Target 1 Fusion, Synchro, Xyz, or Link Monster Card you control; return it to the Extra Deck, then you can Special Summon 1 "Magistus" monster of the same type (Fusion, Synchro, Xyz, Link) from your Extra Deck. During your Main Phase: You can banish this card from your GY, then target 1 Xyz Monster you control; attach 1 "Magistus" monster from your Deck to it. You can only use each effect of "Dunamis Magistus" once per turn.