Swampert (EX Ruby & Sapphire 13/109)
Poké-POWER Water Call

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

Water Water Colorless Colorless
Hypno Splash

The Defending Pokémon is now Asleep.