Gardevoir & Sylveon-GX

Fairy Song

Search your deck for up to 2 Fairy Energy cards and attach them to your Benched Pokémon in any way you like. Then, shuffle your deck.

Kaleidostorm

150

Move any number of Energy from your Pokémon to your other Pokémon in any way you like.

Magical Miracle-GX

200

If this Pokémon has at least 3 extra Fairy Energy attached to it (in addition to this attack's cost), your opponent shuffles their hand into their deck. (You can't use more than 1 GX attack in a game.)