Ugin's Nexus + Tamiyo's Compleation + Mechanized Production

Ugin's Nexus
Tamiyo's Compleation
Mechanized Production

Requires
Ugin's Nexus must be on the battlefield. Tamiyo's Compleation must be on the battlefield. Mechanized Production must be on the battlefield.
Steps
  1. At the beginning of your upkeep, Mechanized Production triggers, creating a token copy of Ugin's Nexus.
  2. The token copy of Ugin's Nexus is put into exile as a state based action due to the legend rule, causing you to take an extra turn after this one.
  3. Move to your next turn.
  4. Repeat.
Results
Infinite turns.

Mirko, Obsessive Theorist
0.01% of 6881 decks 1 decks
Urza, Chief Artificer
0.01% of 14187 decks 1 decks
Tawnos, Solemn Survivor
0.10% of 987 decks 1 decks
Falco Spara, Pactweaver
0.02% of 4552 decks 1 decks
Jin-Gitaxias, Progress Tyrant
0.06% of 1697 decks 1 decks
Arcum Dagsson
0.06% of 1541 decks 1 decks
Kruphix, God of Horizons
0.03% of 3432 decks 1 decks
Muldrotha, the Gravetide
0.01% of 17383 decks 1 decks
Morska, Undersea Sleuth
0.02% of 6076 decks 1 decks
The Reality Chip
0.07% of 1425 decks 1 decks
Dynaheir, Invoker Adept
0.07% of 1373 decks 1 decks
Lara Croft, Tomb Raider
0.03% of 2975 decks 1 decks
Aminatou, the Fateshifter
0.02% of 6195 decks 1 decks
Jacob Hauken, Inspector
0.08% of 1201 decks 1 decks
New Cards
Avishkar Raceway
25% of 4 decks +24% synergy
Repurposing Bay
25% of 4 decks +24% synergy
Slick Imitator
25% of 4 decks +25% synergy
Stock Up
25% of 4 decks +24% synergy
High Synergy Cards
Ancient Den
67% of 6 decks +62% synergy
Artificer Class
57% of 14 decks +56% synergy
Fabricate
57% of 14 decks +51% synergy
Etherium Sculptor
50% of 14 decks +45% synergy
Seat of the Synod
43% of 14 decks +37% synergy
Unwinding Clock
36% of 14 decks +33% synergy
Emry, Lurker of the Loch
36% of 14 decks +32% synergy
Foundry Inspector
36% of 14 decks +32% synergy
Academy Ruins
36% of 14 decks +31% synergy
Extravagant Replication
29% of 14 decks +27% synergy
Top Cards
Swords to Plowshares
83% of 6 decks +21% synergy
Counterspell
43% of 14 decks +0% synergy
An Offer You Can't Refuse
29% of 14 decks +7% synergy
Negate
29% of 14 decks +6% synergy
Swiftfoot Boots
29% of 14 decks +1% synergy
Game Changers
Smothering Tithe
50% of 6 decks +26% synergy
Urza, Lord High Artificer
36% of 14 decks +33% synergy
Rhystic Study
36% of 14 decks +9% synergy
Mystical Tutor
21% of 14 decks +7% synergy
Cyclonic Rift
21% of 14 decks -5% synergy
Creatures
Esper Sentinel
50% of 6 decks +30% synergy
Drafna, Founder of Lat-Nam
21% of 14 decks +21% synergy
Timestream Navigator
21% of 14 decks +21% synergy
Master Transmuter
21% of 14 decks +20% synergy
Jhoira's Familiar
21% of 14 decks +20% synergy
Myr Battlesphere
21% of 14 decks +20% synergy
Jin-Gitaxias, Progress Tyrant
21% of 14 decks +19% synergy
Padeem, Consul of Innovation
21% of 14 decks +18% synergy
Hullbreaker Horror
21% of 14 decks +14% synergy
Instants
Fact or Fiction
21% of 14 decks +15% synergy
Sorceries
Time Warp
21% of 14 decks +19% synergy
Ravenform
21% of 14 decks +19% synergy
Utility Artifacts
Mindslaver
21% of 14 decks +21% synergy
Tamiyo's Journal
21% of 14 decks +21% synergy
Darksteel Forge
21% of 14 decks +20% synergy
Inspiring Statuary
21% of 14 decks +20% synergy
Mystic Forge
21% of 14 decks +19% synergy
Expedition Map
21% of 14 decks +18% synergy
Sensei's Divining Top
21% of 14 decks +16% synergy
Lightning Greaves
21% of 14 decks -4% synergy
Enchantments
Mirrodin Besieged
21% of 14 decks +20% synergy
Planeswalkers
Karn, the Great Creator
21% of 14 decks +20% synergy
Utility Lands
Reliquary Tower
36% of 14 decks +6% synergy
Inventors' Fair
29% of 14 decks +25% synergy
Buried Ruin
29% of 14 decks +24% synergy
Darksteel Citadel
21% of 14 decks +18% synergy
Minamo, School at Water's Edge
21% of 14 decks +17% synergy
Urza's Saga
21% of 14 decks +14% synergy
Mystic Sanctuary
21% of 14 decks +10% synergy
Otawara, Soaring City
21% of 14 decks +5% synergy
Mana Artifacts
Sol Ring
93% of 14 decks +9% synergy
Arcane Signet
57% of 14 decks -15% synergy
Thought Vessel
29% of 14 decks +11% synergy
Empowered Autogenerator
21% of 14 decks +21% synergy
Thran Dynamo
21% of 14 decks +17% synergy
Lands
Yavimaya Coast
80% of 5 decks +53% synergy
Hallowed Fountain
67% of 6 decks +26% synergy
Command Tower
64% of 14 decks -10% synergy
Watery Grave
60% of 5 decks +20% synergy
Breeding Pool
60% of 5 decks +20% synergy
Razortide Bridge
50% of 6 decks +43% synergy
Azorius Chancery
50% of 6 decks +35% synergy
Evolving Wilds
21% of 14 decks +1% synergy
Exotic Orchard
21% of 14 decks -15% synergy