Fangs of the Black Wolf

If you do not have a 《Six-Sided World》 character, this card cannot be played from your hand.Choose 1 《Six-Sided World》 character in your waiting room, and return it to your hand. Choose 1 of your characters, and that character gets +1000 power and the following ability until end of turn. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, you may put the top card of your deck into your stock."