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Rock Hydra

{X}{R}{R}

Creature — Hydra

LEBLimited Edition Beta#172rare
Reserved List
Border
black
Frame
1993
Pull rate
~1 in 60–121
Illustrator
Jeff A. Menges
Found in
Beta Starter Deck · Beta Booster Pack
Printings11
CommanderLegalModernNot legalStandardNot legal
Format legality
AlchemyNot legal
BrawlNot legal
CommanderLegal
Competitive BrawlNot legal
DuelLegal
Future StandardNot legal
GladiatorNot legal
HistoricNot legal
LegacyLegal
ModernNot legal
OathbreakerLegal
Old SchoolNot legal
PauperNot legal
Pauper CommanderNot legal
PennyLegal
PioneerNot legal
PreDHLegal
PremodernNot legal
StandardNot legal
Standard BrawlNot legal
TimelessNot legal
Tiny LeadersLegal
VintageLegal
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.
0/0

Plays as: Counter Payoff · Counter Placer · Mana Sink · X Spell

Market · per finishprices as of 2026-07-12
Nonfoil—
—
$169.98 low-$30.02 gap

Rulings

4 · latest Aug 1, 2008 · one tap opens all
  • WotCAug 1, 2008

    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.

  • WotCAug 1, 2008

    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.

  • WotCOct 4, 2004

    If put onto the battlefield without casting it from your hand, X will be zero.

  • WotCOct 4, 2004

    Once on the battlefield, the X is considered to be zero when calculating its mana cost.

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