Knightmare Cerberus

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2 monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 Special Summoned monster in your opponent's Main Monster Zone; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Cerberus" once per turn. Co-linked monsters you control cannot be destroyed by card effects.