Formats
Rules formats and their legal card sets
Imperial
Jade
Jade Open
Jade Extended
Gold
Diamond
Lotus
Samurai
Celestial
Emperor
Emperor Extended
Ivory
Ivory/20F Extended
Twenty Festivals
Onyx
Onyx/20F Extended
Shattered Empire
ShE/Onyx Extended
Modern
50 card decks / 1 copy of each card
Eternal
Yoriagami's Eternal Format