Skilled Dark Magician Super Rare - Magician's Force Unlimited

Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on this card (max. 3). You can Special Summon 1 "Dark Magician" from your hand, Deck, or Graveyard in face-up Attack or Defense Position by offering this monster with 3 Spell Counters as a Tribute during your Main Phase.