Dogmatika Nexus

Cannot be Normal Summoned/Set. Must be Special Summoned by its own effect. You can target 4 Fusion, Synchro, Xyz, and/or Link Monsters in the GYs; Special Summon this card from your hand, and if you do, banish them. At the start of the Damage Step, if this card battles a Special Summoned monster: Destroy all your opponent's Attack Position monsters, then inflict 800 damage to your opponent for each Fusion, Synchro, Xyz, and Link Monster destroyed by this effect.

Spellcaster LIGHT Effect Monster 11 effect