Rock Hydra enters the battlefield with X +1/+1 counters on it. For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage. {R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn. {R}{R}{R}: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.
NM-Mint - $48.20
Lightly Played - $43.40
Moderately Played - $38.50
Heavily Played - $33.70
Damaged - $24.10
NM-Mint Non English - $48.20
Lightly Played Non English - $43.40
Moderately Played Non English - $38.50
Heavily Played Non English - $33.70
Damaged Non English - $24.10