Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Sinister Concierge onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Sinister Concierge onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Sinister Concierge onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Sinister Concierge onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Teysa Karlov

  2WB

  Legendary Creature — Human AdvisorBW

  Teysa Karlov makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Harmonic Prodigy

  1R

  Creature — Human WizardR

  Harmonic Prodigy makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Drivnod, Carnage Dominus

  3BB

  Legendary Creature — Phyrexian HorrorB

  Drivnod, Carnage Dominus makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• The Masamune

  3

  Legendary Artifact — EquipmentC

  The Masamune makes Sinister Concierge's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Novablast Wurm

  3GGWW

  Creature — WurmGW

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

  5BG

  Creature — DinosaurBG

  Grim Giganotosaurus wipes or mass-sacrifices creatures, and Sinister Concierge profits when creatures die — or comes back from the wipe itself.
• Bolas's Citadel

  3BBB

  Legendary ArtifactB

  Bolas's Citadel is a sacrifice outlet, enabling Sinister Concierge's death or sacrifice trigger.
• Necrotic Hex

  6B

  SorceryB

  Necrotic Hex wipes or mass-sacrifices creatures, and Sinister Concierge 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 Sinister Concierge's death or sacrifice trigger.
• Grimgrin, Corpse-Born

  3UB

  Legendary Creature — Zombie WarriorBU

  Grimgrin, Corpse-Born is a sacrifice outlet, enabling Sinister Concierge's death or sacrifice trigger.
• Cataclysm

  2WW

  SorceryW

  Cataclysm wipes or mass-sacrifices creatures, and Sinister Concierge profits when creatures die — or comes back from the wipe itself.
• Fiend Artisan

  B/GB/G

  Creature — NightmareBG

  Fiend Artisan is a sacrifice outlet, enabling Sinister Concierge's death or sacrifice trigger.
• Ob Nixilis of the Black Oath

  3BB

  Legendary Planeswalker — NixilisB

  Ob Nixilis of the Black Oath is a sacrifice outlet, enabling Sinister Concierge's death or sacrifice trigger.
• Zimone and Dina

  BGU

  Legendary Creature — Human DryadBGU

  Zimone and Dina is a sacrifice outlet, enabling Sinister Concierge's death or sacrifice trigger.
• The Eternal Wanderer

  4WW

  Legendary PlaneswalkerW

  The Eternal Wanderer wipes or mass-sacrifices creatures, and Sinister Concierge profits when creatures die — or comes back from the wipe itself.
• Magus of the Disk

  2WW

  Creature — Human WizardW

  Magus of the Disk wipes or mass-sacrifices creatures, and Sinister Concierge profits when creatures die — or comes back from the wipe itself.
• The Night of the Doctor

  4WW

  Enchantment — SagaW

  The Night of the Doctor wipes or mass-sacrifices creatures, and Sinister Concierge profits when creatures die — or comes back from the wipe itself.