You can send 1 Spellcaster monster or 1 SpellTrap that mentions Dark Magician from your hand or faceup field to the GY Special Summon this card from your hand During your Main Phase You can Fusion Summon 1 Fusion Monster from your Extra Deck using monsters from your hand or field as material including a Spellcaster monster You can only use each effect of Timaeus the United Dragon once per turn
