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Rock Hydra

Card details, tags, similarity scores, and printings.

Rock Hydra

Creature — 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. : Prevent the next 1 damage that would be dealt to this creature this turn. : Put a +1/+1 counter on this creature. Activate only during your upkeep.

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Commander: LegalModern: Not legal

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Tags and classifications

Card attributes are distinct from inferred themes. AI themes and predicted tags are suggestions, not rules text; check the card before relying on a surprising classification.

Ability tags

Activated

Mana costs

× 2

Creature kinds

Hydra

Color identity

R

Mana value

Mana value 2

Theme tags

+1/+1 Counters

Timing tags

Timing Sorcery

Type tags

Creature

Similar cards

Showing 1–24 of 34,604 candidates

These rankings describe text and metadata resemblance, not synergy, win rates, or claims that a card counters yours.

Balduvian Hydra

Score 0.946unitless formula ranking

Creature — Hydra · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Hydra · Same color identity · Matching mana cost

Score details
Text (embedding)
0.977
Tags and themes
0.800
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedCreatureHydraTiming Sorcery

Molten Hydra

Score 0.893unitless formula ranking

Creature — Hydra · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Hydra · Same color identity

Score details
Text (embedding)
0.951
Tags and themes
0.800
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureHydraTiming Sorcery

Apocalypse Hydra

Score 0.828unitless formula ranking

Creature — Hydra · Mana cost: · Color identity: RG

Shared traits: +1/+1 Counters, Creature, Hydra

Score details
Text (embedding)
0.950
Tags and themes
0.667
Color identity
0.500
Mana cost
0.750

Shared tags

+1/+1 CountersCreatureHydraTiming Sorcery

Spitting Hydra

Score 0.814unitless formula ranking

Creature — Hydra · Mana cost: · Color identity: R

Shared traits: Creature, Hydra, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.961
Tags and themes
0.500
Color identity
1.000
Mana cost
0.375

Shared tags

CreatureHydraTiming Sorcery

Pygmy Pyrosaur

Score 0.797unitless formula ranking

Creature — Lizard · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.891
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Cinder Crawler

Score 0.796unitless formula ranking

Creature — Salamander · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.890
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Goblin Sappers

Score 0.796unitless formula ranking

Creature — Goblin · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.889
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Torrent of Lava

Score 0.793unitless formula ranking

Sorcery · Mana cost: · Color identity: R

Shared traits: Activated, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.877
Tags and themes
0.333
Color identity
1.000
Mana cost
1.000

Shared tags

ActivatedTiming Sorcery

Lightning Mare

Score 0.792unitless formula ranking

Creature — Elemental Horse · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.872
Tags and themes
0.429
Color identity
1.000
Mana cost
0.833

Shared tags

ActivatedCreatureTiming Sorcery

Dwarven Lieutenant

Score 0.790unitless formula ranking

Creature — Dwarf Soldier · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.868
Tags and themes
0.429
Color identity
1.000
Mana cost
0.833

Shared tags

ActivatedCreatureTiming Sorcery

Keeper of the Flame

Score 0.789unitless formula ranking

Creature — Human Wizard · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.867
Tags and themes
0.429
Color identity
1.000
Mana cost
0.833

Shared tags

ActivatedCreatureTiming Sorcery

Pyric Salamander

Score 0.789unitless formula ranking

Creature — Salamander · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.877
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Igneous Cur

Score 0.788unitless formula ranking

Creature — Elemental Dog · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.900
Tags and themes
0.429
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Dwarven Miner

Score 0.788unitless formula ranking

Creature — Dwarf · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.876
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Sparksmith

Score 0.788unitless formula ranking

Creature — Goblin · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.876
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Magma Pummeler

Score 0.787unitless formula ranking

Creature — Elemental · Mana cost: · Color identity: R

Shared traits: Creature, Timing Sorcery · Same color identity · Matching mana cost

Score details
Text (embedding)
0.884
Tags and themes
0.286
Color identity
1.000
Mana cost
1.000

Shared tags

CreatureTiming Sorcery

Ashling the Pilgrim

Score 0.787unitless formula ranking

Legendary Creature — Elemental Shaman · Mana cost: · Color identity: R

Shared traits: +1/+1 Counters, Activated, Creature · Same color identity

Score details
Text (embedding)
0.851
Tags and themes
0.571
Color identity
1.000
Mana cost
0.625

Shared tags

+1/+1 CountersActivatedCreatureTiming Sorcery

Scalding Devil

Score 0.787unitless formula ranking

Creature — Devil · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.898
Tags and themes
0.429
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Pyre Charger

Score 0.786unitless formula ranking

Creature — Elemental Warrior · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.880
Tags and themes
0.375
Color identity
1.000
Mana cost
0.833

Shared tags

ActivatedCreatureTiming Sorcery

Slith Firewalker

Score 0.786unitless formula ranking

Creature — Slith · Mana cost: · Color identity: R

Shared traits: +1/+1 Counters, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.894
Tags and themes
0.333
Color identity
1.000
Mana cost
0.833

Shared tags

+1/+1 CountersCreatureTiming Sorcery

Incendiary Oracle

Score 0.784unitless formula ranking

Creature — Human Shaman · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.893
Tags and themes
0.429
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Runebound Wolf

Score 0.784unitless formula ranking

Creature — Wolf · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.869
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery

Spitfire Handler

Score 0.784unitless formula ranking

Creature — Goblin · Mana cost: · Color identity: R

Shared traits: Activated, Creature, Timing Sorcery · Same color identity

Score details
Text (embedding)
0.869
Tags and themes
0.500
Color identity
1.000
Mana cost
0.625

Shared tags

ActivatedCreatureTiming Sorcery
How ranking works

Balanced: 0.60*text + 0.20*tags + 0.10*color + 0.10*cost. Outputs are unitless rankings, not percentages or probabilities. Most similar shows the highest scores; Typical overlap is nearest the catalog median (0.583); Least similar shows the lowest scores.

Text uses cosine resemblance (−1 to 1) between 384-number embeddings when available, or lexical fallback otherwise. Tags use Jaccard overlap of approved tags and AI themes, excluding predicted tags and separately scored color/cost tags. Color compares W/U/B/R/G identity. Mana cost combines mana-value proximity, 1 / (1 + the difference), with mana-symbol overlap. Tags, color, and cost range from 0 to 1.

Model: bge-small-en-v1.5. 34,605 of 34,605 catalog cards currently have embeddings.

Potential relationships

1,031 of 34,605 canonical cards have AI-derived resource labels. Label model: gpt-5.6-luna.

This card is missing AI-derived resource labels, so potential synergies and answers are unavailable. No text or predicted-tag inference is used.

About relationship labels

These labels are AI-derived resource matches, not reviewed or rules-validated interactions. Check deck legality, color identity, costs, timing, restrictions, and the cards themselves.

Printings
SetLanguageCollectorReleasedRarityPrice
30th Anniversary Editionen1672022-11-28rare—
30th Anniversary Editionen4642022-11-28rare$76.99
Masters Edition IVen1332011-01-10rare—
Summer Magic / Edgaren1731994-06-21rare$1.00
Foreign Black Borderfr1731994-04-11rare—
Foreign Black Borderde1731994-04-11rare—
Revised Editionde1731994-04-11rare—
Foreign Black Borderit1731994-04-11rare—
Revised Editionit1731994-04-11rare—
Revised Editionfr1731994-04-11rare—
Revised Editionen1731994-04-11rare$3.57
Intl. Collectors' Editionen1721993-12-10rare—
Collectors' Editionen1721993-12-10rare$8.00
Unlimited Editionen1721993-12-01rare$45.99
Limited Edition Betaen1721993-10-04rare—
Limited Edition Alphaen1711993-08-05rare—