Over-Powered Hand

Can be used when your opponent controls a Rank 5 or higher Xyz Monster. Banish one of the following monsters from your Graveyard. Then, select 1 Rank 4 Xyz Monster you control, and double the ATK of that monster until the end of the turn. ● "Magic Hand" ● "Fire Hand" ● "Ice Hand" ● "Prominence Hand" For the rest of the turn after using this Skill, your opponent takes no damage. This Skill can only be used once per Duel.