Confidence:StrongSolidPlausibleTentativeSpeculative

• Necropotence

  BBB

  EnchantmentB

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

  2BB

  EnchantmentB

  Undulating Witness has cycling, and Midnight Oil pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Lazotep Chancellor

  UB

  Creature — Zombie WizardBU

  Undulating Witness 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

  Undulating Witness has cycling, and Vash, Freelance Archaeologist pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Green Goblin, Back for More

  3BB

  Legendary Creature — Goblin Human VillainB

  Undulating Witness 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

  Undulating Witness 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

  Undulating Witness has cycling, and Ragged Recluse pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Electro's Bolt

  2R

  SorceryR

  Undulating Witness 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

  Undulating Witness 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

  Undulating Witness has cycling, and Flameblade Adept pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Prison Break

  4B

  SorceryB

  Undulating Witness has cycling, and Prison Break pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Flourishing Fox

  W

  Creature — FoxW

  Undulating Witness 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

  Undulating Witness 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

  Undulating Witness 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

  Undulating Witness 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

  Undulating Witness 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

  Undulating Witness has cycling, and Glint-Horn Buccaneer pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Titanbones, Towering Heart

  3G

  Legendary Creature — Skeleton DruidG

  Undulating Witness has cycling, and Titanbones, Towering Heart pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Containment Construct

  2

  Artifact Creature — ConstructC

  Undulating Witness has cycling, and Containment Construct pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Moonstone, Harsh Mistress

  3B

  Legendary Creature — Human Doctor VillainB

  Undulating Witness has cycling, and Moonstone, Harsh Mistress pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Drake Haven

  2U

  EnchantmentU

  Undulating Witness has cycling, and Drake Haven pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Murktide Regent

  5UU

  Creature — DragonU

  Undulating Witness has cycling, and Murktide Regent pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Ruthless Sniper

  B

  Creature — Human ArcherB

  Undulating Witness has cycling, and Ruthless Sniper pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Cool but Rude

  1R

  Enchantment — ClassR

  Undulating Witness has cycling, and Cool but Rude pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Drannith Stinger

  1R

  Creature — Human WizardR

  Undulating Witness has cycling, and Drannith Stinger pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.