Chaotic Goo enters 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.
NM-Mint - $2.70
Lightly Played - $2.60
Moderately Played - $2.40
Heavily Played - $2.20
Damaged - $1.80
NM-Mint Non English - $2.70
Lightly Played Non English - $2.60
Moderately Played Non English - $2.40
Heavily Played Non English - $2.20
Damaged Non English - $1.80