You can Ritual Summon this card with "Light and Darkness Ritual". Unaffected by your opponent's activated effects, unless they target this card, also Spells/Traps you control cannot be destroyed, or banished, by your opponent's card effects. You can only use each of the following effects of "Magician of Dark Chaos - Black Chaos" once per turn. If this card is Special Summoned: You can add 1 Spell from your GY to your hand. You can target 1 card your opponent controls; banish it face-down.