Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

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

  B

  SorceryB

  Unearth puts Darkstar Augur 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 Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Skeletal Vampire

  4BB

  Creature — Vampire SkeletonB

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

  3BB

  Creature — VampireB

  Both cards produce the same kind of effect (shared token subtype).
• Aclazotz, Deepest Betrayal // Temple of the Dead

  3BB

  Legendary Creature — Bat God // LandB

  Both cards produce the same kind of effect (shared token subtype).
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Darkstar Augur 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 Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Resistance Is Futile

  1B

  SorceryB

  Resistance Is Futile puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Belfry Spirit

  3WW

  Creature — SpiritW

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

  1B

  Creature — Bat ClericB

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

  1B

  Enchantment — AuraB

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

  1B

  SorceryB

  Exhume puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Return Triumphant

  1W

  SorceryW

  Return Triumphant puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Darkstar Augur 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 Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Recommission

  1W

  SorceryW

  Recommission puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Call a Surprise Witness

  1W

  SorceryW

  Call a Surprise Witness puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Persist

  1B

  SorceryB

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

  BB

  SorceryB

  Soul Exchange puts Darkstar Augur onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Darkstar Augur's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Darkstar Augur'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 Darkstar Augur's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Steampath Charger

  1R

  Creature — Lizard WarlockR

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