Magical Exemplar (SR08-EN011) [Structure Deck: Order of the Spellcasters]

Each time a Spell Card is activated, place 2 Spell Counter on this card when that Spell resolves. Once per turn: You can remove any number of Spell counters from this card; Special Summon 1 Spellcaster monster from your hand or GY whose Level is equal to the number of Spell Counters you removed.