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 yourPendulum Zone. You can only use this effect of "Acrobat Magician" once per turn.

Monster Effect 

 If the activation of a Spell/Trap Card(s) 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 it in your Pendulum Zone.