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 this ability only during your upkeep.
NM-Mint - $7.10
NM-Mint Non English - $7.10
Lightly Played - $6.80
Lightly Played Non English - $6.80
Moderately Played - $6.40
Moderately Played Non English - $6.40
Heavily Played - $5.70
Heavily Played Non English - $5.70
Damaged - $4.60
Damaged Non English - $4.60