Confidence:StrongSolidPlausibleTentativeSpeculative

• Season of Growth

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Sheoldred, Whispering One

  5BB

  Legendary Creature — Phyrexian PraetorB

  Sheoldred, Whispering One returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Springheart Nantuko creates token copies, feeding Sylvia Brightspear's ETB or copy payoff.
• The Soul Stone

  1B

  Legendary Artifact — Infinity StoneB

  The Soul Stone returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Spreading Plague

  4B

  EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Glyph of Reincarnation

  G

  InstantG

  Glyph of Reincarnation returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Virtue of Persistence // Locthwain Scorn

  5BB1B

  Enchantment // Sorcery — AdventureB

  Virtue of Persistence returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Faramir, Steward of Gondor

  1WU

  Legendary Creature — Human NobleUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Asmodeus the Archfiend

  4BB

  Legendary Creature — Devil GodB

  Asmodeus the Archfiend bounces a permanent, enabling Sylvia Brightspear's recast / spell-cast trigger.
• Starfall Invocation

  3WW

  SorceryW

  Starfall Invocation returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Endless Evil

  2U

  Enchantment — AuraU

  Endless Evil creates token copies, feeding Sylvia Brightspear's ETB or copy payoff.
• Zero Point Ballad

  XB

  SorceryB

  Zero Point Ballad returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Mirko, Obsessive Theorist

  1UB

  Legendary Creature — Vampire DetectiveBU

  Mirko, Obsessive Theorist returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Reanimate

  B

  SorceryB

  Reanimate returns creatures from the graveyard to the battlefield, re-firing Sylvia Brightspear's enter-the-battlefield effect.
• Eye of Singularity

  3W

  World EnchantmentW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Garruk, Curse Breaker

  3GG

  Legendary Planeswalker — GarrukG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Kadena, Slinking Sorcerer

  1BGU

  Legendary Creature — Snake Wizard SorcererBGU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Helping Hand

  W

  SorceryW

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

  B

  SorceryB

  Unearth puts Sylvia Brightspear onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grist, Voracious Larva // Grist, the Plague Swarm

  G

  Legendary Creature — Insect // Legendary Planeswalker — GristBG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Ashiok, Nightmare Muse

  3UB

  Legendary Planeswalker — AshiokBU

  Ashiok, Nightmare Muse bounces a permanent, enabling Sylvia Brightspear's recast / spell-cast trigger.
• Warden of the Grove

  2G

  Creature — HydraG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Time Wipe

  2WWU

  SorceryUW

  Time Wipe bounces a permanent, enabling Sylvia Brightspear's recast / spell-cast trigger.
• Mistbreath Elder

  G

  Creature — Frog WarriorG

  Mistbreath Elder bounces a permanent, enabling Sylvia Brightspear's recast / spell-cast trigger.