Confidence:StrongSolidPlausibleTentativeSpeculative

• Fiend Artisan

  B/GB/G

  Creature — NightmareBG

  Fiend Artisan is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Prime Speaker Vannifar

  2GU

  Legendary Creature — Elf Ooze WizardGU

  Prime Speaker Vannifar is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Grim Giganotosaurus

  5BG

  Creature — DinosaurBG

  Grim Giganotosaurus wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Novablast Wurm

  3GGWW

  Creature — WurmGW

  Novablast Wurm wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Viscerid Drone

  1U

  Creature — Homarid DroneU

  Viscerid Drone is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Necrotic Hex

  6B

  SorceryB

  Necrotic Hex wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• The Eternal Wanderer

  4WW

  Legendary PlaneswalkerW

  The Eternal Wanderer wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Liliana, Dreadhorde General

  4BB

  Legendary Planeswalker — LilianaB

  Liliana, Dreadhorde General wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• My Precious // Allure of Power

  31B

  Legendary Artifact — Equipment // Instant — AdventureB

  My Precious is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Grimgrin, Corpse-Born

  3UB

  Legendary Creature — Zombie WarriorBU

  Grimgrin, Corpse-Born is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Garruk Relentless // Garruk, the Veil-Cursed

  3G

  Legendary Planeswalker — Garruk // Legendary Planeswalker — GarrukBG

  Garruk Relentless is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Magus of the Disk

  2WW

  Creature — Human WizardW

  Magus of the Disk wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Cataclysm

  2WW

  SorceryW

  Cataclysm wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Zimone and Dina

  BGU

  Legendary Creature — Human DryadBGU

  Zimone and Dina is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Hidetsugu, Devouring Chaos

  3B

  Legendary Creature — Ogre DemonBR

  Hidetsugu, Devouring Chaos is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Amalia Benavides Aguirre

  WB

  Legendary Creature — Vampire ScoutBW

  Amalia Benavides Aguirre wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Nevinyrral's Disk

  4

  ArtifactC

  Nevinyrral's Disk wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Planar Collapse

  1W

  EnchantmentW

  Planar Collapse wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• The Rise of Sozin // Fire Lord Sozin

  4BB

  Enchantment — Saga // Legendary Creature — Human NobleB

  The Rise of Sozin wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Slaughter the Strong

  1WW

  SorceryW

  Slaughter the Strong wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Fain, the Broker

  2B

  Legendary Creature — Human WarlockB

  Fain, the Broker is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Prowling Pangolin

  3BB

  Creature — Pangolin BeastB

  Prowling Pangolin wipes or mass-sacrifices creatures, and Mirrormere Guardian profits when creatures die — or comes back from the wipe itself.
• Dockside Chef

  B

  Enchantment Creature — Human CitizenB

  Dockside Chef is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Extus, Oriq Overlord // Awaken the Blood Avatar

  1WBB6BR

  Legendary Creature — Human Warlock // SorceryBRW

  Extus, Oriq Overlord is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.
• Thoughtpicker Witch

  B

  Creature — Human WizardB

  Thoughtpicker Witch is a sacrifice outlet, enabling Mirrormere Guardian's death or sacrifice trigger.