Snowball, Gluttonous Feline

Snowball, Gluttonous Feline does not lose counters as it changes zones.

Whenever a another Cat enters the battlefield, create a food token.

Sacrificing Food tokens gives Snowball a Fat counter.

When Snowball has 20 Fat counters on it, you win the game.
{w}{2}: Create a 2/2 Cat creature token.