Pendulum Effect : When a monster(s) you control is destroyed by a card effect (except during the Damage Step): You can Special Summon this card from your Pendulum Zone. You can only use this effect of "Acrobatic Magician" once per turn.
Monster Effect : If the activation of a Spell/Trap Card is negated (except during the Damage Step): You can Special Summon this card from your hand. When this card is destroyed by battle: You can place this card in your Pendulum Zone.