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 - $5.70
Near Mint Non-English - $5.70
Lightly Played - $5.10
Lightly Played Non-English - $5.10
Played - $4.00
Played Non-English - $4.00
Heavily Played - $3.40
Heavily Played Non-English - $3.40
Damaged - $2.90
Damaged Non-English - $2.90