Rock Hydra [Unlimited Edition] Theros Some are filled with water

Some are filled with water

Set: Commander 2016 Type: Enchantment Rare Cost: {3}{W}{W} Whenever a creature enters the battlefield under your control

Set: Dark Ascension Promos Type: Creature — Zombie Rarity: Rare Cost: {B} Gravecrawler can't block

—Zhalfirin aphorism

Rock Hydra [Unlimited Edition] Theros Some are filled with waterSet: Unlimited Edition Type: Creature Hydra Rare Cost: {X}{R}{R} 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 this ability only during your upkeep.