Roc Hatchling enters the battlefield with four shell counters on it. At the beginning of your upkeep, remove a shell counter from Roc Hatchling. As long as Roc Hatchling has no shell counters on it, it gets +3/+2 and has flying.
Near Mint - $0.10
Lightly Played - $0.10
Moderately Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
Near Mint Spanish - $0.10
Lightly Played Spanish - $0.10
Moderately Played Spanish - $0.10
Heavily Played Spanish - $0.10
Damaged Spanish - $0.10