Masters Edition II

Balduvian Hydra

Balduvian Hydra comes into play with X +1/+0 counters on it.
Remove a +1/+0 counter from Balduvian Hydra: Prevent the next 1 damage that would be dealt to Balduvian Hydra this turn.
{R}{R}{R}: Put a +1/+0 counter on Balduvian Hydra. Play this ability only during your upkeep.

Balduvian Hydra enters with X +1/+0 counters on it.
Remove a +1/+0 counter from Balduvian Hydra: Prevent the next 1 damage that would be dealt to Balduvian Hydra this turn.
{R}{R}{R}: Put a +1/+0 counter on Balduvian Hydra. Activate only during your upkeep.

Ice Age

When Balduvian Hydra comes into play, put X +1/+0 counters on it.
o0: Remove a +1/+0 counter from Balduvian Hydra to prevent 1 damage to Balduvian Hydra.
o
Ro
Ro
R: Put a +1/+0 counter on Balduvian Hydra. Use this ability only during your upkeep.