Merlon, the Magician

+1: The next instant or sorcery spell you cast, costs X less to cast, where X is the number of +1/+1 counters on Merlon, the Magician.
0: Transform Merlon, the Magician. Use this ability only if Merlon wasn't a creature this turn.
-4: You get an emblem with "Whenever you cast an instant or sorcery spell, scry X, where X is that spell's converted mana cost. Then draw a card."