Karn, the Great Creator + Ugin's Nexus + Throne of Geth + Oath of Teferi
Karn, the Great Creator
Ugin's Nexus
Throne of Geth
Oath of Teferi
Requires
Karn, the Great Creator must be on the battlefield.
Ugin's Nexus must be on the battlefield.
Throne of Geth must be on the battlefield.
Oath of Teferi must be on the battlefield.
Mana needed: 
each extra turn
each extra turn
Steps
- Activate Throne of Geth by tapping it and sacrificing Ugin's Nexus.
- Ugin's Nexus is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
- Resolve the Throne of Geth ability, putting a loyalty counter on Karn.
- Activate Karn's first loyalty ability by putting a loyalty counter on it, causing a noncreature artifact to become an artifact creature until end of turn.
- Activate Karn's second loyalty ability by removing two loyalty counters from it, returning Ugin's Nexus from exile to your hand.
- Move to your next turn.
- Cast Ugin's Nexus by paying .
- Repeat.
Results
Infinite turns.
Lae'zel, Vlaakith's Champion // Candlekeep Sage
1.43% of 70 decks
1 decks
Atraxa, Praetors' Voice
0.00% of 36013 decks
1 decks
Game Changers
Imperial Seal
100% of 1 decks
+94% synergy
Enlightened Tutor
50% of 2 decks
+33% synergy
Cyclonic Rift
50% of 2 decks
+24% synergy
Rhystic Study
50% of 2 decks
+23% synergy
Creatures
Stoic Angel
100% of 1 decks
+99% synergy
Crackdown Construct
50% of 2 decks
+50% synergy
Cryptic Trilobite
50% of 2 decks
+50% synergy
Crystalline Crawler
50% of 2 decks
+50% synergy
The Peregrine Dynamo
50% of 2 decks
+50% synergy
Fortune, Loyal Steed
50% of 2 decks
+49% synergy
Drafna, Founder of Lat-Nam
50% of 2 decks
+49% synergy
Norn's Choirmaster
50% of 2 decks
+49% synergy
Grateful Apparition
50% of 2 decks
+48% synergy
Phelia, Exuberant Shepherd
50% of 2 decks
+48% synergy
Deepglow Skate
50% of 2 decks
+48% synergy
Metastatic Evangel
50% of 2 decks
+48% synergy
Tekuthal, Inquiry Dominus
50% of 2 decks
+48% synergy
Deadeye Navigator
50% of 2 decks
+48% synergy
Dour Port-Mage
50% of 2 decks
+48% synergy
Dreamtide Whale
50% of 2 decks
+47% synergy
Flux Channeler
50% of 2 decks
+47% synergy
Thassa, Deep-Dwelling
50% of 2 decks
+47% synergy
Brago, King Eternal
50% of 2 decks
+47% synergy
Thrummingbird
50% of 2 decks
+47% synergy
Peregrine Drake
50% of 2 decks
+47% synergy
The Reality Chip
50% of 2 decks
+46% synergy
Soulherder
50% of 2 decks
+45% synergy
Displacer Kitten
50% of 2 decks
+45% synergy
Mulldrifter
50% of 2 decks
+45% synergy
Knight of the White Orchid
50% of 2 decks
+44% synergy
Loran of the Third Path
50% of 2 decks
+44% synergy
Spark Double
50% of 2 decks
+43% synergy
Witch Enchanter
50% of 2 decks
+43% synergy
Instants
Prologue to Phyresis
50% of 2 decks
+49% synergy
Semester's End
50% of 2 decks
+48% synergy
Ripples of Potential
50% of 2 decks
+48% synergy
Sorceries
Damnation
100% of 1 decks
+93% synergy
Call the Gatewatch
50% of 2 decks
+50% synergy
Time Warp
50% of 2 decks
+48% synergy
Starfall Invocation
50% of 2 decks
+48% synergy
Wrath of God
50% of 2 decks
+44% synergy
Utility Artifacts
The Chain Veil
100% of 2 decks
+99% synergy
Ichormoon Gauntlet
100% of 2 decks
+98% synergy
Omen Machine
50% of 2 decks
+50% synergy
Magistrate's Scepter
50% of 2 decks
+50% synergy
Luxior, Giada's Gift
50% of 2 decks
+49% synergy
Contagion Engine
50% of 2 decks
+49% synergy
Teferi's Puzzle Box
50% of 2 decks
+49% synergy
Fireshrieker
50% of 2 decks
+48% synergy
Excalibur, Sword of Eden
50% of 2 decks
+48% synergy
Sword of Feast and Famine
50% of 2 decks
+48% synergy
Whispersilk Cloak
50% of 2 decks
+46% synergy
Sensei's Divining Top
50% of 2 decks
+45% synergy
Mind Stone
50% of 2 decks
+33% synergy
Lightning Greaves
50% of 2 decks
+25% synergy
Swiftfoot Boots
50% of 2 decks
+23% synergy
Enchantments
Oath of Liliana
100% of 1 decks
+100% synergy
Oath of Nissa
100% of 1 decks
+99% synergy
Oath of Gideon
100% of 2 decks
+99% synergy
Oath of Ajani
100% of 1 decks
+99% synergy
Prismatic Omen
100% of 1 decks
+99% synergy
Innkeeper's Talent
100% of 1 decks
+95% synergy
Brokers Ascendancy
100% of 1 decks
+93% synergy
Hardened Scales
100% of 1 decks
+91% synergy
Doubling Season
100% of 1 decks
+90% synergy
Oath of Jace
50% of 2 decks
+50% synergy
Inexorable Tide
50% of 2 decks
+47% synergy
Teleportation Circle
50% of 2 decks
+46% synergy
Planeswalkers
Vivien, Nature's Avenger
100% of 1 decks
+100% synergy
Tezzeret, Master of Metal
100% of 1 decks
+100% synergy
Ajani, Valiant Protector
100% of 1 decks
+100% synergy
Jace, Cunning Castaway
100% of 2 decks
+100% synergy
Dovin Baan
100% of 2 decks
+99% synergy
Kasmina, Enigmatic Mentor
100% of 2 decks
+99% synergy
Ajani Unyielding
100% of 1 decks
+99% synergy
Liliana Vess
100% of 1 decks
+99% synergy
The Wanderer
100% of 2 decks
+99% synergy
Ajani, Mentor of Heroes
100% of 1 decks
+99% synergy
Narset Transcendent
100% of 2 decks
+99% synergy
Ajani, Sleeper Agent
100% of 1 decks
+98% synergy
Teferi, Master of Time
100% of 2 decks
+98% synergy
Teferi, Who Slows the Sunset
100% of 2 decks
+98% synergy
Ajani, the Greathearted
100% of 1 decks
+97% synergy
Narset, Parter of Veils
100% of 2 decks
+95% synergy
Tamiyo, Field Researcher
100% of 1 decks
+95% synergy
Teferi, Time Raveler
100% of 2 decks
+93% synergy
Teferi, Timebender
50% of 2 decks
+50% synergy
Teyo, the Shieldmage
50% of 2 decks
+50% synergy
Jace, Mirror Mage
50% of 2 decks
+49% synergy
Vronos, Masked Inquisitor
50% of 2 decks
+49% synergy
Elspeth, Knight-Errant
50% of 2 decks
+49% synergy
Ajani Steadfast
50% of 2 decks
+49% synergy
Tezzeret, Artifice Master
50% of 2 decks
+49% synergy
Teferi, Temporal Archmage
50% of 2 decks
+49% synergy
Jace, the Mind Sculptor
50% of 2 decks
+49% synergy
Venser, the Sojourner
50% of 2 decks
+49% synergy
Ugin, the Ineffable
50% of 2 decks
+48% synergy
Teferi, Hero of Dominaria
50% of 2 decks
+48% synergy
The Eternal Wanderer
50% of 2 decks
+47% synergy
Jace, Wielder of Mysteries
50% of 2 decks
+47% synergy
Utility Lands
Peat Bog
100% of 1 decks
+100% synergy
Hickory Woodlot
100% of 1 decks
+100% synergy
Interplanar Beacon
100% of 2 decks
+99% synergy
Reliquary Tower
100% of 2 decks
+70% synergy
Calciform Pools
50% of 2 decks
+50% synergy
Maze of Ith
50% of 2 decks
+47% synergy
Karn's Bastion
50% of 2 decks
+45% synergy
Eiganjo, Seat of the Empire
50% of 2 decks
+42% synergy
Temple of the False God
50% of 2 decks
+40% synergy
Mana Artifacts
Everflowing Chalice
100% of 2 decks
+96% synergy
Arcane Signet
100% of 2 decks
+28% synergy
Sol Ring
100% of 2 decks
+16% synergy
Pentad Prism
50% of 2 decks
+50% synergy
Strixhaven Stadium
50% of 2 decks
+50% synergy
Gatewatch Beacon
50% of 2 decks
+50% synergy
Talisman of Progress
50% of 2 decks
+26% synergy
Azorius Signet
50% of 2 decks
+25% synergy
Lands
Vivid Marsh
100% of 1 decks
+99% synergy
Vivid Grove
100% of 1 decks
+99% synergy
Selesnya Sanctuary
100% of 1 decks
+86% synergy
Port Town
100% of 2 decks
+84% synergy
Orzhov Basilica
100% of 1 decks
+84% synergy
Golgari Rot Farm
100% of 1 decks
+82% synergy
Simic Growth Chamber
100% of 1 decks
+81% synergy
Sunpetal Grove
100% of 1 decks
+76% synergy
Drowned Catacomb
100% of 1 decks
+73% synergy
Command Tower
100% of 2 decks
+26% synergy
Gemstone Mine
50% of 2 decks
+49% synergy
Vivid Meadow
50% of 2 decks
+49% synergy
Vivid Creek
50% of 2 decks
+49% synergy
Nimbus Maze
50% of 2 decks
+45% synergy
Seachrome Coast
50% of 2 decks
+45% synergy
Mystic Gate
50% of 2 decks
+44% synergy
Hengegate Pathway
50% of 2 decks
+43% synergy
Flooded Strand
50% of 2 decks
+39% synergy
Skycloud Expanse
50% of 2 decks
+37% synergy
Azorius Chancery
50% of 2 decks
+35% synergy
Deserted Beach
50% of 2 decks
+34% synergy
Temple of Enlightenment
50% of 2 decks
+33% synergy
Myriad Landscape
50% of 2 decks
+31% synergy
Adarkar Wastes
50% of 2 decks
+30% synergy
Sea of Clouds
50% of 2 decks
+24% synergy
Glacial Fortress
50% of 2 decks
+22% synergy
Prairie Stream
50% of 2 decks
+16% synergy
Hallowed Fountain
50% of 2 decks
+10% synergy