Houndoom - SWSH090 (Prerelease)/307 - SWSH Sword & Shield Promo Cards Holofoil

Once during your turn, you may search your deck for a Single Strike Energy card and attach it to 1 of your Single Strike Pokémon. Then, shuffle your deck. If you attached Energy to a Pokémon in this way, put 2 damage counters on that Pokémon.