Soulherder + Eternal Witness + Time Warp

Soulherder
Eternal Witness
Time Warp

Requires
Soulherder must be on the battlefield. Eternal Witness must be on the battlefield. Time Warp must be in hand. Mana needed: 3 each turn
Steps
  1. With Soulherder and a creature based spell recursion effect on the battlefield, cast the extra turn spell.
  2. Move to end step and target the creature with Soulherder's ability.
  3. When creature re-enters the battlefield, target the extra turn spell in your graveyard and return it to your hand, then pass to yourself.
  4. Repeat
Results
Infinite turns.

Roon of the Hidden Realm
5.42% of 3137 decks 170 decks
Atraxa, Grand Unifier
1.06% of 14578 decks 155 decks
Lagrella, the Magpie
3.10% of 1646 decks 51 decks
Galadriel, Light of Valinor
0.23% of 10838 decks 25 decks
Chulane, Teller of Tales
0.30% of 7790 decks 23 decks
Omnath, Locus of Creation
0.12% of 14404 decks 17 decks
Garth One-Eye
0.25% of 4376 decks 11 decks
Derevi, Empyrial Tactician
0.13% of 8690 decks 11 decks
Jenara, Asura of War
0.77% of 648 decks 5 decks
Ishai, Ojutai Dragonspeaker // Kodama of the East Tree
1.06% of 472 decks 5 decks
Rigo, Streetwise Mentor
0.22% of 1382 decks 3 decks
Kenrith, the Returned King
0.01% of 23932 decks 3 decks
Amareth, the Lustrous
0.21% of 1396 decks 3 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.12% of 1678 decks 2 decks
Morska, Undersea Sleuth
0.03% of 6179 decks 2 decks
Brenard, Ginger Sculptor
0.02% of 9182 decks 2 decks
Phelddagrif
0.07% of 2750 decks 2 decks
Kynaios and Tiro of Meletis
0.02% of 8885 decks 2 decks
New Cards
Perennation
4% of 24 decks +2% synergy
Fangkeeper's Familiar
4% of 24 decks +2% synergy
Skirmish Rhino
3% of 34 decks +2% synergy
Nature's Rhythm
3% of 37 decks -0% synergy
Mistrise Village
2% of 45 decks -3% synergy
High Synergy Cards
Ephemerate
81% of 519 decks +75% synergy
Panharmonicon
67% of 519 decks +63% synergy
Peregrine Drake
66% of 519 decks +63% synergy
Thassa, Deep-Dwelling
65% of 519 decks +62% synergy
Coiling Oracle
65% of 519 decks +58% synergy
Teleportation Circle
59% of 519 decks +56% synergy
Mulldrifter
57% of 519 decks +52% synergy
Wood Elves
57% of 519 decks +51% synergy
Eerie Interlude
54% of 519 decks +50% synergy
Elesh Norn, Mother of Machines
53% of 519 decks +49% synergy
Top Cards
Swords to Plowshares
69% of 519 decks +6% synergy
Baleful Strix
58% of 179 decks +45% synergy
Ghostly Flicker
52% of 519 decks +47% synergy
Yarok, the Desecrated
51% of 179 decks +49% synergy
Deadeye Navigator
50% of 519 decks +48% synergy
Archaeomancer
49% of 519 decks +45% synergy
Emiel the Blessed
47% of 519 decks +44% synergy
Farseek
46% of 519 decks +12% synergy
Path to Exile
46% of 519 decks -1% synergy
Birds of Paradise
45% of 519 decks +17% synergy
Game Changers
Cyclonic Rift
48% of 519 decks +21% synergy
Rhystic Study
35% of 519 decks +9% synergy
Demonic Tutor
35% of 179 decks +13% synergy
Smothering Tithe
34% of 519 decks +10% synergy
Mystical Tutor
27% of 519 decks +13% synergy
Vampiric Tutor
25% of 179 decks +8% synergy
Enlightened Tutor
25% of 519 decks +8% synergy
Thassa's Oracle
13% of 519 decks +7% synergy
Ancient Tomb
13% of 519 decks +3% synergy
The One Ring
12% of 519 decks +4% synergy
Creatures
Brago, King Eternal
44% of 519 decks +41% synergy
Aether Channeler
43% of 519 decks +41% synergy
Displacer Kitten
43% of 519 decks +37% synergy
Venser, Shaper Savant
40% of 519 decks +38% synergy
Felidar Guardian
40% of 519 decks +37% synergy
Yorion, Sky Nomad
38% of 519 decks +36% synergy
Agent of Treachery
38% of 519 decks +36% synergy
Restoration Angel
37% of 519 decks +34% synergy
Charming Prince
33% of 519 decks +31% synergy
Knight of Autumn
33% of 519 decks +31% synergy
Farhaven Elf
33% of 519 decks +29% synergy
Dockside Extortionist
32% of 40 decks +24% synergy
Cloudblazer
32% of 519 decks +30% synergy
Solemn Simulacrum
32% of 519 decks +19% synergy
Noble Hierarch
32% of 519 decks +16% synergy
Ravenous Chupacabra
30% of 179 decks +26% synergy
Wall of Blossoms
30% of 519 decks +29% synergy
Ignoble Hierarch
30% of 20 decks +5% synergy
Reflector Mage
30% of 519 decks +28% synergy
Wall of Omens
29% of 519 decks +26% synergy
Reclamation Sage
29% of 519 decks +19% synergy
Sun Titan
28% of 519 decks +18% synergy
Timeless Witness
27% of 519 decks +25% synergy
Dour Port-Mage
27% of 240 decks +25% synergy
Karmic Guide
27% of 519 decks +23% synergy
Bloom Tender
25% of 519 decks +17% synergy
Skyclave Apparition
24% of 519 decks +21% synergy
Solitude
24% of 519 decks +22% synergy
Seedborn Muse
24% of 519 decks +15% synergy
Loran of the Third Path
23% of 519 decks +17% synergy
Ertai Resurrected
23% of 179 decks +20% synergy
Acidic Slime
23% of 519 decks +19% synergy
Imperial Recruiter
22% of 40 decks +17% synergy
Preston, the Vanisher
22% of 519 decks +21% synergy
Flickerwisp
22% of 519 decks +20% synergy
Eldrazi Displacer
21% of 519 decks +20% synergy
Spirited Companion
20% of 519 decks +16% synergy
Thragtusk
20% of 519 decks +20% synergy
Recruiter of the Guard
20% of 519 decks +17% synergy
Risen Reef
20% of 519 decks +17% synergy
Kiki-Jiki, Mirror Breaker
20% of 40 decks +17% synergy
Mystic Snake
19% of 519 decks +18% synergy
Elvish Visionary
19% of 519 decks +17% synergy
Faeburrow Elder
19% of 519 decks +7% synergy
Avenger of Zendikar
18% of 519 decks +10% synergy
Esper Sentinel
18% of 519 decks -2% synergy
Fury
18% of 40 decks +17% synergy
Clifftop Lookout
17% of 246 decks +16% synergy
Lotho, Corrupt Shirriff
17% of 170 decks +5% synergy
Spellseeker
17% of 519 decks +13% synergy
Instants
Counterspell
41% of 519 decks -1% synergy
Assassin's Trophy
36% of 179 decks +5% synergy
Eladamri's Call
33% of 519 decks +22% synergy
Cloudshift
31% of 519 decks +28% synergy
Momentary Blink
29% of 519 decks +26% synergy
Worldly Tutor
29% of 519 decks +15% synergy
Beast Within
27% of 519 decks -10% synergy
Dovin's Veto
26% of 519 decks +8% synergy
Mana Drain
26% of 519 decks +11% synergy
Anguished Unmaking
25% of 179 decks +1% synergy
Lae'zel's Acrobatics
24% of 519 decks +22% synergy
Teferi's Protection
24% of 519 decks +5% synergy
Dark Ritual
24% of 179 decks +1% synergy
Swan Song
23% of 519 decks +6% synergy
An Offer You Can't Refuse
21% of 519 decks -1% synergy
Essence Flux
20% of 519 decks +18% synergy
Fierce Guardianship
20% of 519 decks +2% synergy
Arcane Denial
19% of 519 decks -1% synergy
Heroic Intervention
18% of 519 decks -12% synergy
Ghostway
15% of 519 decks +14% synergy
Deflecting Swat
15% of 40 decks -1% synergy
Void Rend
15% of 179 decks +1% synergy
Generous Gift
14% of 519 decks -10% synergy
Displace
13% of 519 decks +12% synergy
Force of Will
13% of 519 decks +2% synergy
Chord of Calling
13% of 519 decks +7% synergy
Semester's End
13% of 519 decks +11% synergy
Lightning Bolt
12% of 40 decks +2% synergy
Demonic Consultation
11% of 179 decks +7% synergy
Negate
11% of 519 decks -12% synergy
Growth Spiral
10% of 519 decks -12% synergy
Unholy Heat
10% of 40 decks +10% synergy
Tainted Pact
9% of 179 decks +5% synergy
Abrupt Decay
9% of 179 decks -1% synergy
Malakir Rebirth
8% of 179 decks +0% synergy
Sink into Stupor
8% of 281 decks -1% synergy
Force of Negation
8% of 519 decks -1% synergy
Chaos Warp
8% of 40 decks -24% synergy
Brainstorm
7% of 519 decks -12% synergy
Pact of Negation
7% of 519 decks -0% synergy
Flicker of Fate
6% of 519 decks +5% synergy
Nature's Claim
6% of 519 decks -2% synergy
Silence
6% of 519 decks -0% synergy
Noxious Revival
6% of 519 decks +0% synergy
Crop Rotation
6% of 519 decks -4% synergy
Revitalizing Repast
5% of 95 decks -3% synergy
Cosmic Intervention
5% of 519 decks +4% synergy
Disallow
5% of 519 decks +3% synergy
Sorceries
Nature's Lore
40% of 519 decks +8% synergy
Cultivate
35% of 519 decks -10% synergy
Three Visits
34% of 519 decks +10% synergy
Supreme Verdict
27% of 519 decks +14% synergy
Toxic Deluge
26% of 179 decks +8% synergy
Farewell
24% of 519 decks +12% synergy
Kodama's Reach
24% of 519 decks -7% synergy
Rampant Growth
23% of 519 decks -11% synergy
Temporal Manipulation
20% of 519 decks +19% synergy
Damn
20% of 179 decks +3% synergy
Bala Ged Recovery
17% of 519 decks +8% synergy
Another Round
14% of 313 decks +13% synergy
Reanimate
13% of 179 decks -4% synergy
Approach of the Second Sun
12% of 519 decks +9% synergy
Finale of Devastation
12% of 519 decks +4% synergy
Skyshroud Claim
12% of 519 decks +3% synergy
Green Sun's Zenith
10% of 519 decks +5% synergy
Time Wipe
10% of 519 decks +4% synergy
Culling Ritual
10% of 179 decks -1% synergy
Neoform
10% of 519 decks +5% synergy
Capture of Jingzhou
9% of 519 decks +8% synergy
Wrath of God
9% of 519 decks +3% synergy
Eldritch Evolution
9% of 519 decks +4% synergy
Austere Command
8% of 519 decks -5% synergy
Gamble
8% of 40 decks -2% synergy
Blasphemous Act
8% of 40 decks -26% synergy
Diabolic Tutor
7% of 179 decks +1% synergy
Eerie Ultimatum
7% of 179 decks -5% synergy
Wargate
7% of 519 decks +4% synergy
Ondu Inversion
5% of 519 decks +4% synergy
Imperial Seal
5% of 179 decks -1% synergy
Sea Gate Restoration
5% of 519 decks +1% synergy
Ponder
5% of 519 decks -7% synergy
Utility Artifacts
Conjurer's Closet
34% of 519 decks +32% synergy
Lightning Greaves
19% of 519 decks -6% synergy
Sword of Hearth and Home
18% of 519 decks +16% synergy
Swiftfoot Boots
16% of 519 decks -12% synergy
The Great Henge
13% of 519 decks +3% synergy
Strionic Resonator
10% of 519 decks +7% synergy
Altar of the Brood
9% of 519 decks +8% synergy
Birthing Pod
9% of 519 decks +6% synergy
Lotus Petal
7% of 519 decks -0% synergy
Jeweled Lotus
6% of 519 decks +2% synergy
Commander's Sphere
5% of 519 decks -9% synergy
Enchantments
Guardian Project
35% of 519 decks +27% synergy
Aura Shards
29% of 519 decks +20% synergy
Virtue of Knowledge
25% of 438 decks +23% synergy
Sylvan Library
18% of 519 decks +7% synergy
Mystic Remora
17% of 519 decks -0% synergy
Mirari's Wake
15% of 519 decks +3% synergy
Nahiri's Resolve
13% of 39 decks +11% synergy
Temur Ascendancy
12% of 40 decks -3% synergy
Touch the Spirit Realm
12% of 519 decks +10% synergy
Black Market Connections
11% of 179 decks +0% synergy
Animate Dead
9% of 179 decks +0% synergy
Phyrexian Arena
9% of 179 decks -7% synergy
Ghostly Prison
8% of 519 decks -4% synergy
Mass Hysteria
8% of 40 decks +7% synergy
Fervor
8% of 40 decks +6% synergy
Valakut Exploration
8% of 40 decks +5% synergy
Fable of the Mirror-Breaker
8% of 40 decks +5% synergy
Impact Tremors
8% of 40 decks -3% synergy
Rhythm of the Wild
8% of 40 decks -16% synergy
Propaganda
7% of 519 decks -5% synergy
Leyline of Anticipation
7% of 519 decks +3% synergy
Exploration
7% of 519 decks -1% synergy
Defense of the Heart
6% of 519 decks +3% synergy
Utopia Sprawl
5% of 519 decks -2% synergy
Wild Growth
5% of 519 decks -5% synergy
Food Chain
5% of 519 decks +3% synergy
Omniscience
5% of 519 decks +2% synergy
Planeswalkers
Aminatou, the Fateshifter
35% of 179 decks +32% synergy
The Eternal Wanderer
26% of 519 decks +24% synergy
Wrenn and Six
20% of 40 decks +19% synergy
Teferi, Time Raveler
19% of 519 decks +13% synergy
Venser, the Sojourner
16% of 519 decks +14% synergy
Oko, Thief of Crowns
8% of 519 decks +3% synergy
Utility Lands
Reliquary Tower
50% of 519 decks +20% synergy
Boseiju, Who Endures
29% of 519 decks +10% synergy
Otawara, Soaring City
25% of 519 decks +8% synergy
Yavimaya, Cradle of Growth
19% of 519 decks +10% synergy
Alchemist's Refuge
17% of 519 decks +10% synergy
Bojuka Bog
16% of 179 decks -14% synergy
Minamo, School at Water's Edge
12% of 519 decks +8% synergy
Mystic Sanctuary
10% of 519 decks -1% synergy
Temple of the False God
10% of 519 decks +0% synergy
Urborg, Tomb of Yawgmoth
7% of 519 decks -3% synergy
Eiganjo, Seat of the Empire
7% of 519 decks -1% synergy
Strip Mine
7% of 519 decks +4% synergy
Field of the Dead
6% of 519 decks +3% synergy
Gaea's Cradle
6% of 519 decks +0% synergy
Urza's Saga
5% of 519 decks -2% synergy
Takenuma, Abandoned Mire
5% of 179 decks -5% synergy
Mana Artifacts
Sol Ring
89% of 519 decks +5% synergy
Arcane Signet
74% of 519 decks +1% synergy
Chromatic Lantern
22% of 519 decks +13% synergy
Thought Vessel
22% of 519 decks +5% synergy
Fellwar Stone
22% of 519 decks +1% synergy
Simic Signet
13% of 519 decks -0% synergy
Azorius Signet
13% of 519 decks -13% synergy
Talisman of Curiosity
11% of 519 decks -2% synergy
Selesnya Signet
10% of 519 decks +2% synergy
Mana Crypt
10% of 519 decks +4% synergy
Decanter of Endless Water
10% of 519 decks +5% synergy
Talisman of Progress
9% of 519 decks -15% synergy
Mana Vault
9% of 519 decks +2% synergy
Talisman of Unity
9% of 519 decks +1% synergy
Talisman of Dominance
8% of 179 decks -24% synergy
Talisman of Resilience
7% of 179 decks -5% synergy
Chrome Mox
7% of 519 decks +1% synergy
Golgari Signet
6% of 179 decks -7% synergy
Dimir Signet
6% of 179 decks -23% synergy
Lands
Command Tower
92% of 519 decks +17% synergy
Hallowed Fountain
72% of 519 decks +32% synergy
Breeding Pool
71% of 519 decks +31% synergy
Temple Garden
70% of 519 decks +30% synergy
Overgrown Tomb
68% of 179 decks +27% synergy
Watery Grave
65% of 179 decks +25% synergy
Godless Shrine
63% of 179 decks +23% synergy
Stomping Ground
62% of 40 decks +22% synergy
Spara's Headquarters
58% of 519 decks +28% synergy
Steam Vents
57% of 40 decks +19% synergy
Ketria Triome
55% of 40 decks +23% synergy
Sacred Foundry
55% of 40 decks +20% synergy
Windswept Heath
54% of 519 decks +44% synergy
Flooded Strand
53% of 519 decks +42% synergy
Misty Rainforest
52% of 519 decks +41% synergy
Zagoth Triome
49% of 179 decks +20% synergy
Exotic Orchard
47% of 519 decks +11% synergy
Indatha Triome
45% of 179 decks +15% synergy
Raffine's Tower
42% of 179 decks +16% synergy
Raugrin Triome
40% of 40 decks +14% synergy
Rejuvenating Springs
39% of 519 decks +11% synergy
Bountiful Promenade
39% of 519 decks +15% synergy
Sea of Clouds
36% of 519 decks +10% synergy
Yavimaya Coast
33% of 519 decks +6% synergy
Glacial Fortress
31% of 519 decks +4% synergy
Sunpetal Grove
30% of 519 decks +6% synergy
The World Tree
30% of 20 decks -2% synergy
Undergrowth Stadium
30% of 179 decks +4% synergy
Hinterland Harbor
29% of 519 decks -1% synergy
Verdant Catacombs
29% of 519 decks +18% synergy
Marsh Flats
28% of 519 decks +17% synergy
Seaside Citadel
28% of 519 decks +1% synergy
Canopy Vista
28% of 519 decks -9% synergy
Jetmir's Garden
28% of 40 decks -3% synergy
Polluted Delta
27% of 519 decks +16% synergy
Prairie Stream
27% of 519 decks -7% synergy
Vault of Champions
26% of 179 decks +0% synergy
Ziatora's Proving Ground
25% of 20 decks -5% synergy
Brushland
24% of 519 decks +7% synergy
Morphic Pool
23% of 179 decks -3% synergy
Adarkar Wastes
23% of 519 decks +3% synergy
Dreamroot Cascade
20% of 519 decks +1% synergy
Taiga
20% of 40 decks +7% synergy
Blood Crypt
20% of 20 decks -18% synergy
Scalding Tarn
19% of 519 decks +8% synergy
Wooded Foothills
18% of 519 decks +8% synergy
Savannah
18% of 519 decks +5% synergy
Overgrown Farmland
18% of 519 decks +2% synergy
Tropical Island
18% of 519 decks +4% synergy
Mana Confluence
18% of 519 decks +10% synergy