Confidence:StrongSolidPlausibleTentativeSpeculative

• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Arcbound Fiend'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 Arcbound Fiend'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 Arcbound Fiend's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Echoes of Eternity

  3CCC

  Kindred Enchantment — EldraziC

  Echoes of Eternity makes Arcbound Fiend'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 Arcbound Fiend's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Reanimate

  B

  SorceryB

  Reanimate puts Arcbound Fiend 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 Arcbound Fiend 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 Arcbound Fiend's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Gandalf the White

  3WW

  Legendary Creature — Avatar WizardW

  Gandalf the White makes Arcbound Fiend's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Dance of the Dead

  1B

  Enchantment — AuraB

  Dance of the Dead puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Drivnod, Carnage Dominus

  3BB

  Legendary Creature — Phyrexian HorrorB

  Drivnod, Carnage Dominus makes Arcbound Fiend's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Persist

  1B

  SorceryB

  Persist puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Soul Exchange

  BB

  SorceryB

  Soul Exchange puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Rat King, Verminister

  1B

  Legendary Creature — Rat AvatarB

  Rat King, Verminister puts Arcbound Fiend onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• The Masamune

  3

  Legendary Artifact — EquipmentC

  The Masamune makes Arcbound Fiend'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 Arcbound Fiend profits when creatures die — or comes back from the wipe itself.
• Grim Giganotosaurus

  5BG

  Creature — DinosaurBG

  Grim Giganotosaurus wipes or mass-sacrifices creatures, and Arcbound Fiend 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 Arcbound Fiend's death or sacrifice trigger.
• Necrotic Hex

  6B

  SorceryB

  Necrotic Hex wipes or mass-sacrifices creatures, and Arcbound Fiend 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 Arcbound Fiend's death or sacrifice trigger.
• Daretti, Ingenious Iconoclast

  1BR

  Legendary Planeswalker — DarettiBR

  Daretti, Ingenious Iconoclast is a sacrifice outlet, enabling Arcbound Fiend's death or sacrifice trigger.