Team Magma vs Team Aqua set of EX series

Slowpoke
Basic
HP50
Evolves From:
Evolves To:SlowbroSlowkingPokédex No.79
Amnesia
Choose 1 of the Defending Pokémon's attacks. That Pokémon can't use that attack during your opponent's next turn.
Tail Strike
Flip a coin. If heads, this attack does 10 damage plus 10 more damage.