Le Combo Stopper

Split second
Deal one damage to target player.
When you cast Le Combo Stopper choose one:
-Copy Le Combo Stopper for each time target
opponent has cast a spell this turn
-Copy Le Combo Stopper for each time target
permanent an opponent controls has activated
a mana ability
-Copy Le Combo Stopper for each creature that
has entered The battlefield under target
opponent's control this turn