While there are no other cards in the same column as this card, it can attack directly. While this card in the Extra Monster Zone does not point to any monster, it cannot be destroyed by card effects, also your opponent cannot target it with card effects. You can send 1 other card you control in the same column as this card to the GY; Special Summon 1 "Jack Knight" monster from your Deck in Defense Position. You can only use this effect of "Mekk-Knight Spectrum Supreme" once per turn.
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