You can only use the (1) effect of “Dark Magician of Chaos” once per turn. (1) During the End Phase, if this card was Normal or Special Summoned this turn: You can target 1 Spell Card in your Graveyard; add it to your hand. (2) At the end of the Damage Calculations, if this card destroyed an opponent’s monster by battle: Banish that monster. (3) If this card would leave the feild, banish it instead.