Rock Hydra (3ED) from Revised Edition, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jeff A. Menges
• Card Text:
  Put X +1/+1 counters (heads) on Hydra. Each point of damage Hydra suffers kills one head unless controller spends R per head. During controller’s upkeep, new heads may be grown for RRR apiece.