Mekk-Knight Orange Sunset (EXFO-EN016) - Extreme Force Unlimited

If 2 or more cards are in the same column, you can Special Summon this card (from your hand) in that column. You can only Special Summon "Mekk-Knight Orange Sunset" once per turn this way. If an opponent's card in this card's column is destroyed by battle, or leaves the field: You can Special Summon 1 "Mekk-Knight" monster from your hand.