Endymion, The Master Magician (SDSC-EN001) - Structure Deck: Spellcaster's Command Unlimited

You can Special Summon this card from your hand or Graveyard by removing 6 Spell Counters from a "Magical Citadel of Endymion" you control. When you do, add 1 Spell Card from your Graveyard to your hand. Once per turn, you can discard 1 Spell Card to destroy 1 card on the field.