Confidence:StrongSolidPlausibleTentativeSpeculative

• Rodolf Duskbringer

  5B

  Legendary Creature — Vampire AngelBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Currency Converter

  1

  ArtifactC

  Soaring Sandwing has cycling, and Currency Converter pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Necropotence

  BBB

  EnchantmentB

  Soaring Sandwing has cycling, and Necropotence pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Midnight Oil

  2BB

  EnchantmentB

  Soaring Sandwing has cycling, and Midnight Oil pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• 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.).
• Insidious Roots

  BG

  EnchantmentBG

  Soaring Sandwing has cycling, and Insidious Roots pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Lazotep Chancellor

  UB

  Creature — Zombie WizardBU

  Soaring Sandwing has cycling, and Lazotep Chancellor pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Vash, Freelance Archaeologist

  1BG

  Legendary Creature — Human Rogue ScientistBG

  Soaring Sandwing has cycling, and Vash, Freelance Archaeologist pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Ezri Dax, Newly Joined

  1W

  Legendary Creature — Trill AdvisorW

  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.).
• Green Goblin, Back for More

  3BB

  Legendary Creature — Goblin Human VillainB

  Soaring Sandwing has cycling, and Green Goblin, Back for More pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Ivora, Insatiable Heir

  1R

  Legendary Creature — Vampire WarriorR

  Soaring Sandwing has cycling, and Ivora, Insatiable Heir pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Ragged Recluse // Odious Witch

  1B

  Creature — Human Peasant // Creature — Human WarlockB

  Soaring Sandwing has cycling, and Ragged Recluse pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Cursed Mirror

  2R

  ArtifactR

  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.).
• Electro's Bolt

  2R

  SorceryR

  Soaring Sandwing has cycling, and Electro's Bolt pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Valiant Rescuer

  1W

  Creature — Human SoldierW

  Soaring Sandwing has cycling, and Valiant Rescuer pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Flameblade Adept

  R

  Creature — Jackal WarriorR

  Soaring Sandwing has cycling, and Flameblade Adept pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Callidus Assassin

  4UB

  Creature — Human Shapeshifter AssassinBU

  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.).
• Prison Break

  4B

  SorceryB

  Soaring Sandwing has cycling, and Prison Break pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Rionya, Fire Dancer

  3RR

  Legendary Creature — Human WizardR

  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.
• Flourishing Fox

  W

  Creature — FoxW

  Soaring Sandwing has cycling, and Flourishing Fox pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Swarm, Being of Bees

  2B

  Legendary Creature — Insect VillainB

  Soaring Sandwing has cycling, and Swarm, Being of Bees pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Norman Osborn // Green Goblin

  1U1UBR

  Legendary Creature — Human Scientist Villain // Legendary Creature — Goblin Human VillainBRU

  Soaring Sandwing has cycling, and Norman Osborn pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Hobgoblin, Mantled Marauder

  1R

  Legendary Creature — Goblin Human VillainR

  Soaring Sandwing has cycling, and Hobgoblin, Mantled Marauder pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Savai Thundermane

  RW

  Creature — Elemental CatRW

  Soaring Sandwing has cycling, and Savai Thundermane pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Glint-Horn Buccaneer

  1RR

  Creature — Minotaur PirateR

  Soaring Sandwing has cycling, and Glint-Horn Buccaneer pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.