Confidence:StrongSolidPlausibleTentativeSpeculative

• Hazel of the Rootbloom

  2BG

  Legendary Creature — Squirrel DruidBG

  Murkfiend Liege untaps all (or many) permanents, refreshing Hazel of the Rootbloom's tap activation.
• Reanimate

  B

  SorceryB

  Reanimate puts Murkfiend Liege 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 Murkfiend Liege onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Gaze of Justice

  W

  SorceryW

  Murkfiend Liege untaps all (or many) permanents, refreshing Gaze of Justice's tap activation.
• Great Divide Guide

  1G

  Creature — Human Scout AllyG

  Murkfiend Liege untaps all (or many) permanents, refreshing Great Divide Guide's tap activation.
• Eladamri, Korvecdal

  1GG

  Legendary Creature — Elf WarriorG

  Murkfiend Liege untaps all (or many) permanents, refreshing Eladamri, Korvecdal's tap activation.
• Invasion of New Phyrexia // Teferi Akosa of Zhalfir

  XWU

  Battle — Siege // Legendary Planeswalker — TeferiUW

  Murkfiend Liege untaps all (or many) permanents, refreshing Invasion of New Phyrexia's tap activation.
• The Legend of Kuruk // Avatar Kuruk

  2UU

  Enchantment — Saga // Legendary Creature — AvatarU

  Murkfiend Liege untaps all (or many) permanents, refreshing The Legend of Kuruk's tap activation.
• Grand Architect

  1UU

  Creature — Vedalken ArtificerU

  Murkfiend Liege untaps all (or many) permanents, refreshing Grand Architect's tap activation.
• Baylen, the Haymaker

  RGW

  Legendary Creature — Rabbit WarriorGRW

  Murkfiend Liege untaps all (or many) permanents, refreshing Baylen, the Haymaker's tap activation.
• Harmonized Trio // Brainstorm

  UU

  Creature — Merfolk Bard Wizard // InstantU

  Murkfiend Liege untaps all (or many) permanents, refreshing Harmonized Trio's tap activation.
• Nature's Chosen

  G

  Enchantment — AuraG

  Murkfiend Liege untaps all (or many) permanents, refreshing Nature's Chosen's tap activation.
• U.S.S. Voyager, Lone Wanderer

  3G

  Legendary Artifact — SpacecraftG

  Murkfiend Liege untaps all (or many) permanents, refreshing U.S.S. Voyager, Lone Wanderer's tap activation.
• Careful Cultivation

  2G

  Enchantment — AuraG

  Murkfiend Liege untaps all (or many) permanents, refreshing Careful Cultivation's tap activation.
• Honor-Worn Shaku

  3

  ArtifactC

  Murkfiend Liege untaps all (or many) permanents, refreshing Honor-Worn Shaku's tap activation.
• Wanderbrine Trapper

  W

  Creature — Merfolk ScoutW

  Murkfiend Liege untaps all (or many) permanents, refreshing Wanderbrine Trapper's tap activation.
• Warden of the Inner Sky

  W

  Creature — Human SoldierW

  Murkfiend Liege untaps all (or many) permanents, refreshing Warden of the Inner Sky's tap activation.
• Kirol, Attentive First-Year

  1R/WR/W

  Legendary Creature — Vampire ClericRW

  Murkfiend Liege untaps all (or many) permanents, refreshing Kirol, Attentive First-Year's tap activation.
• Starship Enterprise

  5

  Legendary Artifact — SpacecraftC

  Murkfiend Liege untaps all (or many) permanents, refreshing Starship Enterprise's tap activation.
• Halo Fountain

  2W

  ArtifactW

  Murkfiend Liege untaps all (or many) permanents, refreshing Halo Fountain's tap activation.
• Jaheira, Friend of the Forest

  2G

  Legendary Creature — Human Elf DruidG

  Murkfiend Liege untaps all (or many) permanents, refreshing Jaheira, Friend of the Forest's tap activation.
• Swallow Whole

  W

  SorceryW

  Murkfiend Liege untaps all (or many) permanents, refreshing Swallow Whole's tap activation.
• Tamiyo, Compleated Sage

  2GG/U/PU

  Legendary Planeswalker — TamiyoGU

  Murkfiend Liege untaps all (or many) permanents, refreshing Tamiyo, Compleated Sage's tap activation.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Murkfiend Liege's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Bigger on the Inside

  3RG

  Enchantment — AuraGR

  Murkfiend Liege untaps all (or many) permanents, refreshing Bigger on the Inside's tap activation.