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 only during your upkeep.
Near Mint - $39.60
Lightly Played - $31.70
Moderately Played - $27.80
Heavily Played - $23.80
Damaged - $19.80
Near Mint Spanish - $39.60
Lightly Played Spanish - $31.70
Moderately Played Spanish - $27.80
Heavily Played Spanish - $23.80
Damaged Spanish - $19.80