Metagross GX

Ability — Geotech System: Once during your turn (before your attack), you may attach a Psychic or Metal Energy card from your discard pile to your Active Pokémon.

Giga Hammer (150): This Pokémon can’t use Giga Hammer during your next turn.

Algorithm GX: Search your deck for up to 5 cards and put them into your hand. Then, shuffle your deck. (You can’t use more than 1 GX attack in a game.)