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 - $15.75
Near Mint Non-English - $15.75
Lightly Played - $15.00
Lightly Played Non-English - $15.00
Moderately Played - $12.75
Moderately Played Non-English - $12.75
Heavily Played - $9.50
Heavily Played Non-English - $9.50
Damaged - $8.00
Damaged Non-English - $8.00