Stunfiskマッギョ

AbilityCustom Trap

If this Pokémon is in the Active Spot, has a Pokémon Tool attached, and is damaged by an attack from your opponent's Pokémon (even if this Pokémon is Knocked Out), put 5 damage counters on the Attacking Pokémon.

During your opponent's next turn, the Defending Pokémon can't retreat.