Description
| Set: | Starter Deck: Codebreaker |
| Card type: | Quick Play Spell |
| Rarity: | Common |
When a monster declares an attack: Target 1 face-up monster on the field; it gains 1000 ATK until the end of the Battle Phase.
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![Ego Boost [YS18-EN031] Common](https://www.geekversehub.com/wp-content/uploads/2025/4/1745129298/ego-boost-ys18-en031-common-1745129301.webp)
Ego Boost [YS18-EN031] Common
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Set: Starter Deck: Codebreaker Card type: Quick Play Spell Rarity: Common When a monster declares an attack: Target 1 face-up monster on the field; it gains 1000 ATK until the end of the Battle Phase.
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