Ur-Sphinx, Sky Tyrant by GrumminMyGully908

Format: Commander

Commander: The Ur-Sphinx

Bracket: 3

DeckCheck Threat Index: 30

Deck overview

This deck is an Esper Sphinx tribal midrange strategy commanded by The Ur-Sphinx. The deck leverages its commander's Eminence ability from the command zone to discount Sphinx spells by {1}, accelerating high-mana flying threats into play. In the early turns, it develops mana through rocks like Arcane Signet and Sapphire Medallion before establishing massive card advantage engines via Unesh, Criosphinx Sovereign or Consecrated Sphinx on Turn 5. The midgame converts this surplus into board dominance through high-impact flyers such as Magister Sphinx, Sphinx of the Steel Wind, and Elenda and Azor. Because it lacks compact infinite combos, the deck closes the game via aerial combat damage, occasionally leveraging alternative win conditions like Approach of the Second Sun or Twenty-Toed Toad. The deck excels at grinding out card advantage but faces vulnerability to sweepers due to its heavy curve and reliance on permanent-based board presence.

Decklist (100 cards)

  • 1 Alhammarret's Archive
  • 1 Approach of the Second Sun
  • 1 Arcane Signet
  • 1 Archmage Ascension
  • 1 Avacyn, Angel of Horror
  • 1 Azorius Chancery
  • 1 Baldin, Century Herdmaster
  • 1 Call to the Kindred
  • 1 Chromatic Lantern
  • 1 Command Tower
  • 1 Confusticate and Bebother
  • 1 Consecrated Sphinx
  • 1 Dazzling Sphinx
  • 1 Defiler of Dreams
  • 1 Disallow
  • 1 Drowned Catacomb
  • 1 Elenda and Azor
  • 1 Enigma Sphinx
  • 1 Evolving Wilds
  • 1 Fetid Heath
  • 1 Flickering Hound
  • 1 Grand Arbiter Augustin IV
  • 1 Hall of Echoes
  • 1 Howling Mine
  • 1 Illicit Shipment
  • 1 Inexorable Tide
  • 8 Island
  • 1 Isperia the Inscrutable
  • 1 Isperia, Supreme Judge
  • 1 Jubilant Skybonder
  • 1 Kozilek's Unsealing
  • 1 Lightning Greaves
  • 1 Magister Sphinx
  • 1 Medomai the Ageless
  • 1 Moon-Blessed Cleric
  • 1 Mystic Gate
  • 1 Niv-Mizzet, Ghost Counsel
  • 1 Ob Nixilis, the Hate-Twisted
  • 1 Odric, Lunarch Marshal
  • 1 Path to Exile
  • 7 Plains
  • 1 Prahv, Spires of Order
  • 1 Raffine, Scheming Seer
  • 1 Refute
  • 1 Reliquary Tower
  • 1 Render Silent
  • 1 Restless Anchorage
  • 1 Rewind
  • 1 Rhystic Study
  • 1 Sapphire Medallion
  • 1 Scrawling Crawler
  • 1 Sejiri Refuge
  • 1 Sen Triplets
  • 1 Sol Ring
  • 1 Sphinx Mindbreaker
  • 1 Sphinx Summoner
  • 1 Sphinx of False Conclusions
  • 1 Sphinx of the Second Sun
  • 1 Sphinx of the Steel Wind
  • 1 Sphinx's Tutelage
  • 1 Starwinder
  • 1 Sunken Ruins
  • 7 Swamp
  • 1 Teferi's Ageless Insight
  • 1 Teferi's Tutelage
  • 1 Teferi, Hero of Dominaria
  • 1 Terisian Mindbreaker
  • 1 The Theorist, Jace Beleren
  • 1 The Ur-Sphinx
  • 1 Thought Vessel
  • 1 Thryx, the Sudden Storm
  • 1 Time Wipe
  • 1 Tivit, Seller of Secrets
  • 1 Tranquil Cove
  • 1 Twenty-Toed Toad
  • 1 Unesh, Criosphinx Sovereign
  • 1 Urza's Incubator
  • 1 Venser's Journal
  • 1 Watcher of the Spheres
  • 1 Windreader Sphinx
  • 1 Wizard Class