Ugin's Nexus + Tamiyo's Compleation + Extravagant Replication

Ugin's Nexus
Tamiyo's Compleation
Extravagant Replication

Requires
Ugin's Nexus must be on the battlefield. Tamiyo's Compleation must be on the battlefield. Extravagant Replication must be on the battlefield. Tamiyo's Compleation attached to Ugin's Nexus.
Steps
  1. At the beginning of your upkeep, Extravagant Replication triggers, creating a token copy of Ugin's Nexus.
  2. Put the token Ugin's Nexus into exile due to the legend rule, causing you to take an extra turn after this one.
  3. Repeat each turn.
Results
Infinite turns.

Obeka, Splitter of Seconds
0.01% of 9474 decks 1 decks
Urza, Chief Artificer
0.01% of 14102 decks 1 decks
Dynaheir, Invoker Adept
0.07% of 1378 decks 1 decks
Creatures
Queen Kayla bin-Kroog
100% of 1 decks +100% synergy
Unshakable Tail
100% of 1 decks +99% synergy
Nicol Bolas, the Ravager
100% of 1 decks +98% synergy
Mondrak, Glory Dominus
100% of 1 decks +91% synergy
Archaeomancer
67% of 3 decks +63% synergy
Taigam, Sidisi's Hand
50% of 2 decks +50% synergy
Bhaal's Invoker
50% of 2 decks +50% synergy
Flameblast Dragon
50% of 2 decks +50% synergy
Dominus of Fealty
50% of 2 decks +49% synergy
Worldgorger Dragon
50% of 2 decks +49% synergy
Sin Prodder
50% of 2 decks +49% synergy
Jhoira of the Ghitu
50% of 2 decks +49% synergy
Indulgent Tormentor
50% of 2 decks +49% synergy
Leyline Tyrant
50% of 2 decks +49% synergy
Burning-Rune Demon
50% of 2 decks +49% synergy
Digsite Engineer
50% of 2 decks +49% synergy
Oswald Fiddlebender
50% of 2 decks +48% synergy
Rune-Scarred Demon
50% of 2 decks +48% synergy
Stoneforge Mystic
50% of 2 decks +47% synergy
Goblin Welder
50% of 2 decks +47% synergy
Twilight Prophet
50% of 2 decks +47% synergy
Enthusiastic Mechanaut
50% of 2 decks +46% synergy
Sheoldred, Whispering One
50% of 2 decks +45% synergy
The Locust God
50% of 2 decks +45% synergy
Archivist of Oghma
50% of 2 decks +44% synergy
Dockside Extortionist
50% of 2 decks +37% synergy
Esper Sentinel
50% of 2 decks +29% synergy
Cogwork Assembler
33% of 3 decks +33% synergy
Muzzio, Visionary Architect
33% of 3 decks +33% synergy
Metalworker
33% of 3 decks +33% synergy
Thopter Assembly
33% of 3 decks +33% synergy
Nimbleclaw Adept
33% of 3 decks +33% synergy
Fatestitcher
33% of 3 decks +33% synergy
Timestream Navigator
33% of 3 decks +33% synergy
Aphetto Alchemist
33% of 3 decks +33% synergy
Kelpie Guide
33% of 3 decks +32% synergy
Forgotten Creation
33% of 3 decks +32% synergy
Vizier of Tumbling Sands
33% of 3 decks +32% synergy
It That Betrays
33% of 3 decks +32% synergy
Steel Overseer
33% of 3 decks +32% synergy
Master Transmuter
33% of 3 decks +32% synergy
Master of Etherium
33% of 3 decks +32% synergy
Sphinx of the Second Sun
33% of 3 decks +32% synergy
Thassa, God of the Sea
33% of 3 decks +31% synergy
Steel Hellkite
33% of 3 decks +31% synergy
Myr Battlesphere
33% of 3 decks +31% synergy
Triskaidekaphile
33% of 3 decks +31% synergy
Urza, Lord High Artificer
33% of 3 decks +30% synergy
Padeem, Consul of Innovation
33% of 3 decks +30% synergy
Emry, Lurker of the Loch
33% of 3 decks +29% synergy
Instants
Wear // Tear
100% of 1 decks +92% synergy
Boros Charm
100% of 1 decks +75% synergy
Swords to Plowshares
100% of 2 decks +37% synergy
Counterspell
67% of 3 decks +24% synergy
Deadly Rollick
50% of 2 decks +39% synergy
Enlightened Tutor
50% of 2 decks +32% synergy
Vampiric Tutor
50% of 2 decks +32% synergy
Dark Ritual
50% of 2 decks +28% synergy
Path to Exile
50% of 2 decks +5% synergy
Reality Heist
33% of 3 decks +33% synergy
Masterful Replication
33% of 3 decks +33% synergy
Urza's Command
33% of 3 decks +33% synergy
Sinister Sabotage
33% of 3 decks +33% synergy
Access Denied
33% of 3 decks +32% synergy
Resculpt
33% of 3 decks +28% synergy
Dramatic Reversal
33% of 3 decks +28% synergy
Mystical Tutor
33% of 3 decks +18% synergy
Swan Song
33% of 3 decks +17% synergy
Fierce Guardianship
33% of 3 decks +15% synergy
An Offer You Can't Refuse
33% of 3 decks +13% synergy
Brainstorm
33% of 3 decks +12% synergy
Cyclonic Rift
33% of 3 decks +5% synergy
Sorceries
Sinister Waltz
100% of 1 decks +99% synergy
Breach the Multiverse
100% of 1 decks +95% synergy
Merciless Eviction
100% of 1 decks +95% synergy
Demonic Tutor
100% of 2 decks +78% synergy
Fabricate
67% of 3 decks +61% synergy
Bitter Ordeal
50% of 2 decks +50% synergy
Mirage Mockery
50% of 2 decks +49% synergy
Alchemist's Gambit
50% of 2 decks +49% synergy
Rousing Refrain
50% of 2 decks +49% synergy
Cut a Deal
50% of 2 decks +47% synergy
Cleansing Nova
50% of 2 decks +46% synergy
Buried Alive
50% of 2 decks +44% synergy
Wrath of God
50% of 2 decks +43% synergy
Read the Bones
50% of 2 decks +42% synergy
Sign in Blood
50% of 2 decks +40% synergy
Victimize
50% of 2 decks +38% synergy
Supreme Verdict
50% of 2 decks +36% synergy
Reanimate
50% of 2 decks +34% synergy
Jeska's Will
50% of 2 decks +32% synergy
Feed the Swarm
50% of 2 decks +32% synergy
Part the Waterveil
33% of 3 decks +33% synergy
Capture of Jingzhou
33% of 3 decks +33% synergy
Saheeli's Artistry
33% of 3 decks +33% synergy
Plea for Power
33% of 3 decks +33% synergy
Walk the Aeons
33% of 3 decks +32% synergy
Stolen Identity
33% of 3 decks +32% synergy
Temporal Manipulation
33% of 3 decks +32% synergy
Temporal Trespass
33% of 3 decks +32% synergy
Cut Your Losses
33% of 3 decks +32% synergy
Karn's Temporal Sundering
33% of 3 decks +32% synergy
Temporal Mastery
33% of 3 decks +32% synergy
Time Warp
33% of 3 decks +31% synergy
Ravenform
33% of 3 decks +30% synergy
Utility Artifacts
Immovable Rod
50% of 2 decks +50% synergy
Unbender Tine
50% of 2 decks +50% synergy
Battlemage's Bracers
50% of 2 decks +49% synergy
Wand of Wonder
50% of 2 decks +48% synergy
Halo Fountain
50% of 2 decks +47% synergy
Time Sieve
50% of 2 decks +47% synergy
Witchbane Orb
33% of 3 decks +33% synergy
Decimator Web
33% of 3 decks +33% synergy
Phyrexian Processor
33% of 3 decks +33% synergy
Ring of Evos Isle
33% of 3 decks +33% synergy
Magistrate's Scepter
33% of 3 decks +33% synergy
Ring of Valkas
33% of 3 decks +33% synergy
Treasure Chest
33% of 3 decks +33% synergy
Throne of Geth
33% of 3 decks +33% synergy
Chaos Wand
33% of 3 decks +33% synergy
Sword of Light and Shadow
33% of 3 decks +33% synergy
Tamiyo's Journal
33% of 3 decks +33% synergy
Treasure Map
33% of 3 decks +32% synergy
Illusionist's Bracers
33% of 3 decks +32% synergy
Lithoform Engine
33% of 3 decks +32% synergy
Hammer of Nazahn
33% of 3 decks +32% synergy
Portal to Phyrexia
33% of 3 decks +31% synergy
Sculpting Steel
33% of 3 decks +31% synergy
Sword of Feast and Famine
33% of 3 decks +31% synergy
Helm of the Host
33% of 3 decks +30% synergy
Expedition Map
33% of 3 decks +30% synergy
Sensei's Divining Top
33% of 3 decks +28% synergy
Lightning Greaves
33% of 3 decks +8% synergy
Swiftfoot Boots
33% of 3 decks +5% synergy
Enchantments
Court of Vantress
100% of 1 decks +98% synergy
Struggle for Project Purity
100% of 1 decks +97% synergy
Virtue of Persistence
100% of 1 decks +97% synergy
Jeskai Ascendancy
100% of 1 decks +94% synergy
Smothering Tithe
100% of 2 decks +75% synergy
Artificer Class
67% of 3 decks +66% synergy
Mechanized Production
67% of 3 decks +64% synergy
Minimus Containment
50% of 2 decks +49% synergy
Braid of Fire
50% of 2 decks +49% synergy
Storm the Vault
50% of 2 decks +47% synergy
Anointed Procession
50% of 2 decks +41% synergy
Animate Dead
50% of 2 decks +41% synergy
Ghostly Prison
50% of 2 decks +38% synergy
Kumena's Awakening
33% of 3 decks +33% synergy
Vesuvan Duplimancy
33% of 3 decks +32% synergy
As Foretold
33% of 3 decks +31% synergy
Mystic Remora
33% of 3 decks +15% synergy
Rhystic Study
33% of 3 decks +5% synergy
Planeswalkers
Narset of the Ancient Way
100% of 1 decks +97% synergy
Teferi, Who Slows the Sunset
50% of 2 decks +48% synergy
Saheeli, Sublime Artificer
50% of 2 decks +45% synergy
Karn, Scion of Urza
33% of 3 decks +33% synergy
Karn, the Great Creator
33% of 3 decks +32% synergy
Utility Lands
Minas Morgul, Dark Fortress
100% of 1 decks +98% synergy
The Black Gate
100% of 1 decks +96% synergy
Ancient Den
100% of 2 decks +95% synergy
Inventors' Fair
67% of 3 decks +63% synergy
Seat of the Synod
67% of 3 decks +60% synergy
Vault of Whispers
50% of 2 decks +46% synergy
Shizo, Death's Storehouse
50% of 2 decks +45% synergy
Great Furnace
50% of 2 decks +44% synergy
Mirrorpool
33% of 3 decks +33% synergy
Darksteel Citadel
33% of 3 decks +29% synergy
Minamo, School at Water's Edge
33% of 3 decks +29% synergy
Buried Ruin
33% of 3 decks +28% synergy
Urborg, Tomb of Yawgmoth
33% of 3 decks +23% synergy
Otawara, Soaring City
33% of 3 decks +16% synergy
Rogue's Passage
33% of 3 decks +14% synergy
Mana Artifacts
Boros Signet
100% of 1 decks +76% synergy
Talisman of Hierarchy
100% of 1 decks +75% synergy
Talisman of Indulgence
100% of 1 decks +74% synergy
Orzhov Signet
100% of 1 decks +73% synergy
Talisman of Dominance
100% of 2 decks +69% synergy
Arcane Signet
100% of 3 decks +28% synergy
Sol Ring
100% of 3 decks +16% synergy
Talisman of Progress
50% of 2 decks +27% synergy
Azorius Signet
50% of 2 decks +24% synergy
Izzet Signet
50% of 2 decks +22% synergy
Talisman of Creativity
50% of 2 decks +21% synergy
Dimir Signet
50% of 2 decks +20% synergy
Powerstone Shard
33% of 3 decks +33% synergy
Lotus Blossom
33% of 3 decks +33% synergy
Slagstone Refinery
33% of 3 decks +33% synergy
Sisay's Ring
33% of 3 decks +33% synergy
Blinkmoth Urn
33% of 3 decks +33% synergy
Stonespeaker Crystal
33% of 3 decks +33% synergy
Coveted Jewel
33% of 3 decks +32% synergy
Replicating Ring
33% of 3 decks +32% synergy
Chromatic Orrery
33% of 3 decks +32% synergy
Patriar's Seal
33% of 3 decks +31% synergy
Gilded Lotus
33% of 3 decks +30% synergy
Liquimetal Torque
33% of 3 decks +30% synergy
Thran Dynamo
33% of 3 decks +28% synergy
Lands
Drossforge Bridge
100% of 1 decks +96% synergy
Goldmire Bridge
100% of 1 decks +95% synergy
Rustvale Bridge
100% of 1 decks +95% synergy
Needleverge Pathway
100% of 1 decks +91% synergy
Thundering Falls
100% of 1 decks +89% synergy
Raucous Theater
100% of 1 decks +87% synergy
Badlands
100% of 1 decks +86% synergy
Undercity Sewers
100% of 1 decks +86% synergy
Sundown Pass
100% of 1 decks +85% synergy
Spectator Seating
100% of 1 decks +75% synergy
Battlefield Forge
100% of 1 decks +75% synergy
Mystic Monastery
100% of 1 decks +74% synergy
Luxury Suite
100% of 1 decks +74% synergy
Raugrin Triome
100% of 1 decks +73% synergy
Xander's Lounge
100% of 1 decks +72% synergy
Sacred Foundry
100% of 1 decks +64% synergy
Blood Crypt
100% of 1 decks +61% synergy
Steam Vents
100% of 2 decks +61% synergy
Watery Grave
100% of 2 decks +59% synergy
Command Tower
100% of 3 decks +26% synergy
Sejiri Refuge
50% of 2 decks +48% synergy
Volatile Fjord
50% of 2 decks +48% synergy
Azorius Guildgate
50% of 2 decks +45% synergy
Mistvault Bridge
50% of 2 decks +45% synergy
Silverbluff Bridge
50% of 2 decks +44% synergy
Razortide Bridge
50% of 2 decks +43% synergy
Volcanic Island
50% of 2 decks +36% synergy
Underground Sea
50% of 2 decks +36% synergy
Azorius Chancery
50% of 2 decks +35% synergy
Temple of Epiphany
50% of 2 decks +32% synergy
Training Center
50% of 2 decks +22% synergy
Sulfur Falls
50% of 2 decks +20% synergy
Prairie Stream
50% of 2 decks +16% synergy
Hallowed Fountain
50% of 2 decks +9% synergy
Mirrodin's Core
33% of 3 decks +33% synergy
Glimmervoid
33% of 3 decks +33% synergy
Power Depot
33% of 3 decks +33% synergy
Reflecting Pool
33% of 3 decks +28% synergy
City of Brass
33% of 3 decks +25% synergy
Fabled Passage
33% of 3 decks +24% synergy
Bloodstained Mire
33% of 3 decks +23% synergy
Scalding Tarn
33% of 3 decks +22% synergy
Polluted Delta
33% of 3 decks +22% synergy
Marsh Flats
33% of 3 decks +22% synergy
Path of Ancestry
33% of 3 decks +12% synergy
Exotic Orchard
33% of 3 decks -2% synergy