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.
Near Mint - $1.00
Lightly Played - $0.80
Moderately Played - $0.70
Heavily Played - $0.60
Damaged - $0.50
Near Mint Spanish - $1.00
Lightly Played Spanish - $0.80
Moderately Played Spanish - $0.70
Heavily Played Spanish - $0.60
Damaged Spanish - $0.50