Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Hollowhenge Overlord 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 Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Master of the Wild Hunt

  2GG

  Creature — Human ShamanG

  Both cards produce the same kind of effect (shared token subtype).
• Mayor of Avabruck // Howlpack Alpha

  1G

  Creature — Human Advisor Werewolf // Creature — WerewolfG

  Both cards produce the same kind of effect (shared token subtype).
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

  Sefris of the Hidden Ways puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Recurring Nightmare

  2B

  EnchantmentB

  Recurring Nightmare puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

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

  1B

  Enchantment — AuraB

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

  1B

  SorceryB

  Exhume puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Hollowhenge Overlord 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 Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Victimize

  2B

  SorceryB

  Victimize puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Persist

  1B

  SorceryB

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

  BB

  SorceryB

  Soul Exchange puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Nightpack Ambusher

  2GG

  Creature — WolfG

  Both cards produce the same kind of effect (shared token subtype).
• Ascent of the Worthy

  1WB

  Enchantment — SagaBW

  Ascent of the Worthy puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Tolsimir, Midnight's Light

  2GWW

  Legendary Creature — Elf ScoutGW

  Both cards produce the same kind of effect (shared token subtype).
• Necromancy

  2B

  EnchantmentB

  Necromancy puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Wren's Run Packmaster

  3G

  Creature — Elf WarriorG

  Both cards produce the same kind of effect (shared token subtype).
• Tolsimir, Friend to Wolves

  2GGW

  Legendary Creature — Elf ScoutGW

  Both cards produce the same kind of effect (shared token subtype).
• Arlinn, Voice of the Pack

  4GG

  Legendary Planeswalker — ArlinnG

  Both cards produce the same kind of effect (shared token subtype).
• Karai, Future of the Foot

  1WB

  Legendary Creature — Human NinjaBW

  Karai, Future of the Foot puts Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Silverfur Partisan

  2G

  Creature — Wolf WarriorG

  Both cards produce the same kind of effect (shared token subtype).
• One Last Job

  2W

  SorceryW

  One Last Job puts Hollowhenge Overlord 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 Hollowhenge Overlord onto the battlefield from a graveyard without casting it, so its mana cost is never paid.