Chaotic Goo enters the battlefield with three +1/+1 counters on it. At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1/+1 counter on Chaotic Goo. If you lose the flip, remove a +1/+1 counter from Chaotic Goo.
Near Mint - $2.80
Lightly Played - $2.50
Played - $1.90
Heavily Played - $1.70
Damaged - $1.40
Near Mint Non-English - $2.80
Lightly Played Non-English - $2.50
Played Non-English - $1.90
Heavily Played Non-English - $1.70
Damaged Non-English - $1.40