Mega Slowbro ex
Pokémon from Pitch Black set
Attacks
Shellnado Spin
180
During your opponent's next turn, if this Pokémon is damaged by an attack (even if this Pokémon is Knocked Out), place 12 damage counters on the Attacking Pokémon.
Weakness
×2
Resistance
-30
Retreat cost
Rules
Mega Evolution ex Rule: When your Mega Evolution Pokémon ex is Knocked Out, your opponent takes 3 Prize cards.