Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• 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.
• Displacer Kitten

  3U

  Creature — Cat BeastU

  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.
• Yuna, Hope of Spira

  3GW

  Legendary Creature — Human ClericGW

  Yuna, Hope of Spira returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Phelia, Exuberant Shepherd

  1W

  Legendary Creature — DogW

  Phelia, Exuberant Shepherd blinks (exiles and returns) a permanent, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  Elrond, Moon-Reader blinks (exiles and returns) a permanent, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Soul Partition

  1W

  InstantW

  Soul Partition exiles a permanent and lets its owner cast it again — the recast fires Case of the Lost Witness's cast trigger or its enter-the-battlefield effect.
• Tameshi, Reality Architect

  2U

  Legendary Creature — Moonfolk WizardUW

  Tameshi, Reality Architect returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Appa, Steadfast Guardian

  2WW

  Legendary Creature — Bison AllyW

  Appa, Steadfast Guardian exiles a permanent and lets its owner cast it again — the recast fires Case of the Lost Witness's cast trigger or its enter-the-battlefield effect.
• Brought Back

  WW

  InstantW

  Brought Back returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Starfield of Nyx

  4W

  EnchantmentW

  Starfield of Nyx returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Wiccan, Rising Magician

  4U

  Legendary Creature — Mutant Warlock HeroU

  Wiccan, Rising Magician blinks (exiles and returns) a permanent, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Campus Renovation

  3RW

  SorceryRW

  Campus Renovation returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Squall, SeeD Mercenary

  2WB

  Legendary Creature — Human Knight MercenaryBW

  Squall, SeeD Mercenary returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Archon of Falling Stars

  4WW

  Creature — ArchonW

  Archon of Falling Stars returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Airbending Lesson

  2W

  Instant — LessonW

  Airbending Lesson exiles a permanent and lets its owner cast it again — the recast fires Case of the Lost Witness's cast trigger or its enter-the-battlefield effect.
• Flickerwisp

  1WW

  Creature — ElementalW

  Flickerwisp blinks (exiles and returns) a permanent, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Scrollshift

  2W

  InstantW

  Scrollshift blinks (exiles and returns) a permanent, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Suspend Aggression

  1RW

  InstantRW

  Suspend Aggression exiles a permanent and lets its owner cast it again — the recast fires Case of the Lost Witness's cast trigger or its enter-the-battlefield effect.
• Repair and Recharge

  3WW

  SorceryW

  Repair and Recharge returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Harnessed Snubhorn

  3W

  Creature — DinosaurW

  Harnessed Snubhorn returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Relive the Past

  5GW

  SorceryGW

  Relive the Past returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.
• Aang, the Last Airbender

  3W

  Legendary Creature — Human Avatar AllyW

  Aang, the Last Airbender exiles a permanent and lets its owner cast it again — the recast fires Case of the Lost Witness's cast trigger or its enter-the-battlefield effect.
• Zareth San, the Trickster

  3UB

  Legendary Creature — Merfolk RogueBU

  Zareth San, the Trickster returns creatures from the graveyard to the battlefield, re-firing Case of the Lost Witness's enter-the-battlefield effect.