Protective Dracosaur

Flying, Menace
As an additional cost to cast this creature, exile target nonland permanent with converted mana cost 3 or
less for as long as Protective Dracosaur is in play.
{g}, Sacrifice Protective Dracosaur: You may cast
the spell exiled with this card without paying
its mana cost. If it's a creature, it enters play with a
+1/+1 counter on it.