Rock Hydra

30th Anniversary Edition (30A) #167 · Rare · Creature — Hydra

Mana cost: {X}{R}{R}

This creature enters with X +1/+1 counters on it.
For each 1 damage that would be dealt to this creature, 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 this creature this turn.
{R}{R}{R}: Put a +1/+1 counter on this creature. Activate only during your upkeep.

Power/toughness 0/0 · Illustrated by Jeff A. Menges · Released November 28, 2022 · On the Reserved List

Prices

Nonfoil price since October 10, 2026: unchanged at $14.98 USD.

Printings

  1. 30th Anniversary Edition #167 (this printing) · Rare · 2022 · $14.98 USD
  2. 30th Anniversary Edition #464 (30A) · Rare · 2022 · $76.99 USD
  3. Masters Edition IV #133 (ME4) · Rare · 2011
  4. Summer Magic / Edgar #173 (SUM) · Rare · 1994 · $1.00 USD
  5. Revised Edition #173 (3ED) · Rare · 1994 · $3.89 USD
  6. Collectors' Edition #172 (CED) · Rare · 1993 · $8.00 USD
  7. Intl. Collectors' Edition #172 (CEI) · Rare · 1993
  8. Unlimited Edition #172 (2ED) · Rare · 1993 · $45.99 USD
  9. Limited Edition Beta #172 (LEB) · Rare · 1993
  10. Limited Edition Alpha #171 (LEA) · Rare · 1993

Legality

Rulings

  1. 2004-10-04 · wotc — If put onto the battlefield without casting it from your hand, X will be zero.
  2. 2004-10-04 · wotc — Once on the battlefield, the X is considered to be zero when calculating its mana cost.
  3. 2008-08-01 · wotc — 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.
  4. 2008-08-01 · wotc — 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.

All cards in 30th Anniversary Edition (30A)