Confidence:StrongSolidPlausibleTentativeSpeculative

• Bloodline Recollector // Ancestral Craving

  1BB

  Creature — Vampire Warlock // InstantB

  Darkheart Sliver is a sacrifice outlet, enabling Bloodline Recollector's death or sacrifice trigger.
• Private Research

  U

  Enchantment — AuraU

  Darkheart Sliver is a sacrifice outlet, enabling Private Research's death or sacrifice trigger.
• Shaile, Dean of Radiance // Embrose, Dean of Shadow

  1W2BB

  Legendary Creature — Bird Cleric // Legendary Creature — Human WarlockBW

  Darkheart Sliver is a sacrifice outlet, enabling Shaile, Dean of Radiance's death or sacrifice trigger.
• The Serpent Society

  1BG

  Legendary Creature — Human Snake VillainBG

  Darkheart Sliver is a sacrifice outlet, enabling The Serpent Society's death or sacrifice trigger.
• Quest for the Gravelord

  B

  EnchantmentB

  Darkheart Sliver is a sacrifice outlet, enabling Quest for the Gravelord's death or sacrifice trigger.
• Bequeathal

  G

  Enchantment — AuraG

  Darkheart Sliver is a sacrifice outlet, enabling Bequeathal's death or sacrifice trigger.
• Syr Vondam, Sunstar Exemplar

  WB

  Legendary Creature — Human KnightBW

  Darkheart Sliver is a sacrifice outlet, enabling Syr Vondam, Sunstar Exemplar's death or sacrifice trigger.
• Rampart Architect

  3G

  Creature — Elephant AdvisorG

  Darkheart Sliver is a sacrifice outlet, enabling Rampart Architect's death or sacrifice trigger.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Darkheart Sliver onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Darkheart Sliver 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

  Darkheart Sliver is a sacrifice outlet, enabling Lagomos, Hand of Hatred's death or sacrifice trigger.
• Enduring Renewal

  2WW

  EnchantmentW

  Darkheart Sliver is a sacrifice outlet, enabling Enduring Renewal's death or sacrifice trigger.
• Eater of Virtue

  1

  Legendary Artifact — EquipmentC

  Darkheart Sliver is a sacrifice outlet, enabling Eater of Virtue's death or sacrifice trigger.
• Illicit Masquerade

  3B

  EnchantmentB

  Darkheart Sliver is a sacrifice outlet, enabling Illicit Masquerade's death or sacrifice trigger.
• Liliana, Dreadhorde General

  4BB

  Legendary Planeswalker — LilianaB

  Darkheart Sliver is a sacrifice outlet, enabling Liliana, Dreadhorde General's death or sacrifice trigger.
• Skullclamp

  1

  Artifact — EquipmentC

  Darkheart Sliver is a sacrifice outlet, enabling Skullclamp's death or sacrifice trigger.
• Avatar Kyoshi, Earthbender

  5GGG

  Legendary Creature — Human AvatarG

  Darkheart Sliver is a sacrifice outlet, enabling Avatar Kyoshi, Earthbender's death or sacrifice trigger.
• Malicious Affliction

  BB

  InstantB

  Darkheart Sliver is a sacrifice outlet, enabling Malicious Affliction's death or sacrifice trigger.
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

  Darkheart Sliver is a sacrifice outlet, enabling Sefris of the Hidden Ways's death or sacrifice trigger.
• Athreos, God of Passage

  1WB

  Legendary Enchantment Creature — GodBW

  Darkheart Sliver is a sacrifice outlet, enabling Athreos, God of Passage's death or sacrifice trigger.
• Emeritus of Woe // Demonic Tutor

  3B1B

  Creature — Vampire Warlock // SorceryB

  Darkheart Sliver is a sacrifice outlet, enabling Emeritus of Woe's death or sacrifice trigger.
• Magik, Illyana Rasputin // Darkchild, Demon Uncaged

  1BR3BR

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

  Darkheart Sliver is a sacrifice outlet, enabling Magik, Illyana Rasputin's death or sacrifice trigger.
• Kaya's Ghostform

  B

  Enchantment — AuraB

  Darkheart Sliver is a sacrifice outlet, enabling Kaya's Ghostform's death or sacrifice trigger.
• Ob Nixilis, Unshackled

  4BB

  Legendary Creature — DemonB

  Darkheart Sliver is a sacrifice outlet, enabling Ob Nixilis, Unshackled's death or sacrifice trigger.
• Dennick, Pious Apprentice // Dennick, Pious Apparition

  WU

  Legendary Creature — Human Soldier // Legendary Creature — Spirit SoldierUW

  Darkheart Sliver is a sacrifice outlet, enabling Dennick, Pious Apprentice's death or sacrifice trigger.