Eda the Sun Magician

If this card is Normal Summoned or flipped face-up: You can Special Summon 1 Spellcaster monster with 1500 DEF from your hand or Deck in face-down Defense Position, except "Eda the Sun Magician". During your opponent's Main Phase (Quick Effect): You can change 1 face-down Spellcaster monster you control to face-up Attack or Defense Position. You can only use each effect of "Eda the Sun Magician" once per turn.