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 - $1,576.20
Near Mint Non-English - $1,576.20
Lightly Played - $1,418.60
Lightly Played Non-English - $1,418.60
Played - $1,103.30
Played Non-English - $1,103.30
Heavily Played - $945.70
Heavily Played Non-English - $945.70
Damaged - $788.10
Damaged Non-English - $788.10