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 - $2.500
Lightly Played - $2.000
Moderately Played - $1.800
Heavily Played - $1.500
Damaged - $1.300
Near Mint Spanish - $2.500
Lightly Played Spanish - $2.000
Moderately Played Spanish - $1.800
Heavily Played Spanish - $1.500
Damaged Spanish - $1.300