Zweihunter, Mechanized Round Table Destroyer (D3 Buy a Box) [Promo Cards]

[Villains] [Flying] You may pay 1 less to play this card for each different name among Machines you own revealed outside the game. You may play this card from outside the game as long as it is revealed by paying B7 rather than paying its cost. [Revolution] [Enter] >>> Put all non-magic stone, non-J-ruler entities your opponent controls on the bottom of their owners' decks in any order.