Pokémon Trading Card Game - Swampert - EX: Ruby & Sapphire 13

Poké-Power: Water Call
Once during your turn (before your attack), you may attach a Energy card from your hand to your Active Pokémon. This power can't be used if Swampert is affected by a Special Condition.

Hypno Splash 50
The Defending Pokémon is now Asleep.