Thassa, Deep-Dwelling + Eternal Witness + Walk the Aeons

Thassa, Deep-Dwelling
Eternal Witness
Walk the Aeons

Requires
Thassa, Deep-Dwelling must be on the battlefield. Eternal Witness must be on the battlefield. Walk the Aeons must be in hand. Mana needed: 4 each turn
Steps
  1. Cast Walk the Aeons by paying 4, getting an extra turn after this one.
  2. At the beginning of your end step, Thassa triggers, blinking Eternal Witness.
  3. Eternal Witness enters the battlefield, returning Walk the Aeons from your graveyard to your hand.
  4. Repeat.
Results
Infinite turns.

Yarok, the Desecrated
0.15% of 10412 decks 16 decks
Roon of the Hidden Realm
0.40% of 3233 decks 13 decks
Atraxa, Grand Unifier
0.05% of 14209 decks 7 decks
Aesi, Tyrant of Gyre Strait
0.05% of 10392 decks 5 decks
Riku of Two Reflections
0.08% of 4895 decks 4 decks
Chulane, Teller of Tales
0.05% of 7344 decks 4 decks
Uro, Titan of Nature's Wrath
0.21% of 1446 decks 3 decks
Thrasios, Triton Hero // Vial Smasher the Fierce
0.09% of 3518 decks 3 decks
Slogurk, the Overslime
0.17% of 1770 decks 3 decks
Omnath, Locus of Creation
0.02% of 13596 decks 3 decks
Tatyova, Benthic Druid
0.05% of 5751 decks 3 decks
Esika, God of the Tree
0.01% of 17767 decks 2 decks
Lonis, Cryptozoologist
0.04% of 4604 decks 2 decks
Kenrith, the Returned King
0.01% of 21513 decks 2 decks
Imoti, Celebrant of Bounty
0.04% of 4451 decks 2 decks
Omo, Queen of Vesuva
0.03% of 5758 decks 2 decks
Lagrella, the Magpie
0.13% of 1599 decks 2 decks
Muldrotha, the Gravetide
0.01% of 15112 decks 2 decks
High Synergy Cards
Aminatou, the Fateshifter
75% of 12 decks +72% synergy
Soulherder
71% of 38 decks +66% synergy
Teleportation Circle
66% of 38 decks +62% synergy
Etali, Primal Conqueror
67% of 9 decks +55% synergy
Ephemerate
55% of 38 decks +49% synergy
Eerie Interlude
53% of 38 decks +48% synergy
Emiel the Blessed
47% of 38 decks +44% synergy
Brago, King Eternal
45% of 38 decks +41% synergy
Elesh Norn, Mother of Machines
45% of 31 decks +40% synergy
Yorion, Sky Nomad
42% of 38 decks +40% synergy
Top Cards
Swords to Plowshares
66% of 38 decks +3% synergy
Dockside Extortionist
47% of 17 decks +34% synergy
Counterspell
46% of 109 decks +3% synergy
Beast Within
45% of 109 decks +6% synergy
Coiling Oracle
42% of 109 decks +34% synergy
Felidar Guardian
42% of 38 decks +40% synergy
Sun Titan
42% of 38 decks +32% synergy
Peregrine Drake
41% of 109 decks +38% synergy
Ghostly Flicker
41% of 109 decks +36% synergy
Cyclonic Rift
41% of 109 decks +13% synergy
Creatures
Beza, the Bounding Spring
60% of 5 decks +58% synergy
Archaeomancer
39% of 109 decks +35% synergy
Wood Elves
39% of 109 decks +32% synergy
Mulldrifter
38% of 109 decks +32% synergy
Avenger of Zendikar
38% of 109 decks +28% synergy
Ravenous Chupacabra
37% of 35 decks +33% synergy
Restoration Angel
37% of 38 decks +34% synergy
Reclamation Sage
37% of 109 decks +26% synergy
Ertai Resurrected
35% of 31 decks +32% synergy
Kiki-Jiki, Mirror Breaker
35% of 17 decks +32% synergy
Deadeye Navigator
35% of 109 decks +33% synergy
Wall of Omens
34% of 38 decks +31% synergy
Timeless Witness
33% of 108 decks +30% synergy
Azusa, Lost but Seeking
33% of 109 decks +25% synergy
Charming Prince
32% of 38 decks +29% synergy
Skyclave Apparition
32% of 38 decks +28% synergy
Tatyova, Benthic Druid
30% of 109 decks +18% synergy
Atraxa, Grand Unifier
30% of 10 decks +24% synergy
Eldrazi Displacer
29% of 38 decks +27% synergy
Cloudblazer
29% of 38 decks +26% synergy
Spirited Companion
29% of 38 decks +25% synergy
Massacre Wurm
29% of 35 decks +24% synergy
Baleful Strix
29% of 35 decks +15% synergy
Birds of Paradise
28% of 109 decks +2% synergy
Tireless Provisioner
28% of 108 decks +17% synergy
Lotus Cobra
28% of 109 decks +20% synergy
Farhaven Elf
27% of 109 decks +23% synergy
Reflector Mage
26% of 38 decks +25% synergy
Preston, the Vanisher
25% of 32 decks +24% synergy
Ramunap Excavator
25% of 109 decks +18% synergy
Venser, Shaper Savant
24% of 109 decks +22% synergy
Scute Swarm
24% of 109 decks +14% synergy
Knight of Autumn
24% of 38 decks +21% synergy
Karmic Guide
24% of 38 decks +19% synergy
Aether Channeler
22% of 99 decks +20% synergy
Loran of the Third Path
22% of 36 decks +15% synergy
Dryad of the Ilysian Grove
22% of 109 decks +14% synergy
Solemn Simulacrum
22% of 109 decks +8% synergy
Displacer Kitten
22% of 101 decks +16% synergy
Oracle of Mul Daya
21% of 109 decks +15% synergy
Sakura-Tribe Elder
21% of 109 decks +2% synergy
Mistmeadow Witch
21% of 38 decks +20% synergy
Flickerwisp
21% of 38 decks +19% synergy
Kodama of the East Tree
20% of 109 decks +17% synergy
Uro, Titan of Nature's Wrath
20% of 109 decks +16% synergy
Yarok, the Desecrated
20% of 35 decks +17% synergy
Springheart Nantuko
20% of 20 decks +12% synergy
Gray Merchant of Asphodel
20% of 35 decks +11% synergy
Springbloom Druid
19% of 109 decks +15% synergy
Ardent Elementalist
19% of 16 decks +18% synergy
Instants
Mystical Tutor
38% of 109 decks +23% synergy
Cloudshift
37% of 38 decks +34% synergy
Vampiric Tutor
34% of 35 decks +16% synergy
Momentary Blink
34% of 38 decks +31% synergy
Path to Exile
32% of 38 decks -14% synergy
Chaos Warp
29% of 17 decks -3% synergy
Lae'zel's Acrobatics
29% of 38 decks +27% synergy
Eladamri's Call
29% of 38 decks +18% synergy
Assassin's Trophy
29% of 35 decks -2% synergy
Worldly Tutor
28% of 109 decks +14% synergy
Enlightened Tutor
26% of 38 decks +9% synergy
Dovin's Veto
26% of 38 decks +7% synergy
Void Rend
25% of 12 decks +10% synergy
Anguished Unmaking
25% of 12 decks +1% synergy
Heroic Intervention
23% of 109 decks -7% synergy
An Offer You Can't Refuse
22% of 103 decks +2% synergy
Crop Rotation
22% of 109 decks +12% synergy
Entish Restoration
21% of 56 decks +13% synergy
Displace
21% of 109 decks +19% synergy
Ghostway
21% of 38 decks +20% synergy
Flicker of Fate
21% of 38 decks +20% synergy
Teferi's Protection
21% of 38 decks +1% synergy
Generous Gift
21% of 38 decks -5% synergy
Negate
20% of 109 decks -3% synergy
Fierce Guardianship
19% of 109 decks +1% synergy
Growth Spiral
19% of 109 decks -3% synergy
Semester's End
18% of 38 decks +16% synergy
Essence Flux
18% of 109 decks +16% synergy
Swan Song
18% of 109 decks +2% synergy
Arcane Denial
18% of 109 decks -1% synergy
Deflecting Swat
18% of 17 decks +1% synergy
Nexus of Fate
15% of 109 decks +13% synergy
Harrow
15% of 109 decks +5% synergy
Force of Will
15% of 109 decks +4% synergy
Deadly Rollick
14% of 35 decks +4% synergy
Veil of Summer
14% of 109 decks +8% synergy
Frantic Search
14% of 109 decks +2% synergy
Turn to Mist
13% of 38 decks +13% synergy
Krosan Grip
13% of 109 decks +5% synergy
Force of Negation
13% of 109 decks +4% synergy
Mana Drain
13% of 109 decks -2% synergy
Brainstorm
13% of 109 decks -8% synergy
Pact of Negation
12% of 109 decks +4% synergy
Dark Ritual
11% of 35 decks -11% synergy
Teferi's Time Twist
11% of 109 decks +10% synergy
Reality Shift
11% of 109 decks +2% synergy
Abrupt Decay
9% of 35 decks -2% synergy
Rapid Hybridization
8% of 109 decks -1% synergy
Cosmic Intervention
8% of 38 decks +7% synergy
Planar Incision
7% of 107 decks +6% synergy
Sorceries
Demonic Tutor
43% of 35 decks +20% synergy
Nature's Lore
41% of 109 decks +9% synergy
Farseek
41% of 109 decks +7% synergy
Cultivate
39% of 109 decks -8% synergy
Three Visits
34% of 109 decks +9% synergy
Time Warp
32% of 109 decks +30% synergy
Kodama's Reach
28% of 109 decks -3% synergy
Rampant Growth
28% of 109 decks -6% synergy
Merciless Eviction
25% of 12 decks +20% synergy
Damn
25% of 12 decks +8% synergy
Temporal Manipulation
25% of 109 decks +24% synergy
Toxic Deluge
23% of 35 decks +6% synergy
Capture of Jingzhou
20% of 109 decks +20% synergy
Farewell
18% of 38 decks +5% synergy
Skyshroud Claim
18% of 109 decks +9% synergy
Jeska's Will
18% of 17 decks +0% synergy
Time Wipe
16% of 38 decks +9% synergy
Bridgeworks Battle
15% of 20 decks +9% synergy
Doppelgang
15% of 34 decks +11% synergy
Emergent Ultimatum
14% of 35 decks +11% synergy
Imperial Seal
14% of 35 decks +8% synergy
Diabolic Tutor
14% of 35 decks +8% synergy
Damnation
14% of 35 decks +6% synergy
Austere Command
13% of 38 decks +0% synergy
Time Stretch
13% of 109 decks +11% synergy
Green Sun's Zenith
13% of 109 decks +7% synergy
Finale of Devastation
13% of 109 decks +5% synergy
Bala Ged Recovery
12% of 109 decks +3% synergy
Torment of Hailfire
11% of 35 decks +6% synergy
Rite of Replication
11% of 109 decks +8% synergy
Winds of Abandon
11% of 38 decks +8% synergy
Supreme Verdict
11% of 38 decks -4% synergy
Life from the Loam
10% of 109 decks +6% synergy
Lórien Revealed
9% of 53 decks +6% synergy
Solve the Equation
9% of 108 decks +5% synergy
Temporal Mastery
9% of 109 decks +8% synergy
Splendid Reclamation
9% of 109 decks +5% synergy
Windfall
9% of 109 decks -4% synergy
Profane Tutor
9% of 35 decks +6% synergy
Alrund's Epiphany
8% of 108 decks +7% synergy
Part the Waterveil
8% of 109 decks +8% synergy
Tooth and Nail
8% of 109 decks +7% synergy
Neoform
8% of 109 decks +3% synergy
Ponder
8% of 109 decks -5% synergy
Cleansing Nova
8% of 38 decks +4% synergy
Temporal Trespass
7% of 109 decks +6% synergy
Karn's Temporal Sundering
7% of 109 decks +6% synergy
Expropriate
7% of 109 decks +6% synergy
Urban Evolution
7% of 109 decks +3% synergy
Eldritch Evolution
7% of 109 decks +3% synergy
Utility Artifacts
Panharmonicon
38% of 109 decks +34% synergy
Conjurer's Closet
34% of 109 decks +32% synergy
Swiftfoot Boots
20% of 109 decks -8% synergy
Conduit of Worlds
20% of 82 decks +13% synergy
Lightning Greaves
19% of 109 decks -6% synergy
Crucible of Worlds
17% of 109 decks +15% synergy
Sensei's Divining Top
10% of 109 decks +5% synergy
Sword of Hearth and Home
9% of 108 decks +7% synergy
Isochron Scepter
9% of 109 decks +7% synergy
The Great Henge
9% of 109 decks -1% synergy
Strionic Resonator
8% of 109 decks +5% synergy
The One Ring
8% of 75 decks -1% synergy
Scroll Rack
7% of 109 decks +6% synergy
Altar of the Brood
6% of 109 decks +5% synergy
Sting, the Glinting Dagger
6% of 53 decks +4% synergy
Lithoform Engine
6% of 109 decks +4% synergy
Enchantments
Nahiri's Resolve
75% of 4 decks +73% synergy
Virtue of Knowledge
40% of 50 decks +37% synergy
Rhystic Study
32% of 109 decks +4% synergy
Smothering Tithe
26% of 38 decks +1% synergy
Mystic Remora
26% of 109 decks +8% synergy
Exploration
25% of 109 decks +16% synergy
Guardian Project
20% of 109 decks +12% synergy
Spelunking
20% of 40 decks +15% synergy
Aura Shards
18% of 38 decks +9% synergy
Sylvan Library
17% of 109 decks +6% synergy
Touch the Spirit Realm
11% of 38 decks +8% synergy
Wild Growth
10% of 109 decks -1% synergy
Undergrowth Recon
10% of 31 decks +8% synergy
Retreat to Coralhelm
9% of 109 decks +7% synergy
Omniscience
9% of 109 decks +6% synergy
Utopia Sprawl
9% of 109 decks +2% synergy
Retreat to Hagra
9% of 35 decks +7% synergy
Trade Routes
8% of 109 decks +8% synergy
Burgeoning
8% of 109 decks +5% synergy
Leyline of Anticipation
8% of 109 decks +4% synergy
Felidar Retreat
8% of 38 decks +1% synergy
Mirari's Wake
8% of 38 decks -6% synergy
Zendikar's Roil
7% of 109 decks +5% synergy
Propaganda
7% of 109 decks -4% synergy
Tribute to the World Tree
7% of 73 decks -1% synergy
Virtue of Strength
7% of 44 decks +4% synergy
Abundance
6% of 109 decks +4% synergy
Defense of the Heart
6% of 109 decks +4% synergy
Wilderness Reclamation
6% of 109 decks +3% synergy
Khalni Heart Expedition
6% of 109 decks +3% synergy
Garruk's Uprising
6% of 109 decks -10% synergy
Battles
Invasion of Zendikar
7% of 69 decks +5% synergy
Planeswalkers
The Eternal Wanderer
38% of 26 decks +35% synergy
Wrenn and Six
18% of 17 decks +16% synergy
Venser, the Sojourner
13% of 38 decks +11% synergy
Teferi, Time Raveler
13% of 38 decks +7% synergy
Jace, Wielder of Mysteries
9% of 109 decks +6% synergy
Oko, Thief of Crowns
9% of 109 decks +3% synergy
Wrenn and Seven
7% of 107 decks +6% synergy
Nissa, Who Shakes the World
6% of 109 decks +3% synergy
Kiora, Behemoth Beckoner
6% of 109 decks +2% synergy
Utility Lands
Reliquary Tower
53% of 109 decks +24% synergy
Mystic Sanctuary
36% of 109 decks +23% synergy
Yavimaya, Cradle of Growth
26% of 108 decks +17% synergy
Sunken Palace
24% of 17 decks +22% synergy
Otawara, Soaring City
23% of 107 decks +6% synergy
Bojuka Bog
23% of 35 decks -8% synergy
Field of the Dead
22% of 109 decks +19% synergy
Alchemist's Refuge
21% of 109 decks +14% synergy
Boseiju, Who Endures
21% of 107 decks +1% synergy
Strip Mine
19% of 109 decks +16% synergy
Shifting Woodland
15% of 20 decks +5% synergy
Temple of the False God
15% of 109 decks +5% synergy
Cabal Coffers
14% of 35 decks +3% synergy
Ancient Tomb
14% of 109 decks +3% synergy
Command Beacon
13% of 109 decks +8% synergy
Mortuary Mire
11% of 35 decks +6% synergy
Phyrexian Tower
11% of 35 decks +3% synergy
Dryad Arbor
10% of 109 decks +6% synergy
Thespian's Stage
9% of 109 decks +7% synergy
Urborg, Tomb of Yawgmoth
9% of 109 decks -1% synergy
Takenuma, Abandoned Mire
9% of 34 decks -2% synergy
Oboro, Palace in the Clouds
8% of 109 decks +8% synergy
Dark Depths
8% of 109 decks +7% synergy
Maze of Ith
8% of 109 decks +5% synergy
Lonely Sandbar
8% of 109 decks +5% synergy
Eiganjo, Seat of the Empire
8% of 38 decks -1% synergy
Guildless Commons
7% of 109 decks +6% synergy
Tranquil Thicket
7% of 109 decks +4% synergy
Mosswort Bridge
7% of 109 decks -3% synergy
Rogue's Passage
7% of 109 decks -12% synergy
Lotus Field
6% of 109 decks +5% synergy
Gaea's Cradle
6% of 109 decks +1% synergy
Urza's Saga
6% of 108 decks -2% synergy
Glacial Chasm
6% of 109 decks +5% synergy
Blast Zone
6% of 109 decks +4% synergy
Castle Garenbrig
6% of 109 decks +0% synergy
Mana Artifacts
Sol Ring
81% of 109 decks -4% synergy
Arcane Signet
53% of 109 decks -19% synergy
Talisman of Curiosity
16% of 109 decks +3% synergy
Chromatic Lantern
14% of 109 decks +4% synergy
Simic Signet
14% of 109 decks -1% synergy
Thought Vessel
12% of 109 decks -5% synergy
Fellwar Stone
12% of 109 decks -9% synergy
Talisman of Resilience
11% of 35 decks -0% synergy
Dimir Signet
11% of 35 decks -18% synergy
Azorius Signet
11% of 38 decks -16% synergy
Mana Crypt
10% of 109 decks +1% synergy
Decanter of Endless Water
9% of 101 decks +4% synergy
Golgari Signet
9% of 35 decks -4% synergy
Selesnya Signet
8% of 38 decks -1% synergy
Commander's Sphere
6% of 109 decks -9% synergy
Jeweled Lotus
6% of 109 decks -1% synergy
Lands
Command Tower
89% of 109 decks +15% synergy
Ketria Triome
71% of 17 decks +38% synergy
Steam Vents
71% of 17 decks +31% synergy
Stomping Ground
71% of 17 decks +29% synergy
Raffine's Tower
67% of 12 decks +39% synergy
Xander's Lounge
62% of 8 decks +35% synergy
Ziatora's Proving Ground
62% of 8 decks +30% synergy
Spara's Headquarters
61% of 38 decks +28% synergy
Zagoth Triome
60% of 35 decks +29% synergy
Overgrown Tomb
54% of 35 decks +12% synergy
Breeding Pool
51% of 109 decks +10% synergy
Raugrin Triome
50% of 8 decks +23% synergy
Indatha Triome
50% of 12 decks +19% synergy
Prairie Stream
50% of 38 decks +16% synergy
Canopy Vista
50% of 38 decks +14% synergy
Sacred Foundry
50% of 8 decks +14% synergy
Watery Grave
49% of 35 decks +8% synergy
Misty Rainforest
48% of 109 decks +36% synergy
Yavimaya Coast
44% of 109 decks +18% synergy
Rejuvenating Springs
44% of 109 decks +15% synergy
Tranquil Landscape
43% of 7 decks +26% synergy
Seaside Citadel
42% of 38 decks +16% synergy
Temple Garden
42% of 38 decks +2% synergy
Hallowed Fountain
42% of 38 decks +1% synergy
Simic Growth Chamber
40% of 109 decks +21% synergy
Hinterland Harbor
40% of 109 decks +13% synergy
Jetmir's Garden
38% of 8 decks +4% synergy
Fabled Passage
37% of 109 decks +27% synergy
Undergrowth Stadium
34% of 35 decks +8% synergy
Exotic Orchard
33% of 109 decks -3% synergy
Meticulous Archive
30% of 10 decks +20% synergy
Lush Portico
30% of 10 decks +18% synergy
Gruul Turf
29% of 17 decks +13% synergy
Izzet Boilerworks
29% of 17 decks +13% synergy
Rootbound Crag
29% of 17 decks +6% synergy
Sulfur Falls
29% of 17 decks -1% synergy
Selesnya Sanctuary
29% of 38 decks +15% synergy
Verdant Catacombs
28% of 109 decks +17% synergy
Dreamroot Cascade
27% of 107 decks +9% synergy
Evolving Wilds
27% of 109 decks +6% synergy
Bountiful Promenade
26% of 38 decks +2% synergy
Sea of Clouds
26% of 38 decks +0% synergy
Morphic Pool
26% of 35 decks -0% synergy
Flooded Strand
26% of 109 decks +15% synergy
Vault of Champions
25% of 12 decks -1% synergy
Windswept Heath
25% of 109 decks +14% synergy
Irrigated Farmland
24% of 38 decks +16% synergy
Azorius Chancery
24% of 38 decks +9% synergy
Brushland
24% of 38 decks +8% synergy
Adarkar Wastes
24% of 38 decks +6% synergy