Mekk-Knight Blue Sky (Secret Rare)

If 2 or more cards are in the same column, you can Special Summon this card (from your hand) to that column. You can only Special Summon Mekk-Knight Blue Sky once per turn this way. If this card is Normal or Special Summoned from the hand: You can add Mekk-Knight monsters with different names, except Mekk-Knight Blue Sky, from your Deck to your hand, equal to the number of your opponent's cards in this card's column. You can only use this effect of Mekk-Knight Blue Sky once per turn.