TYPE
Creature — Hydra

ABILITY
Rock Hydra enters 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 only during your upkeep.

POWER/TOUGHNESS
0/0

ILLUSTRATOR
Jeff A. Menges

LEGALITIES
Standard Future Historic Timeless Gladiator Pioneer Explorer Modern Legacy Pauper Vintage Penny Commander Oathbreaker Standardbrawl Brawl Alchemy Paupercommander Duel Oldschool Premodern Predh

LANGUAGES
EN

RULINGS

• 2004-10-04 If put onto the battlefield without casting it from your hand, X will be zero.
• 2004-10-04 Once on the battlefield, the X is considered to be zero when calculating its mana cost.
• 2008-08-01 If damage that would be dealt to Rock Hydra can't be prevented, you still remove a +1/+1 counter from it for each 1 damage dealt.
• 2008-08-01 You can activate the activated ability that prevents damage any time, even if no source seems likely to deal damage to you in the near future. It will prevent the next 1 damage that would be dealt this turn, even if that turns out to be much later in the turn.