Unown Yアンノーン［Y］

Poké-PowerYAWN

Once during your turn (before your attack), if Unown Y is on your Bench, you may remove 1 damage counter from 1 of your Active Unown and that Unown is now Asleep.

Search your deck for up to 2 Trainer cards, show them to your opponent, and put them into your hand. Shuffle your deck afterward.