Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Sheoldred, Whispering One 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 Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Oriq Loremage

  2BB

  Creature — Human WarlockB

  Oriq Loremage puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

  Sefris of the Hidden Ways puts Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Buried Alive

  2B

  SorceryB

  Buried Alive puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Recurring Nightmare

  2B

  EnchantmentB

  Recurring Nightmare puts Sheoldred, Whispering One 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 Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Entomb

  B

  InstantB

  Entomb puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Cynical Loner

  1B

  Creature — Human SurvivorB

  Cynical Loner puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Animate Dead

  1B

  Enchantment — AuraB

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

  1B

  SorceryB

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

  G1B

  Sorcery // SorceryBG

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

  2B

  SorceryB

  Victimize puts Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Soul Exchange

  BB

  SorceryB

  Soul Exchange puts Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Final Parting

  3BB

  SorceryB

  Final Parting puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Ascent of the Worthy

  1WB

  Enchantment — SagaBW

  Ascent of the Worthy puts Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Sheoldred, Whispering One's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Unmarked Grave

  1B

  SorceryB

  Unmarked Grave puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Necromancy

  2B

  EnchantmentB

  Necromancy puts Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Gravebreaker Lamia

  4B

  Enchantment Creature — Snake LamiaB

  Gravebreaker Lamia puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Loyal Retainers

  2W

  Creature — Human AdvisorW

  Loyal Retainers puts Sheoldred, Whispering One onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Sheoldred, Whispering One's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Vile Entomber

  2BB

  Creature — Zombie WarlockB

  Vile Entomber puts a creature card from your library straight into your graveyard, and Sheoldred, Whispering One returns it from there — onto the battlefield or to your hand.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Sheoldred, Whispering One's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.