The Ur-Sphinx manabase for Commander

The best lands for Commander The Ur-Sphinx (5,009 decks on EDHREC), tested over thousands of games: 69 → 71 out of 100. +2 Island, −2 Swamp, +1 Evolving Wilds. Each candidate manabase played 192 simulated games with this exact list.

Recommended lands

10 Island (+2 from the EDHREC average list)
4 Plains
1 Swamp (−2 from the EDHREC average list)
1 Adarkar Wastes
1 Arcane Sanctum
1 Cavern of Souls
1 Command Tower
1 Deserted Beach
1 Drowned Catacomb
1 Exotic Orchard
1 Flooded Strand
1 Glacial Fortress
1 Godless Shrine
1 Hallowed Fountain
1 Isolated Chapel
1 Marsh Flats
1 Path of Ancestry
1 Polluted Delta
1 Raffine's Tower
1 Reliquary Tower
1 Shipwreck Marsh
1 Watery Grave
1 Evolving Wilds (+1 from the EDHREC average list)
1 Underground Sea (+1 from the EDHREC average list)
0 Morphic Pool (−1 from the EDHREC average list)
0 Sea of Clouds (−1 from the EDHREC average list)

The EDHREC average list

1 The Ur-Sphinx
1 Atemsis, All-Seeing
1 Azor, the Lawbringer
1 Consecrated Sphinx
1 Dazzling Sphinx
1 Defiler of Dreams
1 Denzilore Fatehold
1 Dream Trawler
1 Enigma Sphinx
1 Ethersworn Sphinx
1 Isperia, Supreme Judge
1 Magister Sphinx
1 Master of Predicaments
1 Medomai the Ageless
1 Raffine, Scheming Seer
1 Roaming Throne
1 Sphinx Ambassador
1 Sphinx of False Conclusions
1 Sphinx of Foresight
1 Sphinx of Forgotten Lore
1 Sphinx of the Final Word
1 Sphinx of the Second Sun
1 Sphinx of the Steel Wind
1 Tivit, Seller of Secrets
1 Uldaros Theorix
1 Unesh, Criosphinx Sovereign
1 Windreader Sphinx
1 Yennett, Cryptic Sovereign
1 An Offer You Can't Refuse
1 Anguished Unmaking
1 Arcane Denial
1 Brainstorm
1 Counterspell
1 Cyclonic Rift
1 Dark Ritual
1 Dovin's Veto
1 Mana Drain
1 Path to Exile
1 Sphinx's Approach
1 Swan Song
1 Swords to Plowshares
1 Void Rend
1 Kindred Dominance
1 Kindred Judgment
1 Raise the Palisade
1 Reanimate
1 Toxic Deluge
1 Arcane Signet
1 Azorius Signet
1 Dimir Signet
1 Fellwar Stone
1 Herald's Horn
1 Sapphire Medallion
1 Sol Ring
1 Talisman of Dominance
1 Talisman of Hierarchy
1 Talisman of Progress
1 Thought Vessel
1 Urza's Incubator
1 Black Market Connections
1 Kindred Discovery
1 Propaganda
1 Reflections of Littjara
1 Smothering Tithe
1 Adarkar Wastes
1 Arcane Sanctum
1 Cavern of Souls
1 Command Tower
1 Deserted Beach
1 Drowned Catacomb
1 Exotic Orchard
1 Flooded Strand
1 Glacial Fortress
1 Godless Shrine
1 Hallowed Fountain
8 Island
1 Isolated Chapel
1 Marsh Flats
1 Morphic Pool
1 Path of Ancestry
4 Plains
1 Polluted Delta
1 Raffine's Tower
1 Reliquary Tower
1 Sea of Clouds
1 Shipwreck Marsh
3 Swamp
1 Watery Grave

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