Confidence:StrongSolidPlausibleTentativeSpeculative

• Time Wipe

  2WWU

  SorceryUW

  Time Wipe bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Mistbreath Elder

  G

  Creature — Frog WarriorG

  Mistbreath Elder bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Dour Port-Mage

  1U

  Creature — Frog WizardU

  Dour Port-Mage bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Vedalken Aethermage

  1U

  Creature — Vedalken WizardU

  Vedalken Aethermage bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Trusted Advisor

  U

  Creature — Human AdvisorU

  Trusted Advisor bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Prowl, Stoic Strategist // Prowl, Pursuit Vehicle

  3W

  Legendary Artifact Creature — Robot // Legendary Artifact — VehicleW

  Prowl, Stoic Strategist exiles a permanent and lets its owner cast it again — the recast fires Ugin's Mastery's cast trigger or its enter-the-battlefield effect.
• Clutch of Currents

  U

  SorceryU

  Clutch of Currents bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Arthur, Marigold Knight

  2URW

  Legendary Creature — Mouse KnightRUW

  Arthur, Marigold Knight bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Orzhov Charm

  WB

  InstantBW

  Orzhov Charm bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Water Whip

  UU

  Sorcery — LessonU

  Water Whip bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Mark of Eviction

  U

  Enchantment — AuraU

  Mark of Eviction bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Kaito, Dancing Shadow

  2UB

  Legendary Planeswalker — KaitoBU

  Kaito, Dancing Shadow bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Silent Departure

  U

  SorceryU

  Silent Departure bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Vapor Snag

  U

  InstantU

  Vapor Snag bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Grazilaxx, Illithid Scholar

  1UU

  Legendary Creature — HorrorU

  Grazilaxx, Illithid Scholar bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Teferi, Time Raveler

  1WU

  Legendary Planeswalker — TeferiUW

  Teferi, Time Raveler bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Aerial Extortionist

  3WW

  Creature — Bird SoldierW

  Aerial Extortionist exiles a permanent and lets its owner cast it again — the recast fires Ugin's Mastery's cast trigger or its enter-the-battlefield effect.
• Karakas

  Legendary LandW

  Karakas bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Lady Sun

  1UU

  Legendary Creature — Human AdvisorU

  Lady Sun bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Select for Inspection

  U

  InstantU

  Select for Inspection bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Fading Hope

  U

  InstantU

  Fading Hope bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Sidisi's Faithful

  U

  Creature — Snake WizardU

  Sidisi's Faithful bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Bounce Off

  U

  InstantU

  Bounce Off bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Champion's Victory

  U

  InstantU

  Champion's Victory bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.
• Jin-Gitaxias // The Great Synthesis

  3UU

  Legendary Creature — Phyrexian Praetor // Enchantment — SagaU

  Jin-Gitaxias bounces a permanent, enabling Ugin's Mastery's recast / spell-cast trigger.