"Veidos the Eruption Dragon of Extinction" + 2+ Level 9 or lower Pyro monsters
Cannot be destroyed by card effects, also your opponent cannot target it with monster effects. If this card is Fusion Summoned: You can destroy all Spells and Traps your opponent controls. When your opponent activates a card or effect on the field (Quick Effect): You can send 1 face-up "Ashened" card you control to the GY; destroy that card. You can only use this effect of "Veidos the Dragon of Endless Darkness" once per turn.