Confidence:StrongSolidPlausibleTentativeSpeculative

• Currency Converter

  1

  ArtifactC

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

  BBB

  EnchantmentB

  Ketria Crystal has cycling, and Necropotence pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Stinkweed Imp

  2B

  Creature — ImpB

  Ketria Crystal has cycling, and Stinkweed Imp pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Midnight Oil

  2BB

  EnchantmentB

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

  BG

  EnchantmentBG

  Ketria Crystal 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

  Ketria Crystal has cycling, and Lazotep Chancellor pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Necroplasm

  1BB

  Creature — OozeB

  Ketria Crystal has cycling, and Necroplasm pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Vash, Freelance Archaeologist

  1BG

  Legendary Creature — Human Rogue ScientistBG

  Ketria Crystal has cycling, and Vash, Freelance Archaeologist pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Ketria Crystal's tap activation.
• The Necrobloom

  1WBG

  Legendary Creature — PlantBGW

  Ketria Crystal has cycling, and The Necrobloom pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Formidable Speaker

  2G

  Creature — Elf DruidG

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• Green Goblin, Back for More

  3BB

  Legendary Creature — Goblin Human VillainB

  Ketria Crystal 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

  Ketria Crystal 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

  Ketria Crystal has cycling, and Ragged Recluse pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Ketria Crystal's tap activation.
• Electro's Bolt

  2R

  SorceryR

  Ketria Crystal 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

  Ketria Crystal 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

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

  4B

  SorceryB

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

  W

  Creature — FoxW

  Ketria Crystal 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

  Ketria Crystal 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

  Ketria Crystal 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

  Ketria Crystal 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

  Ketria Crystal 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

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