Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Nath of the Gilt-Leaf

  3BG

  Legendary Creature — Elf WarriorBG

  Siren of the Silent Song makes opponents discard, fueling Nath of the Gilt-Leaf's discard payoff.
• Aclazotz, Deepest Betrayal // Temple of the Dead

  3BB

  Legendary Creature — Bat God // LandB

  Siren of the Silent Song makes opponents discard, fueling Aclazotz, Deepest Betrayal's discard payoff.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Siren of the Silent Song 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 Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Waste Not

  1B

  EnchantmentB

  Siren of the Silent Song makes opponents discard, fueling Waste Not's discard payoff.
• Resistance Is Futile

  1B

  SorceryB

  Resistance Is Futile puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Return Triumphant

  1W

  SorceryW

  Return Triumphant puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Tinybones, Bauble Burglar

  1B

  Legendary Creature — Skeleton RogueB

  Siren of the Silent Song makes opponents discard, fueling Tinybones, Bauble Burglar's discard payoff.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Siren of the Silent Song 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 Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Recommission

  1W

  SorceryW

  Recommission puts Siren of the Silent Song 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 Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Persist

  1B

  SorceryB

  Persist puts Siren of the Silent Song onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Soul Exchange

  BB

  SorceryB

  Soul Exchange puts Siren of the Silent Song 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 Siren of the Silent Song'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 Siren of the Silent Song's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Fell Specter

  3B

  Creature — SpecterB

  Siren of the Silent Song makes opponents discard, fueling Fell Specter's discard payoff.
• The Haunt of Hightower

  4BB

  Legendary Creature — VampireB

  Siren of the Silent Song mills (or dredges) cards into your graveyard, and The Haunt of Hightower pays off whenever a card — or a card of the type it names — is put into a graveyard from anywhere; the more it mills, the likelier it hits.
• Liliana's Caress

  1B

  EnchantmentB

  Siren of the Silent Song makes opponents discard, fueling Liliana's Caress's discard payoff.