Osgir, the Reconstructor + Ugin's Nexus + Mirror of Fate + Codex Shredder

Osgir, the Reconstructor
Ugin's Nexus
Mirror of Fate
Codex Shredder

Requires
Osgir, the Reconstructor must be on the battlefield. Ugin's Nexus must be in the graveyard. Mirror of Fate must be in the graveyard. Codex Shredder must be on the battlefield. Osgir does not have summoning sickness. You have at least one card in exile. Mana needed: 6 (at most) each turn
Steps
  1. Activate Osgir's second ability by paying 5, tapping it and exiling Ugin's Nexus from your graveyard, creating two token copies of Ugin's Nexus.
  2. Exile one of the Ugin's Nexus copies due to the legend rule, causing you to take an extra turn after this one.
  3. Activate Osgir's first ability by paying 1 and sacrificing the remaining Ugin's Nexus token.
  4. The Ugin's Nexus token is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
  5. Resolve the Osgir ability, giving a creature you control +2/+0 until end of turn.
  6. Move to your first extra turn.
  7. If you do not control a Mirror of Fate token, activate Osgir's second ability by paying 5, tapping it and exiling Mirror of Fate from your graveyard, creating two token copies of Mirror of Fate.
  8. Activate a Mirror of Fate token by tapping and sacrificing it, choosing Ugin's Nexus, any other card in exile, Mirror of Fate and up to four other cards in exile, then exiling your library and putting the chosen cards on top in the aforementioned order.
  9. Activate Codex Shredder's first ability by tapping it, causing you to mill Ugin's Nexus.
  10. Move to your second extra turn.
  11. Activate Codex Shredder's first ability by tapping it, causing you to mill Mirror of Fate.
  12. Repeat.
Results
Infinite turns.

Osgir, the Reconstructor
1.24% of 5657 decks 70 decks
New Cards
Marvin, Murderous Mimic
100% of 4 decks +84% synergy
High Synergy Cards
Ancient Den
97% of 70 decks +85% synergy
Goblin Engineer
90% of 70 decks +84% synergy
Great Furnace
96% of 70 decks +84% synergy
Oswald Fiddlebender
89% of 70 decks +83% synergy
Darksteel Citadel
91% of 70 decks +83% synergy
Goblin Welder
77% of 70 decks +72% synergy
Rings of Brighthearth
70% of 70 decks +67% synergy
Ichor Wellspring
71% of 70 decks +67% synergy
Ethersworn Canonist
71% of 70 decks +66% synergy
Gamble
73% of 70 decks +65% synergy
Top Cards
Swords to Plowshares
94% of 70 decks +26% synergy
Faithless Looting
79% of 70 decks +60% synergy
Esper Sentinel
71% of 70 decks +44% synergy
Thousand-Year Elixir
69% of 70 decks +64% synergy
Karn, the Great Creator
63% of 70 decks +61% synergy
Cursed Mirror
63% of 70 decks +55% synergy
Basalt Monolith
61% of 70 decks +58% synergy
Lightning Greaves
61% of 70 decks +34% synergy
Enlightened Tutor
60% of 70 decks +42% synergy
Mind Stone
57% of 70 decks +26% synergy
Creatures
Imperial Recruiter
51% of 70 decks +39% synergy
Solemn Simulacrum
44% of 70 decks +21% synergy
Zirda, the Dawnwaker
43% of 70 decks +37% synergy
Kuldotha Forgemaster
41% of 70 decks +40% synergy
Drannith Magistrate
40% of 70 decks +33% synergy
Ocelot Pride
38% of 13 decks +29% synergy
Archivist of Oghma
37% of 65 decks +29% synergy
Ranger-Captain of Eos
36% of 70 decks +31% synergy
Foundry Inspector
36% of 70 decks +27% synergy
Grand Abolisher
36% of 70 decks +25% synergy
Lodestone Golem
34% of 70 decks +34% synergy
Walking Ballista
33% of 70 decks +31% synergy
Angel of the Ruins
33% of 70 decks +29% synergy
Archon of Emeria
30% of 70 decks +24% synergy
Wurmcoil Engine
29% of 70 decks +25% synergy
Combustible Gearhulk
27% of 70 decks +22% synergy
Dockside Extortionist
27% of 70 decks +17% synergy
Myr Battlesphere
26% of 70 decks +21% synergy
Eidolon of Rhetoric
26% of 70 decks +21% synergy
Aven Mindcensor
26% of 70 decks +19% synergy
Scrap Trawler
24% of 70 decks +20% synergy
Phyrexian Censor
23% of 47 decks +22% synergy
Mondrak, Glory Dominus
23% of 53 decks +12% synergy
Boromir, Warden of the Tower
22% of 40 decks +14% synergy
Meteor Golem
21% of 70 decks +18% synergy
Bronze Guardian
21% of 70 decks +16% synergy
Skrelv, Defector Mite
20% of 54 decks +12% synergy
Myr Retriever
20% of 70 decks +17% synergy
Witch Enchanter
20% of 20 decks +3% synergy
Illustrious Wanderglyph
19% of 31 decks +15% synergy
Recruiter of the Guard
17% of 70 decks +10% synergy
Quicksmith Genius
16% of 70 decks +13% synergy
Giver of Runes
16% of 70 decks +9% synergy
Stoneforge Mystic
16% of 70 decks +4% synergy
Ruin Grinder
14% of 70 decks +13% synergy
Triplicate Titan
14% of 70 decks +12% synergy
Steel Hellkite
14% of 70 decks +11% synergy
Aven Interrupter
14% of 21 decks +10% synergy
Alibou, Ancient Witness
14% of 70 decks +9% synergy
Thalia, Guardian of Thraben
14% of 70 decks +8% synergy
Ragavan, Nimble Pilferer
14% of 70 decks +6% synergy
Ornithopter of Paradise
14% of 70 decks +2% synergy
Mother of Runes
14% of 70 decks -1% synergy
Lion Sash
14% of 66 decks +2% synergy
Liberator, Urza's Battlethopter
13% of 60 decks +12% synergy
Queen Kayla bin-Kroog
13% of 60 decks +12% synergy
Hushbringer
13% of 70 decks +12% synergy
Hellkite Tyrant
13% of 70 decks +10% synergy
Reckless Fireweaver
13% of 70 decks +8% synergy
Simian Spirit Guide
13% of 70 decks +8% synergy
Instants
Dispatch
50% of 70 decks +37% synergy
Deflecting Swat
39% of 70 decks +23% synergy
Pull from Eternity
34% of 70 decks +33% synergy
Generous Gift
34% of 70 decks -6% synergy
Path to Exile
34% of 70 decks -22% synergy
Abrade
31% of 70 decks +18% synergy
Wear // Tear
31% of 70 decks +6% synergy
Silence
30% of 70 decks +24% synergy
Boros Charm
30% of 70 decks -24% synergy
Pyroblast
29% of 70 decks +23% synergy
Teferi's Protection
26% of 70 decks +6% synergy
Demand Answers
23% of 30 decks +14% synergy
Red Elemental Blast
23% of 70 decks +17% synergy
Reprieve
18% of 49 decks +10% synergy
Heliod's Intervention
17% of 70 decks +15% synergy
Tibalt's Trickery
17% of 70 decks +11% synergy
Chaos Warp
17% of 70 decks -17% synergy
Thrill of Possibility
11% of 70 decks -2% synergy
Return to Dust
10% of 70 decks +3% synergy
Blacksmith's Skill
10% of 70 decks +3% synergy
Valakut Awakening
10% of 70 decks +2% synergy
Sejiri Shelter
10% of 70 decks +1% synergy
Get Lost
9% of 33 decks +4% synergy
Lightning Bolt
9% of 70 decks -1% synergy
Surge of Salvation
9% of 47 decks +4% synergy
Fateful Absence
6% of 68 decks +5% synergy
Clever Concealment
6% of 52 decks -3% synergy
Settle the Wreckage
6% of 70 decks +4% synergy
Sorceries
Reckless Handling
54% of 46 decks +49% synergy
Jeska's Will
37% of 70 decks +17% synergy
Blasphemous Act
34% of 70 decks +1% synergy
Sevinne's Reclamation
29% of 70 decks +17% synergy
Fervent Mastery
24% of 70 decks +24% synergy
Vandalblast
24% of 70 decks +9% synergy
Shatterskull Smashing
19% of 70 decks +13% synergy
Vanquish the Horde
18% of 68 decks +13% synergy
Wheel of Misfortune
16% of 70 decks +12% synergy
Farewell
15% of 66 decks +4% synergy
Trash for Treasure
13% of 70 decks +11% synergy
Austere Command
13% of 70 decks -4% synergy
Winds of Abandon
11% of 70 decks +9% synergy
Wake the Past
11% of 70 decks +7% synergy
Armageddon
10% of 70 decks +9% synergy
Saheeli's Directive
10% of 70 decks +9% synergy
Search for Glory
10% of 70 decks +8% synergy
Wheel of Fortune
10% of 70 decks +7% synergy
Tormenting Voice
10% of 70 decks +7% synergy
Cathartic Reunion
10% of 70 decks +6% synergy
Thrilling Discovery
9% of 70 decks +1% synergy
Scrap Mastery
7% of 70 decks +6% synergy
Wrath of God
7% of 70 decks +0% synergy
Act on Impulse
6% of 70 decks +5% synergy
Emeria's Call
6% of 70 decks +3% synergy
Utility Artifacts
Vexing Bauble
56% of 16 decks +54% synergy
Mishra's Bauble
53% of 70 decks +51% synergy
Mystic Forge
46% of 70 decks +42% synergy
Dusk Rose Reliquary
42% of 33 decks +41% synergy
Sensei's Divining Top
41% of 70 decks +39% synergy
The One Ring
39% of 49 decks +33% synergy
Sculpting Steel
37% of 70 decks +32% synergy
Urza's Bauble
34% of 70 decks +34% synergy
Staff of Domination
34% of 70 decks +32% synergy
Moonsilver Key
32% of 68 decks +30% synergy
Soul-Guide Lantern
29% of 70 decks +26% synergy
Mycosynth Lattice
26% of 70 decks +25% synergy
Thorn of Amethyst
26% of 70 decks +23% synergy
Swiftfoot Boots
26% of 70 decks -19% synergy
Grafdigger's Cage
24% of 70 decks +24% synergy
Brass's Tunnel-Grinder
24% of 33 decks +21% synergy
Krark-Clan Ironworks
23% of 70 decks +21% synergy
Portable Hole
21% of 70 decks +21% synergy
Expedition Map
21% of 70 decks +20% synergy
Cloud Key
21% of 70 decks +20% synergy
Illusionist's Bracers
21% of 70 decks +18% synergy
Pithing Needle
19% of 70 decks +18% synergy
Grinding Station
19% of 70 decks +18% synergy
God-Pharaoh's Statue
17% of 70 decks +17% synergy
Torpor Orb
17% of 70 decks +17% synergy
Manifold Key
17% of 70 decks +16% synergy
Archaeomancer's Map
17% of 70 decks +8% synergy
Halo Fountain
17% of 65 decks +14% synergy
Portal to Phyrexia
17% of 60 decks +16% synergy
Winter Orb
16% of 70 decks +15% synergy
Mirage Mirror
16% of 70 decks +14% synergy
Battlemage's Bracers
16% of 70 decks +12% synergy
Agatha's Soul Cauldron
15% of 34 decks +14% synergy
Trinisphere
14% of 70 decks +14% synergy
Palantír of Orthanc
14% of 35 decks +13% synergy
Hedron Archive
14% of 70 decks +10% synergy
Idol of Oblivion
14% of 70 decks +3% synergy
Conjurer's Bauble
13% of 70 decks +12% synergy
Damping Sphere
13% of 70 decks +12% synergy
Isochron Scepter
13% of 70 decks +12% synergy
Wayfarer's Bauble
13% of 70 decks -3% synergy
Nexus of Becoming
12% of 24 decks +12% synergy
Mesmeric Orb
11% of 70 decks +11% synergy
Tormod's Crypt
11% of 70 decks +11% synergy
Trading Post
11% of 70 decks +10% synergy
Key to the City
11% of 70 decks +10% synergy
Mycosynth Wellspring
11% of 70 decks +9% synergy
Conqueror's Flail
11% of 70 decks +8% synergy
Weathered Runestone
10% of 70 decks +10% synergy
Knowledge Pool
10% of 70 decks +10% synergy
Enchantments
High Noon
38% of 24 decks +33% synergy
Smothering Tithe
36% of 70 decks +13% synergy
Deafening Silence
33% of 70 decks +28% synergy
Rule of Law
29% of 70 decks +26% synergy
Blind Obedience
27% of 70 decks +24% synergy
Anointed Procession
26% of 70 decks +16% synergy
Trouble in Pairs
23% of 26 decks +11% synergy
Darksteel Mutation
17% of 70 decks +12% synergy
Blood Moon
16% of 70 decks +14% synergy
Ghostly Prison
14% of 70 decks +7% synergy
Underworld Breach
13% of 70 decks +11% synergy
Stranglehold
7% of 70 decks +7% synergy
Bitter Reunion
7% of 60 decks +4% synergy
All Will Be One
6% of 52 decks +5% synergy
Possibility Storm
6% of 70 decks +5% synergy
Paladin Class
6% of 70 decks +4% synergy
Planeswalkers
Daretti, Scrap Savant
51% of 70 decks +46% synergy
Ugin, the Ineffable
10% of 70 decks +8% synergy
Nahiri, the Harbinger
9% of 70 decks +6% synergy
Utility Lands
Arena of Glory
62% of 13 decks +48% synergy
Inventors' Fair
59% of 70 decks +50% synergy
Fomori Vault
57% of 21 decks +55% synergy
Urza's Saga
57% of 70 decks +47% synergy
Treasure Vault
50% of 70 decks +48% synergy
Monumental Henge
42% of 19 decks +34% synergy
Buried Ruin
41% of 70 decks +26% synergy
Ancient Tomb
37% of 70 decks +28% synergy
Slayers' Stronghold
26% of 70 decks -2% synergy
Eiganjo, Seat of the Empire
20% of 66 decks +4% synergy
Secluded Steppe
19% of 70 decks +11% synergy
Forgotten Cave
17% of 70 decks +9% synergy
Phyrexia's Core
16% of 70 decks +14% synergy
Rogue's Passage
16% of 70 decks -15% synergy
Urza's Tower
14% of 70 decks +13% synergy
Urza's Mine
14% of 70 decks +13% synergy
Urza's Power Plant
14% of 70 decks +13% synergy
Command Beacon
11% of 70 decks +6% synergy
Bazaar of Baghdad
10% of 70 decks +10% synergy
War Room
10% of 70 decks -1% synergy
Reliquary Tower
10% of 70 decks -8% synergy
Geier Reach Sanitarium
9% of 70 decks +6% synergy
Sunhome, Fortress of the Legion
9% of 70 decks -13% synergy
Inkmoth Nexus
7% of 70 decks +5% synergy
Karn's Bastion
7% of 70 decks +3% synergy
Roadside Reliquary
6% of 66 decks +5% synergy
Remote Farm
6% of 70 decks +5% synergy
Mishra's Workshop
6% of 70 decks +5% synergy
Mana Artifacts
Sol Ring
99% of 70 decks +12% synergy
Arcane Signet
87% of 70 decks +7% synergy
Boros Signet
54% of 70 decks -5% synergy
Talisman of Conviction
53% of 70 decks -1% synergy
Mox Opal
44% of 70 decks +40% synergy
Coveted Jewel
43% of 70 decks +41% synergy
Mana Vault
43% of 70 decks +38% synergy
Lotus Petal
40% of 70 decks +35% synergy
Jeweled Lotus
36% of 70 decks +31% synergy
Chromatic Star
34% of 70 decks +33% synergy
Mana Crypt
30% of 70 decks +23% synergy
Fellwar Stone
30% of 70 decks +4% synergy
Lotus Bloom
27% of 70 decks +26% synergy
Chrome Mox
26% of 70 decks +21% synergy
Chromatic Sphere
23% of 70 decks +22% synergy
Liquimetal Torque
21% of 70 decks +16% synergy
Thran Dynamo
19% of 70 decks +13% synergy
Mox Diamond
16% of 70 decks +13% synergy
Commander's Sphere
16% of 70 decks -5% synergy
Sol Talisman
14% of 70 decks +13% synergy
Lion's Eye Diamond
11% of 70 decks +11% synergy
Grim Monolith
11% of 70 decks +10% synergy
Patriar's Seal
11% of 65 decks +7% synergy
Mox Amber
10% of 70 decks +5% synergy
Vexing Puzzlebox
8% of 65 decks +7% synergy
Arcum's Astrolabe
7% of 70 decks +7% synergy
Gilded Lotus
7% of 70 decks +5% synergy
Blinkmoth Urn
6% of 70 decks +5% synergy
Mox Tantalite
6% of 70 decks +5% synergy
Lands
Command Tower
96% of 70 decks +9% synergy
Battlefield Forge
80% of 70 decks +23% synergy
Sacred Foundry
71% of 70 decks +28% synergy
Spectator Seating
64% of 70 decks +21% synergy
Arid Mesa
59% of 70 decks +29% synergy
Rustvale Bridge
54% of 70 decks +41% synergy
Clifftop Retreat
44% of 70 decks -13% synergy
Elegant Parlor
43% of 30 decks +22% synergy
Exotic Orchard
41% of 70 decks +14% synergy
Needleverge Pathway
41% of 70 decks +12% synergy
Spire of Industry
39% of 70 decks +34% synergy
The Mycosynth Gardens
31% of 54 decks +27% synergy
Sunbaked Canyon
29% of 70 decks +13% synergy
Sundown Pass
28% of 67 decks -7% synergy
Boros Garrison
27% of 70 decks -16% synergy
Marsh Flats
26% of 70 decks +18% synergy
Plateau
26% of 70 decks +13% synergy
Rugged Prairie
24% of 70 decks -11% synergy
Temple of Triumph
24% of 70 decks -17% synergy
Sunscorched Divide
23% of 26 decks +2% synergy
Furycalm Snarl
21% of 70 decks -21% synergy
Power Depot
19% of 70 decks +16% synergy
Wooded Foothills
19% of 70 decks +13% synergy
Prismatic Vista
19% of 70 decks +11% synergy
Gemstone Caverns
17% of 70 decks +13% synergy
Windswept Heath
17% of 70 decks +10% synergy
Flooded Strand
16% of 70 decks +9% synergy
Urza's Cave
15% of 20 decks +14% synergy
Scalding Tarn
14% of 70 decks +8% synergy
Bloodstained Mire
13% of 70 decks +6% synergy
Mana Confluence
11% of 70 decks +7% synergy
City of Brass
11% of 70 decks +6% synergy
Inspiring Vantage
11% of 70 decks -2% synergy
Lorehold Campus
10% of 70 decks +4% synergy
Myriad Landscape
10% of 70 decks -17% synergy
Cavern of Souls
7% of 70 decks +2% synergy
Study Hall
6% of 70 decks +5% synergy
Ash Barrens
6% of 70 decks +1% synergy
Alpine Meadow
6% of 70 decks -4% synergy