You can only call this card if your flag is "Dragon Zwei". When this card enters the field, you may pay 2 life. If you do, search your deck for up to one "Great Demonic End Dragon, Azi Dahaka", put it into your hand and shuffle your deck. During your turn, when this card is put from your field into your drop zone, you may pay 1 gauge and pay 1 life. If you do, for this turn, a monster on your field gets [Penetrate].