Unlikely Confrontation

Whenever you cast an instant or sorcory spell, put a Wizard counter on this card. Remove 5 Wizard counters from this card, put a 4/4 Wizard creature with Hexproof onto the battlefield. Whenever you cast a creature spell, put a Dragon counter on this card. Remove 5 Dragon counters from this card, put a 4/4 Dragon creature with Flying onto the battlefield.