This card gains 《Shadow Dragon》 in all areas. (You can only activate this skill once per turn across all copies of this card.) If your Leader Card is a 《Shadow Dragon》 card : Look at up to 7 cards from the top of your deck, then choose one- ・Add up to 1 《Shadow Dragon》 Extra Card among them to your hand, then shuffle your deck. ・If you don't have a Unison Card in play, play up to 1 {Towa, Resonance of Shadow} among them with a marker on it, then shuffle your deck.