitcher and batter.

- If called up using a Signature Black Shohei Ohtani (Two-way) Card: Only a single instance of Limit Break EXP will be refunded.

<Special Training>

- If the Special Training EXP used on the material card exceeds the maximum WBC Special Training EXP, the difference will be refunded

- Special Training EXP below 100 will be rounded down.

Call-Up	Item Refund

<Skills>

- Upon performing a Call-Up, all skill tiers and levels will be fixed to Gold Tier / Level S.

- Any skills that are not Gold Tier or S-level will be changed to random Gold Tier S-level skills.  

- However, if a skill is already at Gold Tier / Level S, it will remain unchanged.

  ex) Before: Bronze Tier Level D → After: Gold Tier Level S

        Before: Gold Tier Level S → After: Unchanged

* Exception

  ex) Before: Gold Tier Level D to A → After: Gold Tier Level S (random skill)

        Before: Black Tier Level B → After: Gold Tier Level S

4. World Baseball Classic Ambassador

- A World Baseball Classic Ambassador menu has been added to the Ambassador menu.

- In the World Baseball Classic Ambassador menu, you can register World Baseball Classic Cards to obtain Ultimate Coins and World Baseball Classic Upgrade Material Boxes.

* Common Rules for Contribution Rewards

  - Rewards can be claimed once every 3 days.

  - Rewards can accumulate up to 3 times (9 days). After this, no further rewards will be produced. → Production resumes after the accumulated rewards are claimed.

* Contribution Reward Information

[Ultimate Coin]

[World Baseball Classic UPGRADE MATERIAL BOX]

- There are a total of 10 World Baseball Classic Ambassador Contribution slots, and World Baseball Classic Cards of all rarities can be registered in these slots.

- Each World Baseball Classic Ambassador Contribution slot has specific unlock conditions.

* World Baseball Classic Ambassador Contribution Slot Unlock Conditions

- If the obtainable rewards increase by changing or adding players in the Contribution slots, the changes will be reflected starting from the next Contribution cycle.

- If the obtainable rewards decrease by changing or removing players in the Contribution slots, the changes will be reflected immediately.

- Products in the Ultimate Coin Rotation Shop operate on a 6-month sale period.

- Please note that the sale of products listed below will end on the following schedule.

Sale End Schedule

4. World Baseball Classic Emotes

- New emotes themed after tournament player photos will be added after the 2026 World Baseball Classic ends.

- We are working to make these available as soon as possible after the tournament ends.

1) Emote Crafting Cost

- Emote crafting costs are subject to change in future updates.

5. (FA) Signature & Impact Cards: First Skill Slot Lock Feature

- A skill slot lock feature has been added when changing skills for (FA) Signature and Impact Cards, identical to Prime Cards.

6. In-Game Animation and Other Improvements

 1) New No-Doubt Home Run Animation

  - A new No-Doubt Home Run cutscene has been added.

Ken Griffey Jr.

Marcus Semien

7. In-Game Gameplay and UX Improvements

1) Synergy Balance Improvements

  - The existing Moment/FA Card Synergies will be separated.

  - Moment Synergy will exist independently and be applied as follows

* When a total of 14 Moment Cards are registered, Batter OVR +5 and Pitcher OVR +5 will be applied.

- FA Cards and World Baseball Classic Cards have been added to the Signature Card Synergy and will be applied as follows

* When a total of 17 Signature Cards (FA, World Baseball Classic) are registered, Batter OVR +6 and Pitcher OVR +6 will be applied.

2) The number of innings for matches in the Amateur Live Match channel has been adjusted.

- The starting inning has been changed to the 8th inning, changing the format from 3 innings to 2 innings.

3) Senior Mission UI has been improved.

- For cumulative Senior Missions, progress will now be reflected and displayed for both the current stage and the next locked stages.

  ex) While the mission to obtain 4,000 Club Coins in Senior Mission STEP 7 is in progress, the progress for the 8,000 Club Coins and 12,000 Club Coins missions will also increase simultaneously.

4) The red dot appearing in the Lineup menu upon creating a new account has been removed.

8. Others

 1) Ultimate Coin Shop Revamp

  - The Ultimate Coin Shop name has been renamed the Ultimate Coin Rotation Shop.

  - Products in the Ultimate Coin Rotation Shop will follow a 6-month sale period, and a notice will be provided a month before the sale ends.

- Discontinued products may be available for purchase again in the future.

9. Scout & Player Pack: Player Pool Update

 - The list of players obtainable from Scouts and Player Packs has been updated.

 - Details on the list can be found in [Player Index and the Player Rates page].

We will continue to work on adding new exciting content along with balance adjustments, content rewards, and system improvements.

Thank you.