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Power / Toughness:
When Balduvian Hydra comes into play, put X +1/+0 counters on it. <0>: Remove a +1/+0 counter from Balduvian Hydra to prevent 1 damage to Balduvian Hydra. <RRR>: Put a +1/+0 counter on Balduvian Hydra. Use this ability only during your upkeep.