Mothra Shrine

{0},{t}: Create a 1/1 colorless Caterpillar token.
{1},{t}, Sacrifice a Caterpillar: Create a 2/2 colorless Pupa token.
{2},{t}, Sacrifice a Pupa: Create a 4/4 colorless Moth token with flying.
{6},{t}, Sacrifice three Moth's and Mothra Shrine: Create a 20/20 colorless Mothra token with flying, indestructible, and trample.