Countermage Adept

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
When Countermage Adept enters the battlefield, choose a converted mana cost.
Sacrifice Countermage Adept: Counter target spell. If it had chosen converted mana cost, the next time a creature enters the battlefield this turn, remove all counters from it.