Confidence:StrongSolidPlausibleTentativeSpeculative

• Sarkhan's Unsealing

  3R

  EnchantmentR

  Both cards trigger when a spell is cast — they fire together.
• Quintorius Kand

  3RW

  Legendary Planeswalker — QuintoriusRW

  Both cards trigger when a spell is cast — they fire together.
• Dragonsoul Prodigy

  2R

  Creature — Human MonkR

  Both cards trigger when a spell is cast — they fire together.
• Xho Cai, Flickering Talon

  URW

  Legendary Creature — Bird MonkRUW

  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.
• Wingbright Thief

  WU

  Enchantment Creature — Bird GlimmerUW

  Both cards trigger when a spell is cast — they fire together.
• Chandra, Flameshaper

  5RR

  Legendary Planeswalker — ChandraR

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Taigam, Master Opportunist

  1U

  Legendary Creature — Human MonkU

  Both cards trigger when a spell is cast — they fire together.
• The Mighty Thor, Jane Foster

  1WU

  Legendary Creature — Human God HeroUW

  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.
• Thassa, Deep-Dwelling

  3U

  Legendary Enchantment Creature — GodU

  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.
• Mirrorhall Mimic // Ghastly Mimicry

  3U

  Creature — Spirit // Enchantment — AuraU

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
• The Mind Stone

  1W

  Legendary Artifact — Infinity StoneW

  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.
• Soulherder

  1WU

  Creature — SpiritUW

  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.
• Silverback Elder

  2GGG

  Creature — Ape ShamanG

  Both cards trigger when a spell is cast — they fire together.
• Sorin of House Markov // Sorin, Ravenous Neonate

  1B

  Legendary Creature — Human Noble // Legendary Planeswalker — SorinBW

  Both cards trigger when a spell is cast — they fire together.
• Quicksilver Servitor

  2U

  Creature — Phyrexian ClericU

  Both cards trigger when a spell is cast — they fire together.
• Oltec Matterweaver

  2W

  Creature — Human ArtificerW

  Both cards trigger when a spell is cast — they fire together.
• Aragorn, the Uniter

  RGWU

  Legendary Creature — Human NobleGRUW

  Both cards trigger when a spell is cast — they fire together.
• Don & Leo, Problem Solvers

  3W/UW/U

  Legendary Creature — Mutant Ninja TurtleUW

  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.
• Scytheclaw Raptor

  2R

  Creature — DinosaurR

  Both cards trigger when a spell is cast — they fire together.
• The Fantastic Four

  RGWU

  Legendary Creature — Human HeroGRUW

  Both cards trigger when a spell is cast — they fire together.
• Loki, God of Lies

  1RR

  Legendary Creature — God Sorcerer VillainR

  Both cards trigger when a spell is cast — they fire together.
• Forsaken Monument

  5

  Legendary ArtifactC

  Both cards trigger when a spell is cast — they fire together.
• Tormented Hero

  B

  Creature — Human WarriorB

  Both cards trigger when a spell is cast — they fire together.
• Roiling Vortex

  1R

  EnchantmentR

  Both cards trigger when a spell is cast — they fire together.
• Zimone, Infinite Analyst

  1GU

  Legendary Creature — Human WizardGU

  Both cards trigger when a spell is cast — they fire together.