Red Dragon Archfiend [TDGS-EN041] Ultimate Rare Wyrm or "Duoterion" in your GY

or "Duoterion" in your GY

Set: Premium Pack 2 Card type: Normal Monster Rarity: Secret Rare Attack: 2750 Defense: 2500

during your Standby Phase

Set: Duel Terminal 4 Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Pay 1000 Life Points

Red Dragon Archfiend [TDGS-EN041] Ultimate Rare Wyrm or "Duoterion" in your GYSet: The Duelist Genesis Card type: Synchro Effect Monster Rarity: Ultimate Rare Attack: 3000 Defense: 2000 1 Tuner + 1 or more non Tuner monsters If this card attacks a Defense Position monster your opponent controls, destroy all Defense Position monsters your opponent controls after damage calculation. During your End Phase destroy all other monsters you control that did not declare an attack this turn.