Genocide Punisher!! (Secret R Foil) (X-BT02A-SS02/0038EN) (X-BT02A)

You may only cast this card if both players have no monsters on the center.
[Cast Cost] [Pay 2 gauge]
Choose and use one of the following two.
• If your opponent has 3 or less life, deal 3 damage to your opponent!
• [Counter] "Counter Final!" You may only use this when your opponent casts an impact. Deal damage to your opponent equal to the number of different cards with "Purgatory Knights" in their card names in your drop zone!!