Confidence:StrongSolidPlausibleTentativeSpeculative

• The Legend of Yangchen // Avatar Yangchen

  3WW

  Enchantment — Saga // Legendary Creature — AvatarW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Appa, Loyal Sky Bison

  4WW

  Legendary Creature — Bison AllyW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Season of Growth

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• 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.
• 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 Herald of the Forgotten's recast / spell-cast trigger.
• Eye of Singularity

  3W

  World EnchantmentW

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

  B

  SorceryB

  Reanimate puts Herald of the Forgotten onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• 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.
• 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 Herald of the Forgotten'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 Herald of the Forgotten's recast / spell-cast trigger.
• Mistbreath Elder

  G

  Creature — Frog WarriorG

  Mistbreath Elder bounces a permanent, enabling Herald of the Forgotten's recast / spell-cast trigger.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Herald of the Forgotten onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Momo, Friendly Flier

  W

  Legendary Creature — Lemur Bat AllyW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Dour Port-Mage

  1U

  Creature — Frog WizardU

  Dour Port-Mage bounces a permanent, enabling Herald of the Forgotten's recast / spell-cast trigger.
• Vedalken Aethermage

  1U

  Creature — Vedalken WizardU

  Vedalken Aethermage bounces a permanent, enabling Herald of the Forgotten's recast / spell-cast trigger.
• Fire Lord Zuko

  RWB

  Legendary Creature — Human Noble AllyBRW

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

  U

  InstantU

  Chain of Vapor bounces a permanent, enabling Herald of the Forgotten's recast / spell-cast trigger.
• Karn's Temporal Sundering

  4UU

  Legendary SorceryU

  Karn's Temporal Sundering bounces a permanent, enabling Herald of the Forgotten's recast / spell-cast trigger.
• Trusted Advisor

  U

  Creature — Human AdvisorU

  Trusted Advisor bounces a permanent, enabling Herald of the Forgotten's recast / spell-cast trigger.
• Lagrella, the Magpie

  GWU

  Legendary Creature — Human SoldierGUW

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