Dark. Spellcaster/Effect. 7. This card's name becomes "Dark Magician" while it is on the field. You can only use each of these effects of "Magician of Dark Illusion" once per turn. During your opponent's turn, if you activate a Spell/Trap Card or effect (except during the Damage Step): You can Special Summon this card from your hand. If you activate a Spell/Trap Card or effect while this card is face-up on your field (except during the Damage Step): You can target 1 "Dark Magician" in your Graveyard; Special Summon it. This effect can only be used once while this card is face-up on the field.