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You can only use this effect of "Knightmare Unicorn" once per turn

If this card is in your hand or GY (except during the Damage Step) (Quick Effect): You can target 1 "Icejade" monster you control

no limits, no barriers

Dark Magical Circle X SPELL Continuous When this card is activated: Look at the top 3 cards of your Deck, then you can reveal 1 of them that is "Dark Magician" or a Spell/Trap that mentions "Dark Magician", and add it to your hand, also place the remaining cards on top of your Deck in any order

Speed Duel GX: Duel Academy Box and Duelists of Shadows have been on sale for a long time, and Midterm Destruction is coming out soon

It gains this effect