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.
Near Mint - $7.75
Near Mint Non-English - $7.75
Lightly Played - $7.50
Lightly Played Non-English - $7.50
Moderately Played - $6.25
Moderately Played Non-English - $6.25
Heavily Played - $4.75
Heavily Played Non-English - $4.75
Damaged - $4.00
Damaged Non-English - $4.00