The Circus is in Town!

At the beginning of your upkeep, choose a token
that hasn't been chosen from a 2/1 white Cat
creature token with vigilance, a 1/1 blue Bird
creature token with flying, a 1/2 black Human
Clown creature token with deathtouch, a 2/2
red Elephant creature token with haste, a 2/2
green Bear creature token with hexproof. Create
that token. If all tokens have already been created
this way, sacrifice The Circus is in Town!, then
create 1 of each of the aforementioned creature
tokens.