Bolt Tanner's Decks

Ground
Tanner uses a Beatdown Deck, focusing on the otherwise-mundane card "Ushi Oni". With "Cost Down", he can bring out "Ushi Oni" in one turn, and on the next he can Tribute it for his ace card, "Giant Ushi Oni".

Manga
Tanner plays a "Machina" Deck, focused on Summoning "Machina Cannon".