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Clockwork HydraHow it works & interactions with other cards

By the ManaCount desk· 4 min read· Time Spiral Remastered· March 19, 2021
Carte Magic Clockwork Hydra

Clockwork Hydra is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

This creature enters with four +1/+1 counters on it. Whenever this creature attacks or blocks, remove a +1/+1 counter from it. If you do, it deals 1 damage to any target. {T}: Put a +1/+1 counter on this creature.

How it works : Clockwork Hydra

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    If Clockwork Hydra leaves the battlefield while its trigger is on the stack, you can't remove a +1/+1 counter from it, so it won't deal damage.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    If the chosen target is an illegal target by the time Clockwork Hydra's triggered ability tries to resolve, the ability doesn't resolve. You don't remove a counter from Clockwork Hydra.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Ashnod's Altar
+Clockwork Hydra
#1

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Ashnod's Altar + Clockwork Hydra

Infinite creature ETBInfinite creature LTBInfinite colorless manaInfinite death triggers
  1. 1Activate Ashnod's Altar by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Altar of Dementia
+Clockwork Hydra
#2

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Altar of Dementia + Clockwork Hydra

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite mill
  1. 1Activate Altar of Dementia by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Resolve the Altar of Dementia ability.
  4. 4Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Phyrexian Altar
+Clockwork Hydra
#3

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Phyrexian Altar + Clockwork Hydra

Infinite creature ETBInfinite creature LTBInfinite colored manaInfinite death triggers
  1. 1Activate Phyrexian Altar by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Carrion Feeder
+Clockwork Hydra
#4

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Carrion Feeder + Clockwork Hydra

Infinite creature LTBInfinite death triggersInfinite creature sacrifice triggersInfinite +1/+1 counters on a creature
  1. 1Activate Carrion Feeder by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Resolve the Carrion Feeder ability.
  4. 4Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Bartolomé del Presidio
+Clockwork Hydra
#5

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Bartolomé del Presidio + Clockwork Hydra

Infinite creature sacrifice triggersInfinite +1/+1 counters on a creatureInfinite creature ETBInfinite creature LTB
  1. 1Activate Bartolomé del Presidio by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Resolve the Bartolomé del Presidio ability.
  4. 4Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Umbral Collar Zealot
+Clockwork Hydra
#6

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Umbral Collar Zealot + Clockwork Hydra

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggers
  1. 1Activate Umbral Collar Zealot by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Resolve the Umbral Collar Zealot ability.
  4. 4Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Viscera Seer
+Clockwork Hydra
#7

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Viscera Seer + Clockwork Hydra

Infinite creature ETBInfinite creature LTBInfinite death triggersInfinite creature sacrifice triggers
  1. 1Activate Viscera Seer by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Resolve the Viscera Seer ability.
  4. 4Repeat.
Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
+Arcbound Ravager
+Clockwork Hydra
#8

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Arcbound Ravager + Clockwork Hydra

Draw the gameInfinite +1/+1 counters on a creatureInfinite creature ETBInfinite creature LTB
  1. 1Activate Arcbound Ravager by sacrificing Clockwork Hydra.
  2. 2When Clockwork Hydra dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
  3. 3Resolve the Arcbound Ravager ability.
  4. 4Repeat.
  5. 5Kill Arcbound Ravager.
  6. 6When Arcbound Ravager dies, its persist ability triggers, returning Arcbound Ravager from your graveyard to the battlefield. It will have no counters on it due to its modular ability.
  7. 7Arcbound Ravager dies as a state-based action due to having 0 toughness
  8. 8Repeat from step 2.
03

Legal formats

modernlegacyvintagepennycommanderoathbreakerduelpredh
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Meta decks with Clockwork Hydra

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