Water Splash

Flip a coin. If heads, this attack does 20 more damage.

Quaxly

コインを1回投げオモテなら、20ダメージ追加。

次の相手の番、このワザを受けたポケモンがワザを使うとき、相手はコインを1回投げる。ウラならそのワザは失敗。

このポケモンにも10ダメージ。

During your opponent's next turn, if the Defending Pokémon tries to attack, your opponent flips a coin. If tails, that attack doesn't happen.

Pokémon Horizons The Series Stamp Pokémon Center

This Pokémon also does 10 damage to itself.

Pikachu jack-o'-lantern stamp Trick or Trade BOOster 2024

Found in Paldean Fates Premium Collection