Card Text:
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.
oRoRoR: Put a +1/+0 counter on Balduvian Hydra. Use this ability only during your upkeep.