When this card is activated: You can add 1 "Cyberdark" monster from your Deck to your hand, with a different name from the cards in your GY. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 "Cyberdark" monster. You can only use the previous effect of "Cyberdark Realm" once per turn. If you equip a monster from your GY by the effect of a "Cyberdark" monster that activated when it was Normal or Special Summoned, you can equip from your opponent's GY instead. You can only activate 1 "Cyberdark Realm" per turn.