Zeroth Dragon of Distant Sea, Megiddo

U(Released when the number of face up cards in your G zone is three or more! When it returns to the G zone, remove your G zone!)-Stride Step-[Choose a card with the same card name as your vanguard from your hand, and discard it] this card on your from face down. : 2 When this unit is placed on , you may pay the cost. If you do, choose up to five cards in total from your hand or drop zone, call them to separate , and until end of turn, they get +5000, and ":At the end of the battle that this unit attacked, choose one of your other rear-guards, and you may exchange positions with this unit.".