Progenitor Mimic + Walk the Aeons + Eternal Witness

Progenitor Mimic
Walk the Aeons
Eternal Witness

Requires
Progenitor Mimic must be on the battlefield. Walk the Aeons must be on the battlefield. Eternal Witness must be on the battlefield. Enough mana available to cast the extra turn spell each turn. Progenitor Mimic is a copy of Eternal Witness.
Steps
  1. Cast Walk the Aeons by paying its mana cost, taking an extra turn after this one.
  2. At the beginning of your next upkeep, Progenitor Mimic triggers, creating a token copy of Eternal Witness.
  3. When the token Eternal Witness enters the battlefield, it triggers itself, returning Walk the Aeons from your graveyard to your hand.
  4. Repeat.
Results
Infinite turns.

Aesi, Tyrant of Gyre Strait
0.16% of 10392 decks 17 decks
Riku of Two Reflections
0.33% of 4895 decks 16 decks
Imoti, Celebrant of Bounty
0.25% of 4451 decks 11 decks
Maelstrom Wanderer
0.17% of 5785 decks 10 decks
Roon of the Hidden Realm
0.31% of 3233 decks 10 decks
Kinnan, Bonder Prodigy
0.03% of 12009 decks 4 decks
Felix Five-Boots
0.09% of 3292 decks 3 decks
Koma, Cosmos Serpent
0.06% of 5291 decks 3 decks
Rashmi, Eternities Crafter
0.10% of 2003 decks 2 decks
Grolnok, the Omnivore
0.04% of 5055 decks 2 decks
Chulane, Teller of Tales
0.03% of 7344 decks 2 decks
Kenrith, the Returned King
0.01% of 21513 decks 2 decks
Tatyova, Benthic Druid
0.03% of 5751 decks 2 decks
Slogurk, the Overslime
0.11% of 1770 decks 2 decks
Yarok, the Desecrated
0.02% of 10412 decks 2 decks
Animar, Soul of Elements
0.01% of 15877 decks 2 decks
Prime Speaker Zegana
0.31% of 641 decks 2 decks
Lagrella, the Magpie
0.13% of 1599 decks 2 decks
High Synergy Cards
Soulherder
76% of 17 decks +71% synergy
Preston, the Vanisher
70% of 10 decks +69% synergy
Eerie Interlude
71% of 17 decks +66% synergy
Ephemerate
65% of 17 decks +59% synergy
Knight of Autumn
59% of 17 decks +56% synergy
Momentary Blink
59% of 17 decks +56% synergy
Brago, King Eternal
59% of 17 decks +55% synergy
Yorion, Sky Nomad
53% of 17 decks +51% synergy
Felidar Guardian
53% of 17 decks +50% synergy
Teleportation Circle
53% of 17 decks +49% synergy
Top Cards
Swords to Plowshares
76% of 17 decks +14% synergy
Cultivate
60% of 111 decks +14% synergy
Kodama's Reach
54% of 111 decks +22% synergy
Beast Within
50% of 111 decks +11% synergy
Mistmeadow Witch
47% of 17 decks +46% synergy
Eldrazi Displacer
47% of 17 decks +46% synergy
Emiel the Blessed
47% of 17 decks +43% synergy
Avenger of Zendikar
46% of 111 decks +36% synergy
Counterspell
43% of 111 decks +0% synergy
Cloudblazer
41% of 17 decks +38% synergy
Creatures
Orochi Soul-Reaver
60% of 5 decks +58% synergy
Elesh Norn, Mother of Machines
43% of 7 decks +38% synergy
Karmic Guide
41% of 17 decks +37% synergy
Avacyn's Pilgrim
41% of 17 decks +26% synergy
Noble Hierarch
41% of 17 decks +25% synergy
Recruiter of the Guard
35% of 17 decks +32% synergy
Tireless Provisioner
35% of 104 decks +23% synergy
Tatyova, Benthic Druid
34% of 108 decks +22% synergy
Kiki-Jiki, Mirror Breaker
33% of 33 decks +30% synergy
Deadeye Navigator
32% of 111 decks +29% synergy
Azusa, Lost but Seeking
32% of 111 decks +24% synergy
Archaeomancer
31% of 111 decks +27% synergy
Sakura-Tribe Elder
31% of 111 decks +12% synergy
Coiling Oracle
30% of 111 decks +22% synergy
Ramunap Excavator
30% of 108 decks +23% synergy
Skyclave Apparition
29% of 17 decks +26% synergy
Reclamation Sage
28% of 111 decks +17% synergy
Dack's Duplicate
27% of 33 decks +26% synergy
Inferno Titan
27% of 33 decks +26% synergy
Peregrine Drake
27% of 111 decks +24% synergy
Rampaging Baloths
26% of 111 decks +19% synergy
Lotus Cobra
26% of 111 decks +19% synergy
Dockside Extortionist
26% of 31 decks +13% synergy
Wood Elves
25% of 111 decks +18% synergy
Fallen Shinobi
25% of 12 decks +21% synergy
Ravenous Chupacabra
25% of 12 decks +21% synergy
Muldrotha, the Gravetide
25% of 12 decks +19% synergy
Hullbreaker Horror
25% of 100 decks +18% synergy
Elves of Deep Shadow
25% of 12 decks +14% synergy
Baleful Strix
25% of 12 decks +12% synergy
Scute Swarm
25% of 106 decks +15% synergy
Mulldrifter
24% of 111 decks +18% synergy
Stonehorn Dignitary
24% of 17 decks +23% synergy
Reflector Mage
24% of 17 decks +22% synergy
Reveillark
24% of 17 decks +22% synergy
Birds of Paradise
23% of 111 decks -4% synergy
Llanowar Elves
22% of 111 decks +1% synergy
Etali, Primal Conqueror
21% of 14 decks +10% synergy
Zealous Conscripts
21% of 33 decks +19% synergy
Dualcaster Mage
21% of 33 decks +16% synergy
Kodama of the East Tree
21% of 105 decks +17% synergy
Farhaven Elf
21% of 111 decks +17% synergy
Nezahal, Primal Tide
19% of 108 decks +16% synergy
Etali, Primal Storm
19% of 31 decks +10% synergy
Oracle of Mul Daya
19% of 111 decks +13% synergy
Surrak Dragonclaw
18% of 33 decks +12% synergy
Acidic Slime
18% of 111 decks +14% synergy
Solemn Simulacrum
18% of 111 decks +4% synergy
Aethergeode Miner
18% of 17 decks +17% synergy
Aetherstorm Roc
18% of 17 decks +17% synergy
Instants
Lae'zel's Acrobatics
36% of 14 decks +34% synergy
Dovin's Veto
35% of 17 decks +16% synergy
Growth Spiral
33% of 108 decks +12% synergy
Semester's End
29% of 17 decks +27% synergy
Harrow
27% of 111 decks +17% synergy
Cyclonic Rift
27% of 111 decks -1% synergy
Dark Ritual
25% of 12 decks +3% synergy
Assassin's Trophy
25% of 12 decks -5% synergy
Negate
24% of 111 decks +1% synergy
Cloudshift
24% of 17 decks +20% synergy
Mystical Tutor
22% of 111 decks +7% synergy
Arcane Denial
22% of 111 decks +2% synergy
Entish Restoration
21% of 43 decks +13% synergy
Krosan Grip
20% of 111 decks +12% synergy
Ghostway
18% of 17 decks +17% synergy
Flicker of Fate
18% of 17 decks +16% synergy
Eladamri's Call
18% of 17 decks +6% synergy
Generous Gift
18% of 17 decks -8% synergy
Heroic Intervention
18% of 108 decks -12% synergy
Worldly Tutor
17% of 111 decks +3% synergy
Ghostly Flicker
16% of 111 decks +11% synergy
Brainstorm
16% of 111 decks -5% synergy
Chaos Warp
15% of 33 decks -17% synergy
Reality Shift
14% of 111 decks +5% synergy
Crop Rotation
14% of 111 decks +5% synergy
Nature's Claim
14% of 111 decks +4% synergy
Roiling Regrowth
13% of 106 decks +10% synergy
Mana Drain
13% of 111 decks -3% synergy
Mystic Confluence
12% of 108 decks +9% synergy
Rapid Hybridization
12% of 111 decks +2% synergy
An Offer You Can't Refuse
12% of 95 decks -9% synergy
Dig Through Time
11% of 111 decks +6% synergy
Nexus of Fate
10% of 108 decks +8% synergy
Valakut Awakening
10% of 30 decks +4% synergy
Plasm Capture
10% of 111 decks +8% synergy
Double Major
10% of 104 decks +6% synergy
Eureka Moment
10% of 104 decks +6% synergy
Manamorphose
9% of 33 decks +7% synergy
Capsize
9% of 111 decks +8% synergy
Chord of Calling
9% of 111 decks +3% synergy
Pongify
9% of 111 decks -3% synergy
Swan Song
9% of 111 decks -8% synergy
Fact or Fiction
8% of 111 decks +1% synergy
Mystic Reflection
8% of 104 decks +6% synergy
Cryptic Command
7% of 111 decks +5% synergy
Shared Summons
7% of 107 decks +5% synergy
Sublime Epiphany
7% of 107 decks +5% synergy
Narset's Reversal
7% of 107 decks +3% synergy
Voidslime
6% of 111 decks +5% synergy
Simic Charm
6% of 111 decks +3% synergy
Sorceries
Farseek
40% of 111 decks +5% synergy
Rampant Growth
39% of 111 decks +4% synergy
Nature's Lore
35% of 111 decks +3% synergy
Time Warp
34% of 111 decks +32% synergy
Wargate
29% of 17 decks +26% synergy
Rite of Replication
28% of 111 decks +25% synergy
Blasphemous Act
27% of 33 decks -6% synergy
Genesis Ultimatum
26% of 31 decks +20% synergy
Driven // Despair
25% of 12 decks +25% synergy
Diabolic Intent
25% of 12 decks +16% synergy
Feed the Swarm
25% of 12 decks +7% synergy
Three Visits
24% of 111 decks -0% synergy
Mythos of Illuna
23% of 31 decks +21% synergy
Explore
23% of 111 decks +13% synergy
Tooth and Nail
20% of 111 decks +18% synergy
Austere Command
18% of 17 decks +5% synergy
Skyshroud Claim
17% of 111 decks +8% synergy
Temporal Manipulation
16% of 111 decks +15% synergy
Urban Evolution
15% of 111 decks +11% synergy
Hull Breach
15% of 33 decks +10% synergy
Decimate
15% of 33 decks +7% synergy
Search for Tomorrow
14% of 111 decks +11% synergy
Doppelgang
14% of 28 decks +10% synergy
Explosive Vegetation
14% of 111 decks +10% synergy
Jeska's Will
13% of 30 decks -4% synergy
Bala Ged Recovery
13% of 106 decks +4% synergy
Irenicus's Vile Duplication
13% of 92 decks +9% synergy
Guided Passage
12% of 33 decks +11% synergy
Twinflame
12% of 33 decks +9% synergy
Vandalblast
12% of 33 decks -4% synergy
Part the Waterveil
12% of 108 decks +12% synergy
Karn's Temporal Sundering
12% of 108 decks +11% synergy
Temporal Mastery
11% of 111 decks +9% synergy
Green Sun's Zenith
11% of 111 decks +5% synergy
Neoform
10% of 107 decks +5% synergy
Rishkar's Expertise
10% of 108 decks -0% synergy
Time Stretch
10% of 111 decks +8% synergy
Escape to the Wilds
10% of 31 decks +6% synergy
Insurrection
9% of 33 decks +8% synergy
Preordain
9% of 111 decks -2% synergy
Last March of the Ents
9% of 45 decks +4% synergy
Alrund's Epiphany
9% of 104 decks +8% synergy
Open the Way
8% of 48 decks +6% synergy
Capture of Jingzhou
8% of 111 decks +7% synergy
Spitting Image
8% of 111 decks +7% synergy
Overwhelming Stampede
8% of 111 decks +2% synergy
Aminatou's Augury
7% of 108 decks +6% synergy
Scapeshift
7% of 111 decks +5% synergy
Regrowth
7% of 111 decks +4% synergy
Treasure Cruise
7% of 111 decks +2% synergy
Utility Artifacts
Conjurer's Closet
21% of 111 decks +19% synergy
Swiftfoot Boots
20% of 111 decks -8% synergy
Panharmonicon
19% of 108 decks +15% synergy
Crystal Shard
15% of 111 decks +14% synergy
Conduit of Worlds
15% of 59 decks +9% synergy
Lightning Greaves
14% of 111 decks -11% synergy
Sensei's Divining Top
11% of 111 decks +5% synergy
Strionic Resonator
9% of 111 decks +6% synergy
Crucible of Worlds
7% of 111 decks +5% synergy
Scroll Rack
6% of 111 decks +5% synergy
Altar of Dementia
6% of 111 decks +3% synergy
Realmbreaker, the Invasion Tree
6% of 53 decks +5% synergy
The Great Henge
6% of 107 decks -4% synergy
Helm of the Host
6% of 108 decks +2% synergy
The One Ring
6% of 54 decks -3% synergy
Mirror Box
5% of 98 decks +4% synergy
Enchantments
Monstrous Vortex
24% of 17 decks +20% synergy
Kozilek's Unsealing
22% of 18 decks +19% synergy
Virtue of Knowledge
22% of 37 decks +19% synergy
Exploration
19% of 111 decks +11% synergy
Call for Unity
18% of 17 decks +17% synergy
Aura Shards
18% of 17 decks +9% synergy
Zendikar Resurgent
18% of 108 decks +15% synergy
Rhystic Study
15% of 111 decks -13% synergy
Garruk's Uprising
15% of 107 decks -0% synergy
Wilderness Reclamation
13% of 108 decks +9% synergy
Rhythm of the Wild
13% of 31 decks -11% synergy
Virtue of Strength
11% of 37 decks +8% synergy
Sylvan Library
11% of 111 decks -1% synergy
Mystic Remora
11% of 111 decks -7% synergy
Mana Reflection
10% of 111 decks +8% synergy
Abundance
10% of 111 decks +7% synergy
Spelunking
10% of 31 decks +5% synergy
Retreat to Coralhelm
9% of 108 decks +7% synergy
Warstorm Surge
9% of 33 decks +4% synergy
Temur Ascendancy
9% of 33 decks -6% synergy
Khalni Heart Expedition
9% of 111 decks +7% synergy
Leyline of Anticipation
9% of 111 decks +4% synergy
Wild Growth
9% of 111 decks -2% synergy
Kenrith's Transformation
8% of 107 decks +2% synergy
Zendikar's Roil
8% of 109 decks +5% synergy
One with the Multiverse
8% of 78 decks +6% synergy
Guardian Project
7% of 108 decks -1% synergy
Trade Routes
7% of 111 decks +7% synergy
Defense of the Heart
7% of 111 decks +5% synergy
Burgeoning
7% of 111 decks +3% synergy
Utopia Sprawl
7% of 111 decks -0% synergy
Druid Class
7% of 103 decks +4% synergy
Retreat to Kazandu
6% of 108 decks +5% synergy
Followed Footsteps
6% of 111 decks +6% synergy
Freed from the Real
6% of 111 decks +4% synergy
Doubling Season
6% of 111 decks -3% synergy
Wizard Class
6% of 103 decks +1% synergy
Intruder Alarm
5% of 111 decks +3% synergy
Asceticism
5% of 111 decks +3% synergy
Propaganda
5% of 111 decks -6% synergy
Extravagant Replication
5% of 95 decks +4% synergy
Planeswalkers
Ral, Storm Conduit
10% of 31 decks +6% synergy
Kiora, Behemoth Beckoner
9% of 107 decks +6% synergy
Wrenn and Seven
7% of 101 decks +5% synergy
Oko, Thief of Crowns
6% of 107 decks -0% synergy
Nissa, Ascended Animist
5% of 58 decks +3% synergy
Utility Lands
Reliquary Tower
56% of 111 decks +26% synergy
Mystic Sanctuary
28% of 107 decks +16% synergy
Temple of the False God
26% of 111 decks +16% synergy
Bojuka Bog
25% of 12 decks -5% synergy
Alchemist's Refuge
23% of 111 decks +16% synergy
Mosswort Bridge
16% of 111 decks +6% synergy
Yavimaya, Cradle of Growth
15% of 104 decks +6% synergy
Boseiju, Who Endures
10% of 98 decks -9% synergy
Lumbering Falls
10% of 108 decks +8% synergy
Field of the Dead
9% of 107 decks +6% synergy
Ghost Quarter
8% of 111 decks +6% synergy
Guildless Commons
8% of 105 decks +6% synergy
Lotus Field
7% of 107 decks +6% synergy
Command Beacon
7% of 108 decks +3% synergy
Scavenger Grounds
6% of 108 decks +3% synergy
Thespian's Stage
6% of 111 decks +4% synergy
Strip Mine
6% of 111 decks +3% synergy
Rogue's Passage
6% of 111 decks -13% synergy
Otawara, Soaring City
6% of 98 decks -11% synergy
Gaea's Cradle
5% of 111 decks -0% synergy
Ancient Tomb
5% of 111 decks -5% synergy
Mana Artifacts
Sol Ring
78% of 111 decks -6% synergy
Azorius Signet
47% of 17 decks +21% synergy
Selesnya Signet
41% of 17 decks +32% synergy
Arcane Signet
41% of 107 decks -31% synergy
Simic Signet
26% of 111 decks +12% synergy
Izzet Signet
24% of 33 decks -4% synergy
Thought Vessel
17% of 108 decks -0% synergy
Gruul Signet
15% of 33 decks +3% synergy
Fellwar Stone
14% of 111 decks -7% synergy
Chromatic Lantern
12% of 111 decks +2% synergy
Talisman of Curiosity
11% of 107 decks -1% synergy
Gilded Lotus
9% of 111 decks +6% synergy
Basalt Monolith
8% of 111 decks +5% synergy
Thran Dynamo
7% of 111 decks +2% synergy
Mana Vault
6% of 111 decks -0% synergy
Commander's Sphere
6% of 111 decks -9% synergy
Decanter of Endless Water
5% of 92 decks +1% synergy
Energy Refractor
5% of 78 decks +5% synergy
Lands
Command Tower
90% of 111 decks +16% synergy
Canopy Vista
71% of 17 decks +35% synergy
Prairie Stream
65% of 17 decks +31% synergy
Temple Garden
53% of 17 decks +12% synergy
Hallowed Fountain
53% of 17 decks +12% synergy
Underground River
50% of 12 decks +31% synergy
Drowned Catacomb
50% of 12 decks +25% synergy
Llanowar Wastes
50% of 12 decks +24% synergy
Woodland Cemetery
50% of 12 decks +22% synergy
Sunken Hollow
50% of 12 decks +15% synergy
Fortified Village
47% of 17 decks +32% synergy
Port Town
47% of 17 decks +31% synergy
Simic Growth Chamber
46% of 111 decks +26% synergy
Hinterland Harbor
46% of 111 decks +19% synergy
Yavimaya Coast
43% of 111 decks +17% synergy
Frontier Bivouac
42% of 33 decks +15% synergy
Breeding Pool
42% of 111 decks +1% synergy
Cinder Glade
42% of 31 decks +3% synergy
Dimir Aqueduct
42% of 12 decks +25% synergy
Sunpetal Grove
41% of 17 decks +18% synergy
Izzet Boilerworks
39% of 33 decks +23% synergy
Karplusan Forest
39% of 33 decks +22% synergy
Rootbound Crag
39% of 33 decks +16% synergy
Stomping Ground
39% of 33 decks -2% synergy
Exotic Orchard
35% of 111 decks -0% synergy
Misty Rainforest
34% of 111 decks +22% synergy
Gruul Turf
33% of 33 decks +17% synergy
Temple of Mystery
33% of 111 decks +16% synergy
Golgari Rot Farm
33% of 12 decks +16% synergy
Evolving Wilds
33% of 111 decks +12% synergy
Opulent Palace
33% of 12 decks +7% synergy
Shivan Reef
33% of 33 decks +7% synergy
Zagoth Triome
33% of 12 decks +3% synergy
Steam Vents
33% of 33 decks -6% synergy
Ketria Triome
32% of 31 decks -0% synergy
Vineglimmer Snarl
31% of 104 decks +20% synergy
Terramorphic Expanse
26% of 111 decks +10% synergy
Darkslick Shores
25% of 12 decks +20% synergy
Twilight Mire
25% of 12 decks +15% synergy
Darkwater Catacombs
25% of 12 decks +10% synergy
Undergrowth Stadium
25% of 12 decks -1% synergy
Watery Grave
25% of 12 decks -16% synergy
Rejuvenating Springs
25% of 105 decks -4% synergy
Flooded Grove
24% of 111 decks +12% synergy
Sulfur Falls
24% of 33 decks -6% synergy
Selesnya Sanctuary
24% of 17 decks +9% synergy
Azorius Chancery
24% of 17 decks +9% synergy
Seaside Citadel
24% of 17 decks -2% synergy
Sea of Clouds
24% of 17 decks -3% synergy
Fabled Passage
23% of 107 decks +14% synergy