Ciel Bleu Mekk-Chevalier MP18-FR177

If min. 2 cards are in the same column, you can Special Summon this card (from your hand) in this 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 a number of different "Mekk-Knight" monsters (excluding "Mekk-Knight Blue Sky") from your Deck to your hand, equal to the number of cards your opponent controls in the column this card is in. You can only use this effect of "Mekk-Knight Blue Sky" once per turn.