SUM #173
Viewing
Rock Hydra Price Summary
Rock Hydra Price History
Markets TCGplayer marketreference
Drag across the chart Tap or drag the chart
TCGplayer market
Card Kingdom retail
Card Kingdom buylist
Mana Pool, lowest listing
Cardmarket trend
TCGplayer change, 1 year
Low in range
High in range
Buylist spread
Markets shown
Cardmarket is quoted in euros. Its line is drawn at the dollar equivalent.
Reprints in this period
Rock Hydra price history chart, default range 3 months. currently $1.00.
Where to Buy and Sell Rock Hydra
Every market we track for SUM #173 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.
Rock Hydra in Sealed Products
Checking which sealed products hold SUM #173 nonfoil.
Loading sealed products.
Rock Hydra Printings & Prices
Rock Hydra has 9 tracked printings across 8 sets, in nonfoil finishes.
3ED #173
CED #172
30A #167
2ED #172
30A #464
CEI #172
LEB #172
LEA #171
Sell Rock Hydra: Buylist Offers
| Buyer | Printing | Finish | Cash offer | Market | Spread to market |
|---|---|---|---|---|---|
| Card Kingdom | LEA #171 | Nonfoil | |||
| Card Kingdom | 30A #464 | Nonfoil | |||
| Card Kingdom | LEB #172 | Nonfoil | |||
| Card Kingdom | 2ED #172 | Nonfoil | |||
| Card Kingdom | 30A #167 | Nonfoil | |||
| Card Kingdom | CEI #172 | Nonfoil | |||
| Card Kingdom | CED #172 | Nonfoil | |||
| Card Kingdom | 3ED #173 | Nonfoil |
Rock Hydra Rules Text & Legality
Rock Hydra
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.
Rock Hydra is legal in Legacy and Commander, and not legal in Standard, Pioneer, Modern and Pauper.
- CommanderLegal
- Duel CommanderLegal
- LegacyLegal
- OathbreakerLegal
- Penny DreadfulLegal
- PreDHLegal
- VintageLegal
- AlchemyNot legal
- BrawlNot legal
- Competitive BrawlNot legal
- Future StandardNot legal
- GladiatorNot legal
- HistoricNot legal
- ModernNot legal
- Old SchoolNot legal
- PauperNot legal
- Pauper CommanderNot legal
- PioneerNot legal
- PremodernNot legal
- StandardNot legal
- Standard BrawlNot legal
- TimelessNot legal
Rock Hydra Rulings
- Aug 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.
- Aug 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.
- Oct 4, 2004
If put onto the battlefield without casting it from your hand, X will be zero.
- Oct 4, 2004
Once on the battlefield, the X is considered to be zero when calculating its mana cost.
Reprints & Reprint Risk
Rock Hydra has been reprinted 9 times.
- Aug 5, 1993Limited Edition AlphaLEA #171
- Oct 4, 1993Limited Edition BetaLEB #172
- Dec 1, 1993Unlimited Edition2ED #172
- Dec 10, 1993Collectors' EditionCED #172
- Dec 10, 1993Intl. Collectors' EditionCEI #172
- Apr 11, 1994Revised Edition3ED #173
- Jun 21, 1994Summer Magic / EdgarSUM #173
- Nov 28, 202230th Anniversary Edition30A #167
- Nov 28, 202230th Anniversary Edition30A #464
Rock Hydra in Commander
Rock Hydra is the #27,990 most-played card on EDHREC, down 147 places over the last 30 days.
#27,990
EDHREC rank
across all Commander decks Down 147 in 30 days
across all Commander decks Down 147 in 30 days
Rock Hydra FAQ
How much is Rock Hydra worth?
Rock Hydra is worth about $1.00 for its cheapest playable printing as of Nov 8, 2026.
Is Rock Hydra legal in Commander?
Yes. Rock Hydra is legal in Commander. It is also legal in Legacy.
Has Rock Hydra been reprinted?
Yes. Rock Hydra has been reprinted 9 times, with 9 printings tracked on The Index.
Why is Rock Hydra cheap?
Rock Hydra trades at about $1.00; 9 reprints keep supply plentiful, and Commander demand is modest (#27,990 on EDHREC).
What can I play instead of Rock Hydra?
Cards that fill a similar role include Protean Hydra, Balduvian Hydra, Apocalypse Hydra.
