"Dark Magician" + 1 "Chaos" or "Black Luster Soldier" Ritual Monster
If this card is Fusion Summoned: You can target 1 LIGHT or DARK monster in your GY; Special Summon it. You can Tribute 1 LIGHT and 1 DARK monster; banish all monsters your opponent controls. If this Fusion Summoned card is destroyed by battle or card effect: You can target 1 Spell in your GY; add it to your hand. You can only use each effect of "Master of Chaos" once per turn.