Confidence:StrongSolidPlausibleTentativeSpeculative

• Obsessive Pursuit

  1B

  EnchantmentB

  Both cards trigger when a permanent attacks — they fire together.
• Banon, the Returners' Leader

  RW

  Legendary Creature — Human Cleric RebelRW

  Both cards trigger when a permanent attacks — they fire together.
• Garruk, Apex Predator

  5BG

  Legendary Planeswalker — GarrukBG

  Both cards trigger when a permanent attacks — they fire together.
• The Meathook Massacre

  XBB

  Legendary EnchantmentB

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling The Meathook Massacre's death or sacrifice trigger.
• Gallia of the Endless Dance

  RG

  Legendary Creature — SatyrGR

  Both cards trigger when a permanent attacks — they fire together.
• The Serpent Society

  1BG

  Legendary Creature — Human Snake VillainBG

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling The Serpent Society's death or sacrifice trigger.
• Avatar Roku, Firebender

  3RRR

  Legendary Creature — Human AvatarR

  Both cards trigger when a permanent attacks — they fire together.
• Invasion of New Capenna // Holy Frazzle-Cannon

  WB

  Battle — Siege // Artifact — EquipmentBW

  Both cards trigger when a permanent attacks — they fire together.
• Bequeathal

  G

  Enchantment — AuraG

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling Bequeathal's death or sacrifice trigger.
• Syr Vondam, Sunstar Exemplar

  WB

  Legendary Creature — Human KnightBW

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling Syr Vondam, Sunstar Exemplar's death or sacrifice trigger.
• Tempered in Solitude

  1R

  EnchantmentR

  Both cards trigger when a permanent attacks — they fire together.
• Bard, Heir of Girion

  2WU

  Legendary Creature — Human ArcherUW

  Both cards trigger when a permanent attacks — they fire together.
• Combat Calligrapher

  3W

  Creature — Bird ClericW

  Both cards trigger when a permanent attacks — they fire together.
• Jaya, Fiery Negotiator

  2RR

  Legendary Planeswalker — JayaR

  Both cards trigger when a permanent attacks — they fire together.
• Inti, Seneschal of the Sun

  1R

  Legendary Creature — Human KnightR

  Both cards trigger when a permanent attacks — they fire together.
• Clavileño, First of the Blessed

  1WB

  Legendary Creature — Vampire ClericBW

  Both cards trigger when a permanent attacks — they fire together.
• Jon Irenicus, Shattered One

  2UB

  Legendary Creature — Elf WizardBU

  Both cards trigger when a permanent attacks — they fire together.
• Araña, Heart of the Spider

  1RW

  Legendary Creature — Spider Human HeroRW

  Both cards trigger when a permanent attacks — they fire together.
• Shaile, Dean of Radiance // Embrose, Dean of Shadow

  1W2BB

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

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling Shaile, Dean of Radiance's death or sacrifice trigger.
• Malicious Affliction

  BB

  InstantB

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling Malicious Affliction's death or sacrifice trigger.
• Dyadrine, Synthesis Amalgam

  XGW

  Legendary Artifact Creature — ConstructGW

  Both cards trigger when a permanent attacks — they fire together.
• Enduring Renewal

  2WW

  EnchantmentW

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling Enduring Renewal's death or sacrifice trigger.
• Liliana, Heretical Healer // Liliana, Defiant Necromancer

  1BB

  Legendary Creature — Human Cleric // Legendary Planeswalker — LilianaB

  Sephiroth, Fallen Hero is a sacrifice outlet, enabling Liliana, Heretical Healer's death or sacrifice trigger.
• Twenty-Toed Toad

  3U

  Creature — Frog WizardU

  Both cards trigger when a permanent attacks — they fire together.
• Hooded Blightfang

  2B

  Creature — SnakeB

  Both cards trigger when a permanent attacks — they fire together.