Gyarados G (PL 30)
Wriggle
Flip a coin for each of your opponent's Pokémon. If that coin flip is heads, this attack does 30 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
Dwindling Wave
100-
Does 100 damage minus 10 damage for each damage counter on Gyarados .
weakness: x2
resistance: none
retreat cost: 3