Confidence:StrongSolidPlausibleTentativeSpeculative

• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Chittering Harvester'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 Chittering Harvester'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 Chittering Harvester's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Bloodline Recollector // Ancestral Craving

  1BB

  Creature — Vampire Warlock // InstantB

  Chittering Harvester wipes or mass-sacrifices creatures, and Bloodline Recollector profits when creatures die — or comes back from the wipe itself.
• Chevill, Bane of Monsters

  BG

  Legendary Creature — Human RogueBG

  Chittering Harvester wipes or mass-sacrifices creatures, and Chevill, Bane of Monsters profits when creatures die — or comes back from the wipe itself.
• Reanimate

  B

  SorceryB

  Reanimate puts Chittering Harvester 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 Chittering Harvester onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Lagomos, Hand of Hatred

  1BR

  Legendary Creature — Human ShamanBR

  Chittering Harvester wipes or mass-sacrifices creatures, and Lagomos, Hand of Hatred profits when creatures die — or comes back from the wipe itself.
• Eater of Virtue

  1

  Legendary Artifact — EquipmentC

  Chittering Harvester wipes or mass-sacrifices creatures, and Eater of Virtue profits when creatures die — or comes back from the wipe itself.
• Malicious Affliction

  BB

  InstantB

  Chittering Harvester wipes or mass-sacrifices creatures, and Malicious Affliction profits when creatures die — or comes back from the wipe itself.
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

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

  2B

  EnchantmentB

  Recurring Nightmare puts Chittering Harvester onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Emeritus of Woe // Demonic Tutor

  3B1B

  Creature — Vampire Warlock // SorceryB

  Chittering Harvester wipes or mass-sacrifices creatures, and Emeritus of Woe profits when creatures die — or comes back from the wipe itself.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Chittering Harvester onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Magik, Illyana Rasputin // Darkchild, Demon Uncaged

  1BR3BR

  Legendary Creature — Mutant Sorcerer Hero // Legendary Creature — Mutant Demon SorcererBR

  Chittering Harvester wipes or mass-sacrifices creatures, and Magik, Illyana Rasputin profits when creatures die — or comes back from the wipe itself.
• Kaya's Ghostform

  B

  Enchantment — AuraB

  Chittering Harvester wipes or mass-sacrifices creatures, and Kaya's Ghostform profits when creatures die — or comes back from the wipe itself.
• Barrensteppe Siege

  2WB

  EnchantmentBW

  Chittering Harvester wipes or mass-sacrifices creatures, and Barrensteppe Siege profits when creatures die — or comes back from the wipe itself.
• Animate Dead

  1B

  Enchantment — AuraB

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

  1B

  SorceryB

  Exhume puts Chittering Harvester onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Sméagol, Helpful Guide

  1BG

  Legendary Creature — Halfling HorrorBG

  Chittering Harvester wipes or mass-sacrifices creatures, and Sméagol, Helpful Guide profits when creatures die — or comes back from the wipe itself.
• Tallyman of Nurgle

  2B

  Creature — Astartes WarriorB

  Chittering Harvester wipes or mass-sacrifices creatures, and Tallyman of Nurgle profits when creatures die — or comes back from the wipe itself.
• Life // Death

  G1B

  Sorcery // SorceryBG

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

  2B

  SorceryB

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

  1B

  SorceryB

  Persist puts Chittering Harvester onto the battlefield from a graveyard without casting it, so its mana cost is never paid.