Smoldering Egg
Defender
Whenever you cast an instant or sorcery spell, put a number of ember counters on Smoldering Egg equal to the amount of mana spent to cast that spell. Then if Smoldering Egg has seven or more ember counters on it, remove them and transform Smoldering Egg.
Ashmouth Dragon
Flying
Whenever you cast an instant or sorcery spell, Ashmouth Dragon deals 2 damage to any target.