Confidence:StrongSolidPlausibleTentativeSpeculative

• Felix Five-Boots

  2BGU

  Legendary Creature — Ooze RogueBGU

  Felix Five-Boots makes Kain, Traitorous Dragoon's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Kain, Traitorous Dragoon's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Kain, Traitorous Dragoon'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 Kain, Traitorous Dragoon'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 Kain, Traitorous Dragoon's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Kain, Traitorous Dragoon's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Archivist of Gondor

  2U

  Creature — Human AdvisorU

  Both cards trigger on damage dealt — they fire together.
• Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield

  1U

  Legendary Creature — Merfolk Wizard // Legendary Creature — Merfolk RogueUW

  Both cards trigger on damage dealt — they fire together.
• Reanimate

  B

  SorceryB

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

  W

  SorceryW

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

  B

  SorceryB

  Unearth puts Kain, Traitorous Dragoon 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 Kain, Traitorous Dragoon onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• The Beast, Deathless Prince

  2BR

  Legendary Creature — DemonBR

  Both cards trigger on damage dealt — they fire together.
• Vraska the Unseen

  3BG

  Legendary Planeswalker — VraskaBG

  Both cards trigger on damage dealt — they fire together.
• The Rani

  1UBR

  Legendary Creature — Time Lord ScientistBRU

  Both cards trigger on damage dealt — they fire together.
• One with Nature

  G

  Enchantment — AuraG

  Both cards trigger on damage dealt — they fire together.
• Gonti, Night Minister

  2BB

  Legendary Creature — Aetherborn RogueB

  Both cards trigger on damage dealt — they fire together.
• Lost Jitte

  1

  Legendary Artifact — EquipmentC

  Both cards trigger on damage dealt — they fire together.
• Puppet Master, String Puller

  2R

  Legendary Creature — Human Artificer VillainR

  Both cards trigger on damage dealt — they fire together.
• Teysa, Envoy of Ghosts

  5WB

  Legendary Creature — Human AdvisorBW

  Both cards trigger on damage dealt — they fire together.
• The Master, Mesmerist

  2UB

  Legendary Creature — Time Lord RogueBU

  Both cards trigger on damage dealt — they fire together.
• All-Out Assault

  2RWB

  EnchantmentBRW

  All-Out Assault grants an extra combat phase, enabling Kain, Traitorous Dragoon's combat-trigger payoff.
• Tamiyo, Upriser Crowned

  4RW

  Legendary Creature — Moonfolk WarriorRW

  Both cards trigger on damage dealt — they fire together.
• Edric, Spymaster of Trest

  1GU

  Legendary Creature — Elf RogueGU

  Both cards trigger on damage dealt — they fire together.
• Gix, Yawgmoth Praetor

  1BB

  Legendary Creature — Phyrexian PraetorB

  Both cards trigger on damage dealt — they fire together.