Infinite Indifference

Players can't win the game, and player can't
lose the game.
All spells, all permanents, all cards in graveyards,
and all cards in libraries are colorless.
Light: Damn you, Shinigami!
Ryuk: Huh?... I didn't do this...
Light: Then who did?!...
Ryuk: No idea. I'm excited to find out!