"VWXYZ-Dragon Catapult Cannon" + "Armed Dragon LV7" Must first be Special Summoned (from your Extra Deck)suring a duel you Special Summoned both the above cards, by banishing the above cards from field and/or GY. (You do not use "Polymerization".) Your opponent cannot activate cards or the effects of cards with the same name as a banished card. Once per turn during your opponent's turn (Quick Effect): You can banish 1 card from your Deck or Extra Deck; face-up, banish all cards your opponent controls and in their GY.