Kotis, Sibsig Champion
Altar of Dementia
Eternal Witness

   Prerequisites

What do I need to start this combo?
Extra Turn Spell - GY on Resolution in hand.
All other permanents on the battlefield.
You have enough mana available each turn to cast the extra turn spell and enough mana each extra turn to cast Eternal Witness. You have not cast a spell using Kotis

   Steps

How does this combo work?
1
Cast the extra turn spell by paying its mana cost, causing you to take an extra turn after this one.
2
Move to your extra turn.
3
Activate Altar of Dementia by sacrificing Eternal Witness, causing you to mill cards equal to Eternal Witness's power.
4
Cast Eternal Witness from your graveyard by paying its mana cost and exiling three other cards from your graveyard, ensuring not to exile the extra turn spell.
5
When Eternal Witness enters the battlefield, it triggers, returning the extra turn spell from your graveyard to your hand.
6
Repeat.

   Results

What do I get from this combo?
Near-infinite turns
Sin, Spira's Punishment
0.54% of 2056 decks 11 decks
Terra, Magical Adept
0.01% of 7464 decks 1 decks
Top Commanders
Teval, the Balanced Scale
4.42% of 15003 decks 663 decks
Kotis, Sibsig Champion
10.31% of 582 decks 60 decks
Sidisi, Brood Tyrant
1.40% of 2422 decks 34 decks
Muldrotha, the Gravetide
0.24% of 7189 decks 17 decks
Teval, Arbiter of Virtue
0.32% of 3434 decks 11 decks
Kotis, the Fangkeeper
0.02% of 9439 decks 2 decks
The Master, Transcendent
0.20% of 1020 decks 2 decks
The Mimeoplasm
0.06% of 1730 decks 1 decks
Tasigur, the Golden Fang
0.06% of 1816 decks 1 decks
Glarb, Calamity's Augur
0.02% of 6402 decks 1 decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.95% of 105 decks 1 decks
Ravos, Soultender // Thrasios, Triton Hero
0.68% of 146 decks 1 decks
Mimeoplasm, Revered One
0.12% of 867 decks 1 decks
New Cards
Celes, Rune Knight
100% of 1 decks +98% synergy
Icetill Explorer
29% of 131 decks +23% synergy
Fang, Fearless l'Cie
6% of 438 decks +5% synergy
Summon: Titan
6% of 391 decks +2% synergy
Singularity Rupture
4% of 164 decks +2% synergy
High Synergy Cards
Life from the Loam
88% of 807 decks +84% synergy
Teval's Judgment
83% of 804 decks +81% synergy
Colossal Grave-Reaver
84% of 803 decks +78% synergy
Hedron Crab
78% of 807 decks +76% synergy
Six
80% of 807 decks +74% synergy
Gravecrawler
76% of 807 decks +73% synergy
Ripples of Undeath
76% of 807 decks +72% synergy
Muldrotha, the Gravetide
77% of 807 decks +69% synergy
Stitcher's Supplier
70% of 807 decks +67% synergy
Wonder
70% of 807 decks +67% synergy
Top Cards
Victimize
78% of 807 decks +65% synergy
Living Death
71% of 807 decks +65% synergy
Kheru Goldkeeper
70% of 794 decks +65% synergy
Insidious Roots
70% of 807 decks +64% synergy
Reanimate
70% of 807 decks +52% synergy
Conduit of Worlds
69% of 807 decks +63% synergy
Farseek
68% of 807 decks +33% synergy
Sidisi, Brood Tyrant
66% of 807 decks +63% synergy
Hedge Shredder
66% of 807 decks +62% synergy
Skull Prophet
66% of 807 decks +60% synergy
Game Changers
Field of the Dead
47% of 807 decks +44% synergy
Crop Rotation
30% of 807 decks +20% synergy
Cyclonic Rift
17% of 807 decks -8% synergy
Fierce Guardianship
12% of 807 decks -6% synergy
Vampiric Tutor
9% of 807 decks -8% synergy
Gifts Ungiven
7% of 807 decks +6% synergy
Glacial Chasm
6% of 807 decks +5% synergy
Gaea's Cradle
6% of 807 decks +0% synergy
Thassa's Oracle
6% of 807 decks -1% synergy
Worldly Tutor
5% of 807 decks -7% synergy
Creatures
Sakura-Tribe Elder
63% of 807 decks +46% synergy
The Gitrog Monster
63% of 807 decks +56% synergy
Kishla Skimmer
61% of 803 decks +59% synergy
Timeless Witness
58% of 807 decks +55% synergy
Meren of Clan Nel Toth
57% of 807 decks +53% synergy
Aftermath Analyst
56% of 807 decks +52% synergy
Syr Konrad, the Grim
56% of 807 decks +47% synergy
Deathrite Shaman
53% of 807 decks +42% synergy
River Kelpie
52% of 807 decks +51% synergy
The Scarab God
51% of 807 decks +48% synergy
Steward of the Harvest
49% of 804 decks +48% synergy
Avenger of Zendikar
48% of 807 decks +39% synergy
Nyx Weaver
46% of 807 decks +41% synergy
Ramunap Excavator
41% of 807 decks +34% synergy
Ob Nixilis, the Fallen
39% of 807 decks +38% synergy
Floral Evoker
39% of 803 decks +38% synergy
Wight of the Reliquary
36% of 807 decks +30% synergy
Tatyova, Benthic Druid
35% of 807 decks +22% synergy
Shigeki, Jukai Visionary
34% of 807 decks +32% synergy
Lost Monarch of Ifnir
33% of 807 decks +32% synergy
Birds of Paradise
29% of 807 decks +1% synergy
Springbloom Druid
27% of 807 decks +23% synergy
Tormod, the Desecrator
26% of 807 decks +25% synergy
Hermit Druid
26% of 807 decks +25% synergy
Uro, Titan of Nature's Wrath
26% of 807 decks +21% synergy
Jarad, Golgari Lich Lord
25% of 807 decks +21% synergy
Craterhoof Behemoth
22% of 807 decks +15% synergy
Diviner of Mist
20% of 803 decks +20% synergy
Dauthi Voidwalker
20% of 807 decks +13% synergy
Lotuslight Dancers
19% of 793 decks +17% synergy
World Shaper
19% of 807 decks +16% synergy
Scute Swarm
17% of 807 decks +7% synergy
Satyr Wayfinder
17% of 807 decks +15% synergy
Bloodghast
16% of 807 decks +14% synergy
Millikin
16% of 807 decks +15% synergy
Warren Soultrader
14% of 807 decks +9% synergy
Underrealm Lich
14% of 807 decks +11% synergy
Aesi, Tyrant of Gyre Strait
14% of 807 decks +7% synergy
Overlord of the Balemurk
13% of 807 decks +11% synergy
Molt Tender
13% of 807 decks +12% synergy
Golgari Grave-Troll
13% of 807 decks +12% synergy
Teval, the Balanced Scale
13% of 807 decks +11% synergy
Tireless Provisioner
13% of 807 decks +2% synergy
Tasigur, the Golden Fang
12% of 807 decks +11% synergy
Lumra, Bellow of the Woods
12% of 807 decks +10% synergy
Sylvan Safekeeper
12% of 807 decks +8% synergy
Lord of Extinction
11% of 807 decks +9% synergy
Lotus Cobra
10% of 807 decks +2% synergy
Multani, Yavimaya's Avatar
9% of 807 decks +7% synergy
Junji, the Midnight Sky
9% of 807 decks +6% synergy
Instants
Assassin's Trophy
65% of 807 decks +35% synergy
Tear Asunder
50% of 807 decks +43% synergy
Grapple with the Past
47% of 807 decks +46% synergy
Harrow
46% of 807 decks +37% synergy
Putrefy
37% of 807 decks +22% synergy
Lethal Scheme
36% of 807 decks +35% synergy
Beast Within
36% of 807 decks +0% synergy
Counterspell
27% of 807 decks -15% synergy
Grisly Salvage
27% of 807 decks +21% synergy
Entomb
26% of 807 decks +19% synergy
An Offer You Can't Refuse
21% of 807 decks -2% synergy
Heroic Intervention
14% of 807 decks -16% synergy
Noxious Revival
13% of 807 decks +8% synergy
Arcane Denial
11% of 807 decks -9% synergy
Deadly Rollick
11% of 807 decks -2% synergy
Auroral Procession
9% of 807 decks +7% synergy
Forbidden Alchemy
9% of 807 decks +8% synergy
Smuggler's Surprise
9% of 807 decks +7% synergy
Swan Song
9% of 807 decks -8% synergy
Mana Drain
9% of 807 decks -6% synergy
Abrupt Decay
8% of 807 decks -2% synergy
Fell the Profane
8% of 807 decks -1% synergy
Sink into Stupor
7% of 807 decks -3% synergy
Revitalizing Repast
6% of 807 decks -3% synergy
Dark Ritual
6% of 807 decks -18% synergy
Frantic Search
5% of 807 decks -8% synergy
Drag to the Roots
5% of 807 decks +3% synergy
Sorceries
Dread Return
65% of 807 decks +60% synergy
Will of the Sultai
62% of 803 decks +60% synergy
Afterlife from the Loam
57% of 804 decks +56% synergy
Rampant Growth
43% of 807 decks +9% synergy
Welcome the Dead
42% of 803 decks +41% synergy
Nature's Lore
34% of 807 decks +3% synergy
Cultivate
33% of 807 decks -11% synergy
Toxic Deluge
25% of 807 decks +6% synergy
Three Visits
22% of 807 decks -2% synergy
Buried Alive
17% of 807 decks +11% synergy
Treasure Cruise
16% of 807 decks +11% synergy
Bala Ged Recovery
15% of 807 decks +7% synergy
Death Begets Life
10% of 803 decks +7% synergy
Casualties of War
10% of 807 decks +6% synergy
Demonic Tutor
10% of 807 decks -10% synergy
Necromantic Selection
9% of 807 decks +8% synergy
Rise of the Dark Realms
9% of 807 decks +5% synergy
Culling Ritual
9% of 807 decks -3% synergy
Breach the Multiverse
8% of 807 decks +4% synergy
Windfall
7% of 807 decks -5% synergy
Rise of the Witch-king
7% of 807 decks +2% synergy
Blasphemous Edict
7% of 807 decks +0% synergy
Finale of Devastation
6% of 807 decks -2% synergy
Nature's Rhythm
6% of 799 decks +2% synergy
Malevolent Rumble
6% of 807 decks +5% synergy
Squirming Emergence
6% of 807 decks +4% synergy
Damnation
5% of 807 decks -2% synergy
Diabolic Intent
5% of 807 decks -3% synergy
Kodama's Reach
5% of 807 decks -24% synergy
Utility Artifacts
Lightning Greaves
39% of 807 decks +14% synergy
Phyrexian Altar
32% of 807 decks +28% synergy
Mesmeric Orb
20% of 807 decks +18% synergy
Crucible of Worlds
14% of 807 decks +12% synergy
Ashnod's Altar
11% of 807 decks +4% synergy
Essence Anchor
7% of 803 decks +7% synergy
Perpetual Timepiece
7% of 807 decks +6% synergy
Swiftfoot Boots
6% of 807 decks -21% synergy
Cursecloth Wrappings
5% of 807 decks +5% synergy
Zuran Orb
5% of 807 decks +4% synergy
Enchantments
Phyrexian Reclamation
56% of 807 decks +53% synergy
Tortured Existence
53% of 807 decks +51% synergy
Titans' Nest
40% of 807 decks +39% synergy
Animate Dead
37% of 807 decks +28% synergy
Awaken the Honored Dead
23% of 807 decks +19% synergy
Crawling Sensation
19% of 807 decks +18% synergy
Glacierwood Siege
13% of 804 decks +11% synergy
Rhystic Study
12% of 807 decks -14% synergy
Exploration
11% of 807 decks +3% synergy
Walk-In Closet // Forgotten Cellar
11% of 807 decks +8% synergy
Out of the Tombs
10% of 807 decks +9% synergy
Oversold Cemetery
9% of 807 decks +7% synergy
Chthonian Nightmare
8% of 807 decks +6% synergy
Spelunking
8% of 807 decks +4% synergy
Mystic Remora
7% of 807 decks -10% synergy
The Meathook Massacre
6% of 807 decks +1% synergy
Necromancy
5% of 807 decks +2% synergy
Greater Good
5% of 807 decks +0% synergy
Planeswalkers
Grist, the Hunger Tide
8% of 807 decks +4% synergy
Utility Lands
Command Beacon
60% of 807 decks +56% synergy
Cephalid Coliseum
54% of 807 decks +50% synergy
Shifting Woodland
46% of 807 decks +39% synergy
Memorial to Folly
38% of 807 decks +36% synergy
Crypt of Agadeem
36% of 807 decks +35% synergy
Takenuma, Abandoned Mire
35% of 807 decks +25% synergy
Boseiju, Who Endures
34% of 807 decks +15% synergy
Drownyard Temple
32% of 807 decks +31% synergy
Yavimaya, Cradle of Growth
29% of 807 decks +20% synergy
Urborg, Tomb of Yawgmoth
28% of 807 decks +18% synergy
Dakmor Salvage
25% of 807 decks +23% synergy
Bojuka Bog
23% of 807 decks -7% synergy
Otawara, Soaring City
18% of 807 decks +2% synergy
Phyrexian Tower
15% of 807 decks +6% synergy
Strip Mine
14% of 807 decks +12% synergy
Kishla Village
11% of 807 decks +10% synergy
Mistrise Village
11% of 807 decks +3% synergy
Cabal Coffers
9% of 807 decks -1% synergy
Lotus Field
9% of 807 decks +7% synergy
Reliquary Tower
8% of 807 decks -22% synergy
Ghost Quarter
6% of 807 decks +4% synergy
Dryad Arbor
5% of 807 decks +1% synergy
Mana Artifacts
Sol Ring
88% of 807 decks +4% synergy
Arcane Signet
76% of 807 decks +4% synergy
Fellwar Stone
7% of 807 decks -14% synergy
Talisman of Resilience
7% of 807 decks -6% synergy
Talisman of Curiosity
7% of 807 decks -6% synergy
Talisman of Dominance
6% of 807 decks -26% synergy
Lands
Command Tower
98% of 807 decks +23% synergy
Woodland Cemetery
74% of 807 decks +43% synergy
Exotic Orchard
73% of 807 decks +37% synergy
Hinterland Harbor
69% of 807 decks +38% synergy
Dreamroot Cascade
68% of 807 decks +47% synergy
Overgrown Tomb
65% of 807 decks +24% synergy
Watery Grave
63% of 807 decks +23% synergy
Opulent Palace
62% of 807 decks +34% synergy
Breeding Pool
62% of 807 decks +22% synergy
Llanowar Wastes
59% of 807 decks +33% synergy
Polluted Delta
58% of 807 decks +47% synergy
Zagoth Triome
58% of 807 decks +29% synergy
Verdant Catacombs
57% of 807 decks +46% synergy
Misty Rainforest
56% of 807 decks +44% synergy
Foreboding Landscape
52% of 807 decks +43% synergy
Sunken Hollow
51% of 807 decks +16% synergy
Underground Mortuary
44% of 807 decks +32% synergy
Hedge Maze
42% of 807 decks +31% synergy
Undergrowth Stadium
40% of 807 decks +15% synergy
Rejuvenating Springs
39% of 807 decks +11% synergy
Terramorphic Expanse
38% of 807 decks +23% synergy
Undercity Sewers
37% of 807 decks +26% synergy
Golgari Rot Farm
34% of 807 decks +16% synergy
Morphic Pool
27% of 807 decks +2% synergy
Fetid Pools
26% of 807 decks +19% synergy
Darkwater Catacombs
25% of 807 decks +10% synergy
Fabled Passage
23% of 807 decks +14% synergy
Drowned Catacomb
21% of 807 decks -6% synergy
Myriad Landscape
21% of 807 decks +4% synergy
Yavimaya Coast
18% of 807 decks -9% synergy
Deathcap Glade
18% of 807 decks +4% synergy
Temple of Malady
18% of 807 decks +1% synergy
Shipwreck Marsh
16% of 807 decks -3% synergy
Haunted Mire
15% of 807 decks +8% synergy
Evolving Wilds
14% of 807 decks -7% synergy
Underground River
13% of 807 decks -8% synergy
Windswept Heath
13% of 807 decks +2% synergy
Bloodstained Mire
12% of 807 decks +1% synergy
Bayou
12% of 807 decks -2% synergy
Underground Sea
12% of 807 decks -3% synergy
Tropical Island
11% of 807 decks -3% synergy
Wooded Foothills
11% of 807 decks +1% synergy
Flooded Strand
11% of 807 decks -0% synergy
Wastewood Verge
11% of 807 decks +4% synergy
Marsh Flats
10% of 807 decks -0% synergy
Contaminated Aquifer
10% of 807 decks +6% synergy
Willowrush Verge
8% of 807 decks +2% synergy
Simic Growth Chamber
8% of 807 decks -11% synergy
Waterlogged Grove
7% of 807 decks +0% synergy
Gloomlake Verge
7% of 807 decks -2% synergy