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Karlov WatchdogHow it works & interactions with other cards

By the ManaCount desk· 5 min read· Murders at Karlov Manor· February 9, 2024
Carte Magic Karlov Watchdog

Karlov Watchdog 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

Vigilance Permanents your opponents control can't be turned face up during your turn. Whenever you attack with three or more creatures, creatures you control get +1/+1 until end of turn.

How it works : Karlov Watchdog

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    While Karlov Watchdog is on the battlefield, opponents can't attempt to turn face-down creatures face up either by paying a disguise or morph cost or by paying the mana cost of a cloaked or manifested creature.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    It doesn't matter what happens to the creatures in response. As long as you attacked with at least three creatures, creatures you control will get +1/+1 until end of turn when Karlov Watchdog's triggered ability resolves.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Yarus, Roar of the Old Gods
+Karlov Watchdog
+Altar of Dementia
+Harmless Offering
#1

Yarus, Roar of the Old Gods + Karlov Watchdog + Altar of Dementia + Harmless Offering

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Cast Harmless Offering by paying its mana cost, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Altar of Dementia by sacrificing a face-down creature you control.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Resolve the Altar of Dementia ability.
  5. 5Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Goblin Bombardment
+Harmless Offering
#2

Yarus, Roar of the Old Gods + Karlov Watchdog + Goblin Bombardment + Harmless Offering

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Cast Harmless Offering by paying its mana cost, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Goblin Bombardment by sacrificing a face-down creature you control.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Resolve the Goblin Bombardment ability.
  5. 5Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Altar of Dementia
+Stiltzkin, Moogle Merchant
#3

Yarus, Roar of the Old Gods + Karlov Watchdog + Altar of Dementia + Stiltzkin, Moogle Merchant

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Activate Stiltzkin by paying {2} and tapping it, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Altar of Dementia by sacrificing a face-down creature you control.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Resolve the Altar of Dementia ability.
  5. 5Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Ashnod's Altar
+Harmless Offering
#4

Yarus, Roar of the Old Gods + Karlov Watchdog + Ashnod's Altar + Harmless Offering

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Cast Harmless Offering by paying its mana cost, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Ashnod's Altar by sacrificing a face-down creature you control, adding {C}{C}.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Altar of Dementia
+Bazaar Trader
#5

Yarus, Roar of the Old Gods + Karlov Watchdog + Altar of Dementia + Bazaar Trader

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Activate Bazaar Trader by tapping it, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Altar of Dementia by sacrificing a face-down creature you control.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Resolve the Altar of Dementia ability.
  5. 5Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Altar of Dementia
+Iroh, Tea Master
#6

Yarus, Roar of the Old Gods + Karlov Watchdog + Altar of Dementia + Iroh, Tea Master

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Donate Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Altar of Dementia by sacrificing a face-down creature you control.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Resolve the Altar of Dementia ability.
  5. 5Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Goblin Bombardment
+Stiltzkin, Moogle Merchant
#7

Yarus, Roar of the Old Gods + Karlov Watchdog + Goblin Bombardment + Stiltzkin, Moogle Merchant

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Activate Stiltzkin by paying {2} and tapping it, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Goblin Bombardment by sacrificing a face-down creature you control.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Resolve the Goblin Bombardment ability.
  5. 5Repeat from step 2.
Yarus, Roar of the Old Gods
+Karlov Watchdog
+Thermopod
+Harmless Offering
#8

Yarus, Roar of the Old Gods + Karlov Watchdog + Thermopod + Harmless Offering

Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggers
  1. 1Cast Harmless Offering by paying its mana cost, giving control of Karlov Watchdog to an opponent.
  2. 2During the opponent's turn, activate Thermopod by sacrificing a face-down creature you control, adding {R}.
  3. 3When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
  4. 4Repeat from step 2.
03

Legal formats

standardfuturehistorictimelessgladiatorpioneermodernlegacyvintagecommanderoathbreakerstandardbrawlbrawlcompetitivebrawlduel
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