Confidence:StrongSolidPlausibleTentativeSpeculative

• Tameshi, Reality Architect

  2U

  Legendary Creature — Moonfolk WizardUW

  Recursion engine: one card can reanimate repeatedly (an activated ability, or a return that comes back once a turn), and the other is a creature worth bringing back again and again — or a creature you recast from your graveyard beside a sacrifice outlet that doesn't pay for the recast. Real, repeatable value — not an infinite loop on its own.
• Go-Shintai of Life's Origin

  3G

  Legendary Enchantment Creature — ShrineBGRUW

  Recursion engine: one card can reanimate repeatedly (an activated ability, or a return that comes back once a turn), and the other is a creature worth bringing back again and again — or a creature you recast from your graveyard beside a sacrifice outlet that doesn't pay for the recast. Real, repeatable value — not an infinite loop on its own.
• Ghen, Arcanum Weaver

  RWB

  Legendary Creature — Human WizardBRW

  Recursion engine: one card can reanimate repeatedly (an activated ability, or a return that comes back once a turn), and the other is a creature worth bringing back again and again — or a creature you recast from your graveyard beside a sacrifice outlet that doesn't pay for the recast. Real, repeatable value — not an infinite loop on its own.
• Phelia, Exuberant Shepherd

  1W

  Legendary Creature — DogW

  Phelia, Exuberant Shepherd blinks (exiles and returns) a permanent, re-firing Icy Prison's enter-the-battlefield effect.
• Elesh Norn, Mother of Machines

  4W

  Legendary Creature — Phyrexian PraetorW

  Elesh Norn, Mother of Machines makes Icy Prison's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Virtue of Knowledge // Vantress Visions

  4U1U

  Enchantment // Instant — AdventureU

  Virtue of Knowledge makes Icy Prison's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Yuna, Hope of Spira

  3GW

  Legendary Creature — Human ClericGW

  Yuna, Hope of Spira returns creatures from the graveyard to the battlefield, re-firing Icy Prison's enter-the-battlefield effect.
• Starfield Vocalist

  3U

  Creature — Human BardU

  Starfield Vocalist makes Icy Prison's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• What Must Be Done

  3WW

  SorceryW

  What Must Be Done returns creatures from the graveyard to the battlefield, re-firing Icy Prison's enter-the-battlefield effect.
• The Mind Stone

  1W

  Legendary Artifact — Infinity StoneW

  The Mind Stone blinks (exiles and returns) a permanent, re-firing Icy Prison's enter-the-battlefield effect.
• Yarok, the Desecrated

  2BGU

  Legendary Creature — Elemental HorrorBGU

  Yarok, the Desecrated makes Icy Prison's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  Elrond, Moon-Reader blinks (exiles and returns) a permanent, re-firing Icy Prison's enter-the-battlefield effect.
• Temporal Tribulation

  2U

  InstantU

  Temporal Tribulation blinks (exiles and returns) a permanent, re-firing Icy Prison's enter-the-battlefield effect.
• The Legend of Yangchen // Avatar Yangchen

  3WW

  Enchantment — Saga // Legendary Creature — AvatarW

  The Legend of Yangchen exiles a permanent and lets its owner cast it again — the recast fires Icy Prison's cast trigger or its enter-the-battlefield effect.
• Soul Partition

  1W

  InstantW

  Soul Partition exiles a permanent and lets its owner cast it again — the recast fires Icy Prison's cast trigger or its enter-the-battlefield effect.
• Teferi's Time Twist

  1U

  InstantU

  Teferi's Time Twist blinks (exiles and returns) a permanent, re-firing Icy Prison's enter-the-battlefield effect.
• Brought Back

  WW

  InstantW

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

  4W

  EnchantmentW

  Starfield of Nyx returns creatures from the graveyard to the battlefield, re-firing Icy Prison's enter-the-battlefield effect.
• Balance of Terror

  2W

  Enchantment — SagaW

  Balance of Terror blinks (exiles and returns) a permanent, re-firing Icy Prison'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 Icy Prison's enter-the-battlefield effect.
• Venser, the Sojourner

  3WU

  Legendary Planeswalker — VenserUW

  Venser, the Sojourner blinks (exiles and returns) a permanent, re-firing Icy Prison'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 Icy Prison's enter-the-battlefield effect.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Icy Prison's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Displacer Kitten

  3U

  Creature — Cat BeastU

  Displacer Kitten blinks (exiles and returns) a permanent, re-firing Icy Prison's enter-the-battlefield effect.
• Second Sunrise

  1WW

  InstantW

  Second Sunrise returns creatures from the graveyard to the battlefield, re-firing Icy Prison's enter-the-battlefield effect.