Progenitor Mimic + Time Stretch + Eternal Witness

Progenitor Mimic
Time Stretch
Eternal Witness

Requires
Progenitor Mimic must be on the battlefield. Time Stretch must be on the battlefield. Eternal Witness must be on the battlefield. Progenitor Mimic is a copy of Eternal Witness. Mana needed: 8 each turn
Steps
  1. Cast Time Stretch by paying 8, taking two extra turns 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 Time Stretch from your graveyard to your hand.
  4. Repeat.
Results
Infinite turns.

Riku of Two Reflections
0.59% of 4913 decks 29 decks
Kruphix, God of Horizons
0.26% of 3069 decks 8 decks
High Synergy Cards
Opposition Agent
50% of 8 decks +46% synergy
Rite of Replication
45% of 75 decks +44% synergy
Cultivate
64% of 75 decks +42% synergy
Toxic Deluge
50% of 10 decks +41% synergy
Time Warp
41% of 75 decks +40% synergy
Reliquary Tower
68% of 75 decks +39% synergy
Kodama's Reach
53% of 75 decks +38% synergy
Notion Thief
40% of 10 decks +38% synergy
Demonic Consultation
40% of 10 decks +38% synergy
Cyclonic Rift
51% of 75 decks +37% synergy
Top Cards
Beast Within
48% of 75 decks +30% synergy
Counterspell
43% of 75 decks +22% synergy
Mystical Tutor
41% of 75 decks +34% synergy
Farseek
41% of 75 decks +25% synergy
Dockside Extortionist
41% of 32 decks +33% synergy
Damnation
40% of 10 decks +36% synergy
Rhystic Study
40% of 75 decks +26% synergy
Seedborn Muse
37% of 75 decks +33% synergy
Blasphemous Act
37% of 38 decks +21% synergy
Tooth and Nail
36% of 75 decks +35% synergy
Creatures
Deadeye Navigator
36% of 75 decks +35% synergy
Acidic Slime
36% of 75 decks +34% synergy
Avenger of Zendikar
35% of 75 decks +30% synergy
Etali, Primal Conqueror
33% of 15 decks +31% synergy
Kiki-Jiki, Mirror Breaker
32% of 38 decks +30% synergy
Solemn Simulacrum
31% of 75 decks +17% synergy
Birds of Paradise
29% of 75 decks +17% synergy
Sakura-Tribe Elder
28% of 75 decks +19% synergy
Mulldrifter
27% of 75 decks +24% synergy
Phyrexian Metamorph
27% of 75 decks +23% synergy
Coiling Oracle
25% of 75 decks +24% synergy
Storm-Kiln Artist
24% of 29 decks +20% synergy
Nyxbloom Ancient
23% of 64 decks +22% synergy
Clever Impersonator
23% of 74 decks +22% synergy
Reclamation Sage
23% of 74 decks +18% synergy
Peregrine Drake
23% of 75 decks +21% synergy
Consecrated Sphinx
23% of 75 decks +20% synergy
Brudiclad, Telchor Engineer
22% of 32 decks +21% synergy
Oracle of Mul Daya
21% of 75 decks +19% synergy
Wood Elves
21% of 75 decks +18% synergy
Hullbreaker Horror
20% of 54 decks +17% synergy
Sakashima of a Thousand Faces
20% of 60 decks +18% synergy
Adrix and Nev, Twincasters
19% of 58 decks +18% synergy
Dack's Duplicate
19% of 37 decks +19% synergy
Altered Ego
19% of 69 decks +18% synergy
Palinchron
19% of 75 decks +18% synergy
Archaeomancer
19% of 75 decks +17% synergy
Inferno Titan
18% of 38 decks +18% synergy
Dualcaster Mage
17% of 36 decks +14% synergy
Tatyova, Benthic Druid
16% of 67 decks +14% synergy
Biovisionary
16% of 75 decks +16% synergy
Prime Speaker Zegana
16% of 75 decks +15% synergy
Diluvian Primordial
16% of 75 decks +15% synergy
Terastodon
16% of 75 decks +14% synergy
Maelstrom Wanderer
16% of 38 decks +15% synergy
Zealous Conscripts
16% of 38 decks +15% synergy
Goblin Electromancer
16% of 38 decks +14% synergy
Thryx, the Sudden Storm
16% of 64 decks +15% synergy
Delighted Halfling
15% of 26 decks +9% synergy
Etali, Primal Storm
15% of 33 decks +10% synergy
Azusa, Lost but Seeking
15% of 75 decks +11% synergy
Llanowar Elves
15% of 75 decks +5% synergy
Harmonic Prodigy
14% of 29 decks +12% synergy
Goblin Anarchomancer
14% of 29 decks +11% synergy
Spark Double
14% of 66 decks +10% synergy
Rattleclaw Mystic
14% of 37 decks +13% synergy
Nezahal, Primal Tide
13% of 67 decks +12% synergy
Sakashima's Protege
13% of 60 decks +13% synergy
Vorinclex, Voice of Hunger
13% of 75 decks +12% synergy
Apex Devastator
13% of 60 decks +12% synergy
Instants
Vampiric Tutor
60% of 10 decks +51% synergy
Swords to Plowshares
50% of 6 decks +21% synergy
Growth Spiral
33% of 66 decks +29% synergy
Flame of Anor
27% of 11 decks +26% synergy
Brainstorm
24% of 75 decks +13% synergy
Chaos Warp
24% of 38 decks +8% synergy
Worldly Tutor
23% of 75 decks +16% synergy
Mana Drain
23% of 75 decks +15% synergy
Fact or Fiction
21% of 75 decks +18% synergy
Arcane Denial
21% of 75 decks +12% synergy
Krosan Grip
20% of 75 decks +16% synergy
Harrow
19% of 75 decks +14% synergy
Nexus of Fate
18% of 67 decks +17% synergy
Double Major
17% of 58 decks +16% synergy
Fierce Guardianship
17% of 64 decks +9% synergy
Narset's Reversal
17% of 66 decks +15% synergy
Entish Restoration
17% of 24 decks +13% synergy
Force of Will
16% of 75 decks +11% synergy
Heroic Intervention
15% of 67 decks +1% synergy
An Offer You Can't Refuse
15% of 47 decks +5% synergy
Plasm Capture
15% of 75 decks +14% synergy
Dig Through Time
14% of 74 decks +11% synergy
Rapid Hybridization
13% of 75 decks +9% synergy
Swan Song
13% of 75 decks +5% synergy
Comet Storm
13% of 38 decks +12% synergy
Force of Negation
12% of 66 decks +8% synergy
Eureka Moment
12% of 58 decks +11% synergy
Capsize
12% of 75 decks +11% synergy
Blue Sun's Zenith
12% of 75 decks +11% synergy
Negate
12% of 75 decks +1% synergy
Sublime Epiphany
11% of 62 decks +10% synergy
Reality Shift
11% of 72 decks +7% synergy
Voidslime
11% of 75 decks +10% synergy
Pongify
11% of 75 decks +5% synergy
See Double
10% of 29 decks +9% synergy
Stroke of Genius
8% of 75 decks +7% synergy
Cackling Counterpart
8% of 75 decks +7% synergy
Cryptic Command
8% of 75 decks +7% synergy
Chord of Calling
8% of 75 decks +5% synergy
Frantic Search
8% of 75 decks +2% synergy
Reverberate
8% of 38 decks +6% synergy
Mystic Confluence
7% of 69 decks +6% synergy
Second Harvest
7% of 69 decks +5% synergy
Pact of Negation
7% of 75 decks +3% synergy
Disallow
6% of 67 decks +5% synergy
Hinder
5% of 75 decks +5% synergy
Twincast
5% of 75 decks +5% synergy
Evacuation
5% of 75 decks +4% synergy
Mindbreak Trap
5% of 75 decks +4% synergy
Crop Rotation
5% of 75 decks +1% synergy
Sorceries
Demonic Tutor
70% of 10 decks +58% synergy
Nature's Lore
36% of 75 decks +21% synergy
Rampant Growth
36% of 75 decks +20% synergy
Skyshroud Claim
32% of 75 decks +28% synergy
Villainous Wealth
30% of 10 decks +29% synergy
Grim Tutor
30% of 10 decks +28% synergy
Mythos of Illuna
29% of 31 decks +29% synergy
Three Visits
27% of 75 decks +15% synergy
Expropriate
25% of 68 decks +24% synergy
Doppelgang
25% of 12 decks +24% synergy
Temporal Mastery
24% of 75 decks +23% synergy
Explosive Vegetation
24% of 75 decks +22% synergy
Temporal Manipulation
23% of 75 decks +22% synergy
Urban Evolution
21% of 75 decks +20% synergy
Explore
21% of 75 decks +17% synergy
Guided Passage
21% of 38 decks +21% synergy
Decimate
21% of 38 decks +19% synergy
Bribery
20% of 75 decks +19% synergy
Open the Way
19% of 27 decks +17% synergy
Genesis Ultimatum
16% of 31 decks +15% synergy
Hull Breach
16% of 38 decks +15% synergy
Vandalblast
16% of 38 decks +8% synergy
Walk the Aeons
15% of 75 decks +14% synergy
Part the Waterveil
14% of 69 decks +14% synergy
Clone Legion
14% of 71 decks +13% synergy
Crackle with Power
14% of 29 decks +13% synergy
Regrowth
13% of 75 decks +12% synergy
Jeska's Will
13% of 30 decks +5% synergy
Beacon of Tomorrows
12% of 75 decks +12% synergy
Green Sun's Zenith
12% of 75 decks +9% synergy
Ponder
12% of 75 decks +6% synergy
Bala Ged Recovery
11% of 61 decks +7% synergy
Treasure Cruise
11% of 74 decks +8% synergy
Windfall
11% of 75 decks +4% synergy
Finale of Devastation
11% of 66 decks +7% synergy
Chain Reaction
11% of 38 decks +8% synergy
Mnemonic Deluge
10% of 60 decks +9% synergy
Temporal Trespass
10% of 72 decks +9% synergy
Capture of Jingzhou
9% of 75 decks +9% synergy
Far Wanderings
9% of 75 decks +9% synergy
Search for Tomorrow
9% of 75 decks +8% synergy
Harmonize
9% of 75 decks +5% synergy
Preordain
9% of 75 decks +4% synergy
Bonus Round
9% of 33 decks +9% synergy
Croaking Counterpart
9% of 55 decks +9% synergy
Aminatou's Augury
9% of 66 decks +8% synergy
Jaya's Immolating Inferno
9% of 33 decks +8% synergy
Karn's Temporal Sundering
9% of 67 decks +8% synergy
Awaken the Woods
8% of 36 decks +6% synergy
Show and Tell
8% of 75 decks +8% synergy
Utility Artifacts
Lightning Greaves
23% of 75 decks -3% synergy
Panharmonicon
22% of 68 decks +18% synergy
Swiftfoot Boots
20% of 75 decks -8% synergy
Twinning Staff
19% of 64 decks +18% synergy
Sensei's Divining Top
17% of 75 decks +12% synergy
Conjurer's Closet
13% of 75 decks +11% synergy
Lithoform Engine
13% of 61 decks +12% synergy
Crystal Shard
12% of 75 decks +11% synergy
Primal Amulet
10% of 67 decks +9% synergy
Mirror Box
9% of 53 decks +8% synergy
Doubling Cube
8% of 75 decks +7% synergy
The Great Henge
8% of 66 decks +3% synergy
Mirage Mirror
7% of 67 decks +6% synergy
Isochron Scepter
7% of 75 decks +4% synergy
Mirari
5% of 75 decks +5% synergy
Erratic Portal
5% of 75 decks +5% synergy
Vedalken Orrery
5% of 75 decks +4% synergy
Strionic Resonator
5% of 75 decks +2% synergy
Enchantments
Mana Reflection
24% of 75 decks +23% synergy
Sylvan Library
24% of 75 decks +18% synergy
Storm of Saruman
23% of 26 decks +22% synergy
Omniscience
23% of 75 decks +21% synergy
Mystic Remora
21% of 75 decks +13% synergy
Double Vision
19% of 31 decks +18% synergy
Leyline of Anticipation
17% of 75 decks +15% synergy
Rhythm of the Wild
16% of 32 decks +10% synergy
Wilderness Reclamation
15% of 66 decks +13% synergy
Swarm Intelligence
15% of 67 decks +14% synergy
Parallel Lives
15% of 75 decks +11% synergy
Doubling Season
15% of 75 decks +11% synergy
Zendikar Resurgent
14% of 69 decks +13% synergy
Exploration
12% of 75 decks +8% synergy
One with the Multiverse
11% of 37 decks +10% synergy
Temur Ascendancy
11% of 37 decks +9% synergy
Defense of the Heart
11% of 75 decks +9% synergy
Splinter Twin
11% of 38 decks +10% synergy
Sneak Attack
11% of 38 decks +9% synergy
Khalni Heart Expedition
9% of 75 decks +8% synergy
Propaganda
9% of 75 decks +4% synergy
Sunbird's Invocation
9% of 33 decks +8% synergy
Flameshadow Conjuring
9% of 35 decks +8% synergy
Asceticism
8% of 75 decks +7% synergy
Imprisoned in the Moon
7% of 68 decks +6% synergy
Freed from the Real
7% of 75 decks +6% synergy
Extravagant Replication
6% of 47 decks +6% synergy
Mind's Dilation
6% of 68 decks +5% synergy
Treachery
5% of 75 decks +5% synergy
Thought Reflection
5% of 75 decks +5% synergy
Burgeoning
5% of 75 decks +4% synergy
Greater Good
5% of 75 decks +3% synergy
Battles
Invasion of Zendikar
11% of 27 decks +10% synergy
Planeswalkers
Oko, Thief of Crowns
15% of 66 decks +14% synergy
Ral, Storm Conduit
12% of 32 decks +12% synergy
Teferi, Master of Time
10% of 62 decks +8% synergy
Jace, the Mind Sculptor
8% of 75 decks +7% synergy
Kiora, Behemoth Beckoner
6% of 66 decks +5% synergy
Ugin, the Spirit Dragon
6% of 72 decks +4% synergy
Garruk, Primal Hunter
5% of 75 decks +4% synergy
Utility Lands
Bojuka Bog
40% of 10 decks +24% synergy
Alchemist's Refuge
32% of 75 decks +30% synergy
Temple of the False God
29% of 75 decks +20% synergy
Mystic Sanctuary
23% of 66 decks +17% synergy
Yavimaya, Cradle of Growth
19% of 57 decks +10% synergy
Boseiju, Who Endures
19% of 53 decks +10% synergy
Boseiju, Who Shelters All
11% of 75 decks +10% synergy
Kessig Wolf Run
11% of 38 decks +7% synergy
Thespian's Stage
9% of 75 decks +7% synergy
Strip Mine
9% of 75 decks +6% synergy
Mosswort Bridge
8% of 75 decks +3% synergy
Nykthos, Shrine to Nyx
8% of 75 decks +2% synergy
Raging Ravine
8% of 38 decks +7% synergy
Castle Vantress
8% of 66 decks +5% synergy
Tranquil Thicket
7% of 75 decks +5% synergy
Lonely Sandbar
7% of 75 decks +5% synergy
Gaea's Cradle
7% of 75 decks +4% synergy
Maze of Ith
7% of 75 decks +4% synergy
Mirrorpool
6% of 69 decks +5% synergy
Tolaria West
5% of 75 decks +5% synergy
Wasteland
5% of 75 decks +4% synergy
Urborg, Tomb of Yawgmoth
5% of 75 decks -5% synergy
Ancient Tomb
5% of 75 decks -5% synergy
Mana Artifacts
Sol Ring
87% of 75 decks +2% synergy
Arcane Signet
53% of 66 decks -18% synergy
Simic Signet
27% of 75 decks +23% synergy
Chromatic Lantern
27% of 75 decks +17% synergy
Mana Crypt
20% of 75 decks +9% synergy
Izzet Signet
18% of 38 decks +12% synergy
Gruul Signet
13% of 38 decks +10% synergy
Gilded Lotus
12% of 75 decks +8% synergy
Thought Vessel
12% of 69 decks -5% synergy
Basalt Monolith
11% of 75 decks +8% synergy
Commander's Sphere
10% of 72 decks -6% synergy
Fellwar Stone
9% of 75 decks -12% synergy
Thran Dynamo
8% of 75 decks +3% synergy
Talisman of Curiosity
8% of 66 decks +5% synergy
Mana Vault
7% of 75 decks +0% synergy
Jeweled Lotus
7% of 60 decks -1% synergy
Lotus Petal
5% of 75 decks -1% synergy
Lands
Command Tower
88% of 75 decks +14% synergy
Overgrown Tomb
70% of 10 decks +61% synergy
Stomping Ground
68% of 38 decks +59% synergy
Steam Vents
63% of 38 decks +54% synergy
Breeding Pool
63% of 75 decks +54% synergy
Spara's Headquarters
60% of 5 decks +56% synergy
Watery Grave
60% of 10 decks +50% synergy
Hinterland Harbor
56% of 75 decks +50% synergy
Temple Garden
50% of 6 decks +41% synergy
Rootbound Crag
45% of 38 decks +40% synergy
Rejuvenating Springs
43% of 60 decks +37% synergy
Frontier Bivouac
43% of 37 decks +40% synergy
Simic Growth Chamber
43% of 75 decks +38% synergy
Ketria Triome
42% of 31 decks +38% synergy
Sunken Ruins
40% of 10 decks +39% synergy
Twilight Mire
40% of 10 decks +38% synergy
Sulfur Falls
39% of 38 decks +33% synergy
Cinder Glade
38% of 34 decks +30% synergy
Misty Rainforest
37% of 75 decks +26% synergy
Spire Garden
36% of 33 decks +31% synergy
Temple of Mystery
35% of 75 decks +31% synergy
Yavimaya Coast
35% of 75 decks +29% synergy
Flooded Grove
33% of 75 decks +31% synergy
Training Center
33% of 30 decks +27% synergy
Izzet Boilerworks
32% of 38 decks +28% synergy
Bayou
30% of 10 decks +27% synergy
Underground Sea
30% of 10 decks +26% synergy
Evolving Wilds
29% of 75 decks +8% synergy
Exotic Orchard
27% of 75 decks -9% synergy
Gruul Turf
26% of 38 decks +23% synergy
Terramorphic Expanse
23% of 75 decks +7% synergy
Dreamroot Cascade
22% of 54 decks +18% synergy
Rockfall Vale
21% of 28 decks +17% synergy
Temple of Abandon
21% of 38 decks +18% synergy
Myriad Landscape
21% of 72 decks +1% synergy
Vineglimmer Snarl
21% of 58 decks +18% synergy
Wooded Foothills
20% of 75 decks +10% synergy
Barkchannel Pathway
19% of 58 decks +17% synergy
Temple of Epiphany
19% of 37 decks +15% synergy
Shivan Reef
18% of 38 decks +12% synergy
Scalding Tarn
17% of 75 decks +6% synergy
Tropical Island
16% of 75 decks +13% synergy
Volcanic Island
16% of 38 decks +13% synergy
Tangled Islet
14% of 42 decks +13% synergy
Fabled Passage
14% of 66 decks +4% synergy
Verdant Catacombs
13% of 75 decks +2% synergy
Cascade Bluffs
13% of 38 decks +10% synergy
Taiga
13% of 38 decks +10% synergy
Simic Guildgate
12% of 75 decks +11% synergy
Windswept Heath
12% of 75 decks +2% synergy