The Opposites

Select 1 of your Level 7 or higher Dragon-Type monsters that is banished or in your Graveyard, and 1 card that has the same Level, ATK and DEF and a different card name. Add 1 of them to your hand, and return the other to the bottom of your Deck/Extra Deck. Then, return 1 card from your hand to the bottom of your Deck. This skill can only be used once per Duel.