Feraligatr (SV Black Star Promos 089)
Ability Torrential Heart

Once during your turn, you may put 5 damage counters on this Pokémon. If you do, during this turn, attacks used by this Pokémon do 120 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance) .

Water Water
Giant Wave

During your next turn, this Pokémon can't use Giant Wave.