If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap in your GY; Set it your field, but it cannot be activated this turn, also if this card was co-linked at activation, you can draw 1 card. You can only use this effect of "Knightmare Gryphon" once per turn. Special Summoned monsters cannot activate their effects, except linked monsters.
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