Chthonian Nightmare
Eternal Witness
Walk the Aeons

   Prerequisites

What do I need to start this combo?
Eternal Witness in your graveyard.
Chthonian Nightmare and Walk the Aeons in hand.
You control a nontoken creature with mana value 3 or less.
4 the first turn, with 6 each extra turn available

   Steps

How does this combo work?
1
Cast Walk the Aeons by paying 4, causing you to take an extra turn after this one.
2
Move to your next turn.
3
Cast Chthonian Nightmare by paying 1.
4
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
5
Activate Chthonian Nightmare by paying eee, sacrificing a creature with mana value 3 or less, and returning Chthonian Nightmare from the battlefield to your hand, returning Eternal Witness from your graveyard to the battlefield.
6
When Eternal Witness enters the battlefield, it triggers, returning Walk the Aeons from your graveyard to your hand.
7
Cast Chthonian Nightmare by paying 1.
8
When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
9
Activate Chthonian Nightmare by paying at most eee, sacrificing Eternal Witness, and returning Chthonian Nightmare from the battlefield to your hand, returning a creature with mana value 3 or less from your graveyard to the battlefield.
10
Repeat.

   Results

What do I get from this combo?
Infinite turns
Lock
Yarok, the Desecrated
0.0%inclusion3 decks11.2K decks
Glarb, Calamity's Augur
0.0%inclusion2 decks19.2K decks
Tasigur, the Golden Fang
0.0%inclusion1 decks5.83K decks
Teval, the Balanced Scale
0.0%inclusion1 decks26.8K decks
New Cards
Sodden Verdure
50%inclusion1 decks2 decks
45%synergy
High Synergy Cards
Tireless Provisioner
86%inclusion6 decks7 decks
76%synergy
Tatyova, Benthic Druid
86%inclusion6 decks7 decks
69%synergy
Uro, Titan of Nature's Wrath
71%inclusion5 decks7 decks
62%synergy
Azusa, Lost but Seeking
71%inclusion5 decks7 decks
61%synergy
Kodama of the East Tree
57%inclusion4 decks7 decks
55%synergy
Muldrotha, the Gravetide
71%inclusion5 decks7 decks
50%synergy
Dryad of the Ilysian Grove
57%inclusion4 decks7 decks
48%synergy
Lotus Cobra
57%inclusion4 decks7 decks
48%synergy
Aftermath Analyst
57%inclusion4 decks7 decks
46%synergy
Ramunap Excavator
57%inclusion4 decks7 decks
45%synergy
Top Cards
The Gitrog Monster
57%inclusion4 decks7 decks
43%synergy
Conduit of Worlds
57%inclusion4 decks7 decks
42%synergy
Victimize
57%inclusion4 decks7 decks
42%synergy
Life from the Loam
57%inclusion4 decks7 decks
41%synergy
Six
57%inclusion4 decks7 decks
41%synergy
Farseek
57%inclusion4 decks7 decks
12%synergy
Game Changers
Field of the Dead
71%inclusion5 decks7 decks
61%synergy
Crop Rotation
43%inclusion3 decks7 decks
31%synergy
Glacial Chasm
29%inclusion2 decks7 decks
26%synergy
Demonic Tutor
29%inclusion2 decks7 decks
12%synergy
Notion Thief
14%inclusion1 decks7 decks
10%synergy
Worldly Tutor
14%inclusion1 decks7 decks
5%synergy
Creatures
Icetill Explorer
75%inclusion3 decks4 decks
58%synergy
Nissa, Resurgent Animist
43%inclusion3 decks7 decks
41%synergy
Peregrine Drake
43%inclusion3 decks7 decks
40%synergy
Deadeye Navigator
43%inclusion3 decks7 decks
40%synergy
Springheart Nantuko
43%inclusion3 decks7 decks
39%synergy
Ancient Greenwarden
43%inclusion3 decks7 decks
39%synergy
Oracle of Mul Daya
43%inclusion3 decks7 decks
38%synergy
Coiling Oracle
43%inclusion3 decks7 decks
37%synergy
Mulldrifter
43%inclusion3 decks7 decks
35%synergy
Timeless Witness
43%inclusion3 decks7 decks
33%synergy
Elvish Mystic
43%inclusion3 decks7 decks
33%synergy
Syr Konrad, the Grim
43%inclusion3 decks7 decks
26%synergy
Kheru Goldkeeper
40%inclusion2 decks5 decks
27%synergy
Dread Presence
29%inclusion2 decks7 decks
28%synergy
Dosan the Falling Leaf
29%inclusion2 decks7 decks
28%synergy
Fierce Empath
29%inclusion2 decks7 decks
28%synergy
Aether Channeler
29%inclusion2 decks7 decks
27%synergy
Venser, Shaper Savant
29%inclusion2 decks7 decks
27%synergy
Risen Reef
29%inclusion2 decks7 decks
26%synergy
Zulaport Cutthroat
29%inclusion2 decks7 decks
26%synergy
Sylvan Safekeeper
29%inclusion2 decks7 decks
25%synergy
Loot, Exuberant Explorer
29%inclusion2 decks7 decks
25%synergy
Displacer Kitten
29%inclusion2 decks7 decks
24%synergy
Lumra, Bellow of the Woods
29%inclusion2 decks7 decks
23%synergy
Underrealm Lich
29%inclusion2 decks7 decks
23%synergy
Craterhoof Behemoth
29%inclusion2 decks7 decks
22%synergy
Spore Frog
29%inclusion2 decks7 decks
21%synergy
World Shaper
29%inclusion2 decks7 decks
21%synergy
Aesi, Tyrant of Gyre Strait
29%inclusion2 decks7 decks
19%synergy
Reclamation Sage
29%inclusion2 decks7 decks
19%synergy
Birds of Paradise
29%inclusion2 decks7 decks
-1%synergy
The Earth King
25%inclusion1 decks4 decks
25%synergy
Horizon Explorer
25%inclusion1 decks4 decks
23%synergy
Wan Shi Tong, Librarian
25%inclusion1 decks4 decks
21%synergy
Teval, the Balanced Scale
20%inclusion1 decks5 decks
13%synergy
Kishla Skimmer
20%inclusion1 decks5 decks
9%synergy
Colossal Grave-Reaver
20%inclusion1 decks5 decks
2%synergy
Horizon Seeker
14%inclusion1 decks7 decks
14%synergy
Yarok's Fenlurker
14%inclusion1 decks7 decks
14%synergy
Trench Behemoth
14%inclusion1 decks7 decks
14%synergy
Greedy Freebooter
14%inclusion1 decks7 decks
14%synergy
Crabomination
14%inclusion1 decks7 decks
14%synergy
Mindwhisker
14%inclusion1 decks7 decks
14%synergy
Prosperous Innkeeper
14%inclusion1 decks7 decks
14%synergy
Biovisionary
14%inclusion1 decks7 decks
14%synergy
Shrieking Drake
14%inclusion1 decks7 decks
14%synergy
Meloku the Clouded Mirror
14%inclusion1 decks7 decks
13%synergy
Carrion Feeder
14%inclusion1 decks7 decks
13%synergy
Burnished Hart
14%inclusion1 decks7 decks
13%synergy
Temur Sabertooth
14%inclusion1 decks7 decks
13%synergy
Instants
Dark Ritual
43%inclusion3 decks7 decks
30%synergy
Assassin's Trophy
43%inclusion3 decks7 decks
7%synergy
Realms Uncharted
29%inclusion2 decks7 decks
28%synergy
Muddle the Mixture
29%inclusion2 decks7 decks
27%synergy
Ghostly Flicker
29%inclusion2 decks7 decks
25%synergy
Entomb
29%inclusion2 decks7 decks
20%synergy
Growth Spiral
29%inclusion2 decks7 decks
12%synergy
Negate
29%inclusion2 decks7 decks
12%synergy
An Offer You Can't Refuse
29%inclusion2 decks7 decks
7%synergy
Beast Within
29%inclusion2 decks7 decks
1%synergy
Heartless Act
14%inclusion1 decks7 decks
14%synergy
Disdainful Stroke
14%inclusion1 decks7 decks
13%synergy
Disallow
14%inclusion1 decks7 decks
13%synergy
Refute
14%inclusion1 decks7 decks
13%synergy
Withering Torment
14%inclusion1 decks7 decks
13%synergy
Snap
14%inclusion1 decks7 decks
12%synergy
Chord of Calling
14%inclusion1 decks7 decks
11%synergy
Entish Restoration
14%inclusion1 decks7 decks
10%synergy
Grapple with the Past
14%inclusion1 decks7 decks
8%synergy
Frantic Search
14%inclusion1 decks7 decks
7%synergy
Abrupt Decay
14%inclusion1 decks7 decks
3%synergy
Mana Drain
14%inclusion1 decks7 decks
2%synergy
Heroic Intervention
14%inclusion1 decks7 decks
-8%synergy
Sorceries
Toxic Deluge
43%inclusion3 decks7 decks
24%synergy
Reanimate
43%inclusion3 decks7 decks
20%synergy
Three Visits
43%inclusion3 decks7 decks
18%synergy
Nature's Lore
43%inclusion3 decks7 decks
14%synergy
Cultivate
43%inclusion3 decks7 decks
1%synergy
Capture of Jingzhou
29%inclusion2 decks7 decks
28%synergy
Beseech the Queen
29%inclusion2 decks7 decks
28%synergy
Dark Petition
29%inclusion2 decks7 decks
28%synergy
Beseech the Mirror
29%inclusion2 decks7 decks
26%synergy
Green Sun's Zenith
29%inclusion2 decks7 decks
25%synergy
Splendid Reclamation
29%inclusion2 decks7 decks
24%synergy
Breach the Multiverse
29%inclusion2 decks7 decks
21%synergy
Dread Return
29%inclusion2 decks7 decks
18%synergy
Kodama's Reach
29%inclusion2 decks7 decks
5%synergy
Boomerang Basics
25%inclusion1 decks4 decks
25%synergy
Demonic Collusion
14%inclusion1 decks7 decks
14%synergy
Time Stretch
14%inclusion1 decks7 decks
14%synergy
Empty the Laboratory
14%inclusion1 decks7 decks
14%synergy
Personal Tutor
14%inclusion1 decks7 decks
14%synergy
Ringsight
14%inclusion1 decks7 decks
14%synergy
Exhume
14%inclusion1 decks7 decks
14%synergy
Dryad's Revival
14%inclusion1 decks7 decks
13%synergy
Unearth
14%inclusion1 decks7 decks
13%synergy
Genesis Wave
14%inclusion1 decks7 decks
13%synergy
Life // Death
14%inclusion1 decks7 decks
13%synergy
Persist
14%inclusion1 decks7 decks
13%synergy
Rite of Replication
14%inclusion1 decks7 decks
12%synergy
Necromantic Selection
14%inclusion1 decks7 decks
11%synergy
Emergent Ultimatum
14%inclusion1 decks7 decks
11%synergy
Doppelgang
14%inclusion1 decks7 decks
11%synergy
Rise of the Witch-king
14%inclusion1 decks7 decks
11%synergy
Blasphemous Edict
14%inclusion1 decks7 decks
10%synergy
Diabolic Intent
14%inclusion1 decks7 decks
9%synergy
Eldritch Evolution
14%inclusion1 decks7 decks
9%synergy
Skyshroud Claim
14%inclusion1 decks7 decks
9%synergy
Finale of Devastation
14%inclusion1 decks7 decks
7%synergy
Explore
14%inclusion1 decks7 decks
7%synergy
Rise of the Dark Realms
14%inclusion1 decks7 decks
7%synergy
Damnation
14%inclusion1 decks7 decks
6%synergy
Living Death
14%inclusion1 decks7 decks
2%synergy
Villainous Wealth
14%inclusion1 decks7 decks
-3%synergy
Utility Artifacts
Crucible of Worlds
43%inclusion3 decks7 decks
36%synergy
Altar of Dementia
43%inclusion3 decks7 decks
35%synergy
Lightning Greaves
43%inclusion3 decks7 decks
20%synergy
Oblivion Stone
29%inclusion2 decks7 decks
28%synergy
Zuran Orb
29%inclusion2 decks7 decks
27%synergy
Expedition Map
29%inclusion2 decks7 decks
25%synergy
Amulet of Vigor
29%inclusion2 decks7 decks
25%synergy
The Great Henge
29%inclusion2 decks7 decks
23%synergy
Hedge Shredder
29%inclusion2 decks7 decks
13%synergy
Throne of the Grim Captain
14%inclusion1 decks7 decks
14%synergy
Dino DNA
14%inclusion1 decks7 decks
14%synergy
Altar of Bhaal
14%inclusion1 decks7 decks
14%synergy
Embalmer's Tools
14%inclusion1 decks7 decks
14%synergy
Mirage Mirror
14%inclusion1 decks7 decks
14%synergy
The Everflowing Well
14%inclusion1 decks7 decks
13%synergy
Agatha's Soul Cauldron
14%inclusion1 decks7 decks
12%synergy
Birthing Pod
14%inclusion1 decks7 decks
12%synergy
Phyrexian Altar
14%inclusion1 decks7 decks
10%synergy
Swiftfoot Boots
14%inclusion1 decks7 decks
-10%synergy
Enchantments
Spelunking
43%inclusion3 decks7 decks
37%synergy
Exploration
43%inclusion3 decks7 decks
32%synergy
Animate Dead
43%inclusion3 decks7 decks
30%synergy
Mystic Remora
43%inclusion3 decks7 decks
27%synergy
Dark Heart of the Wood
29%inclusion2 decks7 decks
29%synergy
City of Solitude
29%inclusion2 decks7 decks
29%synergy
Prismatic Omen
29%inclusion2 decks7 decks
28%synergy
Squandered Resources
29%inclusion2 decks7 decks
28%synergy
Case of the Locked Hothouse
29%inclusion2 decks7 decks
26%synergy
Tortured Existence
29%inclusion2 decks7 decks
24%synergy
Walk-In Closet // Forgotten Cellar
29%inclusion2 decks7 decks
24%synergy
Sylvan Library
29%inclusion2 decks7 decks
21%synergy
Insidious Roots
29%inclusion2 decks7 decks
21%synergy
Earthbender Ascension
25%inclusion1 decks4 decks
24%synergy
Glacierwood Siege
20%inclusion1 decks5 decks
15%synergy
Awaken the Honored Dead
20%inclusion1 decks5 decks
12%synergy
Screams from Within
14%inclusion1 decks7 decks
14%synergy
Attrition
14%inclusion1 decks7 decks
14%synergy
Trade Routes
14%inclusion1 decks7 decks
14%synergy
Unable to Scream
14%inclusion1 decks7 decks
13%synergy
Nature's Will
14%inclusion1 decks7 decks
12%synergy
Food Chain
14%inclusion1 decks7 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion1 decks7 decks
12%synergy
Greater Good
14%inclusion1 decks7 decks
12%synergy
Burgeoning
14%inclusion1 decks7 decks
11%synergy
Titans' Nest
14%inclusion1 decks7 decks
11%synergy
Black Market Connections
14%inclusion1 decks7 decks
10%synergy
Oversold Cemetery
14%inclusion1 decks7 decks
10%synergy
Seal of Primordium
14%inclusion1 decks7 decks
9%synergy
Phyrexian Arena
14%inclusion1 decks7 decks
9%synergy
Kaya's Ghostform
14%inclusion1 decks7 decks
8%synergy
Garruk's Uprising
14%inclusion1 decks7 decks
7%synergy
Ripples of Undeath
14%inclusion1 decks7 decks
0%synergy
Battles
Invasion of Arcavios
14%inclusion1 decks7 decks
14%synergy
Planeswalkers
Oko, Thief of Crowns
14%inclusion1 decks7 decks
11%synergy
Utility Lands
Shifting Woodland
57%inclusion4 decks7 decks
44%synergy
Mystic Sanctuary
43%inclusion3 decks7 decks
40%synergy
Urza's Saga
43%inclusion3 decks7 decks
38%synergy
Cabal Coffers
43%inclusion3 decks7 decks
38%synergy
Otawara, Soaring City
43%inclusion3 decks7 decks
27%synergy
Boseiju, Who Endures
43%inclusion3 decks7 decks
21%synergy
Reliquary Tower
43%inclusion3 decks7 decks
15%synergy
Crystal Vein
29%inclusion2 decks7 decks
28%synergy
Oboro, Palace in the Clouds
29%inclusion2 decks7 decks
28%synergy
Buried Ruin
29%inclusion2 decks7 decks
28%synergy
Witch's Cottage
29%inclusion2 decks7 decks
28%synergy
Barren Moor
29%inclusion2 decks7 decks
27%synergy
Echoing Deeps
29%inclusion2 decks7 decks
27%synergy
Tranquil Thicket
29%inclusion2 decks7 decks
27%synergy
Phyrexian Tower
29%inclusion2 decks7 decks
24%synergy
Urborg, Tomb of Yawgmoth
29%inclusion2 decks7 decks
11%synergy
Yavimaya, Cradle of Growth
29%inclusion2 decks7 decks
9%synergy
Bojuka Bog
29%inclusion2 decks7 decks
3%synergy
Khalni Garden
14%inclusion1 decks7 decks
14%synergy
Arid Archway
14%inclusion1 decks7 decks
14%synergy
Guildless Commons
14%inclusion1 decks7 decks
13%synergy
Dryad Arbor
14%inclusion1 decks7 decks
12%synergy
Dark Depths
14%inclusion1 decks7 decks
11%synergy
Strip Mine
14%inclusion1 decks7 decks
9%synergy
Thespian's Stage
14%inclusion1 decks7 decks
9%synergy
Dakmor Salvage
14%inclusion1 decks7 decks
8%synergy
Temple of the False God
14%inclusion1 decks7 decks
4%synergy
Mana Artifacts
Sol Ring
71%inclusion5 decks7 decks
-11%synergy
Arcane Signet
43%inclusion3 decks7 decks
-29%synergy
Thought Vessel
29%inclusion2 decks7 decks
20%synergy
Lotus Petal
29%inclusion2 decks7 decks
20%synergy
Dimir Signet
14%inclusion1 decks7 decks
6%synergy
Golgari Signet
14%inclusion1 decks7 decks
6%synergy
Simic Signet
14%inclusion1 decks7 decks
4%synergy
Fellwar Stone
14%inclusion1 decks7 decks
-1%synergy
Lands
Overgrown Tomb
86%inclusion6 decks7 decks
39%synergy
Underground Mortuary
71%inclusion5 decks7 decks
53%synergy
Hedge Maze
71%inclusion5 decks7 decks
52%synergy
Misty Rainforest
71%inclusion5 decks7 decks
37%synergy
Verdant Catacombs
71%inclusion5 decks7 decks
37%synergy
Polluted Delta
71%inclusion5 decks7 decks
36%synergy
Zagoth Triome
71%inclusion5 decks7 decks
33%synergy
Watery Grave
71%inclusion5 decks7 decks
26%synergy
Breeding Pool
71%inclusion5 decks7 decks
25%synergy
Undercity Sewers
57%inclusion4 decks7 decks
40%synergy
Simic Growth Chamber
57%inclusion4 decks7 decks
40%synergy
Golgari Rot Farm
57%inclusion4 decks7 decks
37%synergy
Command Tower
57%inclusion4 decks7 decks
-33%synergy
Bloodstained Mire
43%inclusion3 decks7 decks
33%synergy
Fabled Passage
43%inclusion3 decks7 decks
28%synergy
Drowned Catacomb
43%inclusion3 decks7 decks
9%synergy
Woodland Cemetery
43%inclusion3 decks7 decks
-3%synergy
Hinterland Harbor
43%inclusion3 decks7 decks
-4%synergy
Ice Tunnel
29%inclusion2 decks7 decks
25%synergy
Nurturing Peatland
29%inclusion2 decks7 decks
25%synergy
Woodland Chasm
29%inclusion2 decks7 decks
25%synergy
Waterlogged Grove
29%inclusion2 decks7 decks
23%synergy
Scalding Tarn
29%inclusion2 decks7 decks
19%synergy
Marsh Flats
29%inclusion2 decks7 decks
19%synergy
Wooded Foothills
29%inclusion2 decks7 decks
19%synergy
Flooded Strand
29%inclusion2 decks7 decks
18%synergy
Windswept Heath
29%inclusion2 decks7 decks
18%synergy
Dimir Aqueduct
29%inclusion2 decks7 decks
12%synergy
Terramorphic Expanse
29%inclusion2 decks7 decks
4%synergy
Evolving Wilds
29%inclusion2 decks7 decks
1%synergy
Yavimaya Coast
29%inclusion2 decks7 decks
0%synergy
Dreamroot Cascade
29%inclusion2 decks7 decks
0%synergy
Undergrowth Stadium
29%inclusion2 decks7 decks
-1%synergy
Rejuvenating Springs
29%inclusion2 decks7 decks
-3%synergy
Sunken Hollow
29%inclusion2 decks7 decks
-9%synergy
Opulent Palace
29%inclusion2 decks7 decks
-24%synergy
Exotic Orchard
29%inclusion2 decks7 decks
-28%synergy
Blooming Marsh
14%inclusion1 decks7 decks
11%synergy
Talon Gates of Madara
14%inclusion1 decks7 decks
10%synergy
Necroblossom Snarl
14%inclusion1 decks7 decks
10%synergy
Darkslick Shores
14%inclusion1 decks7 decks
9%synergy
Gemstone Caverns
14%inclusion1 decks7 decks
9%synergy
Fetid Pools
14%inclusion1 decks7 decks
1%synergy
Myriad Landscape
14%inclusion1 decks7 decks
1%synergy
Shipwreck Marsh
14%inclusion1 decks7 decks
-1%synergy
Path of Ancestry
14%inclusion1 decks7 decks
-6%synergy
Foreboding Landscape
14%inclusion1 decks7 decks
-9%synergy
Morphic Pool
14%inclusion1 decks7 decks
-11%synergy
Llanowar Wastes
14%inclusion1 decks7 decks
-17%synergy