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
Lock
Teval, the Balanced Scale
4.0%inclusion1.16K decks28.6K decks
Kotis, Sibsig Champion
8.7%inclusion82 decks943 decks
Sidisi, Brood Tyrant
1.3%inclusion61 decks4.62K decks
Muldrotha, the Gravetide
0.2%inclusion37 decks15.1K decks
Sin, Spira's Punishment
0.5%inclusion22 decks4.39K decks
Teval, Arbiter of Virtue
0.3%inclusion14 decks5.28K decks
The Master, Transcendent
0.2%inclusion4 decks2.37K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.74K decks
Glarb, Calamity's Augur
0.0%inclusion2 decks14.1K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks15.7K decks
The Mimeoplasm
0.1%inclusion2 decks3.95K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.84K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.5%inclusion1 decks211 decks
The Wise Mothman
0.0%inclusion1 decks20.5K decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks320 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks10.4K decks
Terra, Magical Adept
0.0%inclusion1 decks14.8K decks
New Cards
Exhibition Tidecaller
8.3%inclusion1 decks12 decks
8%synergy
Irma, Part-Time Mutant
2.2%inclusion5 decks224 decks
0%synergy
Splinter's Technique
0.6%inclusion2 decks327 decks
0%synergy
The Cloning of Shredder
0.3%inclusion1 decks323 decks
0%synergy
Ninja Teen
0.3%inclusion1 decks323 decks
-1%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.21K decks1.39K decks
82%synergy
Teval's Judgment
83%inclusion1.15K decks1.39K decks
80%synergy
Colossal Grave-Reaver
85%inclusion1.18K decks1.39K decks
80%synergy
Hedron Crab
81%inclusion1.12K decks1.39K decks
79%synergy
Six
79%inclusion1.10K decks1.39K decks
74%synergy
Gravecrawler
77%inclusion1.07K decks1.39K decks
73%synergy
Ripples of Undeath
77%inclusion1.07K decks1.39K decks
72%synergy
Stitcher's Supplier
74%inclusion1.02K decks1.39K decks
70%synergy
Wonder
73%inclusion1.01K decks1.39K decks
69%synergy
Living Death
74%inclusion1.03K decks1.39K decks
69%synergy
Top Cards
Victimize
81%inclusion1.13K decks1.39K decks
69%synergy
Muldrotha, the Gravetide
78%inclusion1.08K decks1.39K decks
68%synergy
Insidious Roots
71%inclusion991 decks1.39K decks
66%synergy
Kheru Goldkeeper
71%inclusion974 decks1.38K decks
66%synergy
Reanimate
71%inclusion980 decks1.39K decks
51%synergy
Skull Prophet
69%inclusion954 decks1.39K decks
63%synergy
Farseek
69%inclusion952 decks1.39K decks
33%synergy
Sidisi, Brood Tyrant
68%inclusion950 decks1.39K decks
65%synergy
Dread Return
68%inclusion946 decks1.39K decks
63%synergy
Conduit of Worlds
68%inclusion944 decks1.39K decks
62%synergy
Game Changers
Field of the Dead
44%inclusion614 decks1.39K decks
41%synergy
Crop Rotation
30%inclusion423 decks1.39K decks
21%synergy
Cyclonic Rift
16%inclusion226 decks1.39K decks
-5%synergy
Fierce Guardianship
12%inclusion161 decks1.39K decks
-6%synergy
Vampiric Tutor
7.8%inclusion108 decks1.39K decks
-7%synergy
Gifts Ungiven
7.3%inclusion101 decks1.39K decks
6%synergy
Glacial Chasm
6.4%inclusion89 decks1.39K decks
6%synergy
Gaea's Cradle
5.3%inclusion73 decks1.39K decks
-1%synergy
Thassa's Oracle
5.3%inclusion73 decks1.39K decks
-1%synergy
Worldly Tutor
5.0%inclusion70 decks1.39K decks
-7%synergy
Creatures
Sakura-Tribe Elder
66%inclusion917 decks1.39K decks
50%synergy
The Gitrog Monster
66%inclusion915 decks1.39K decks
59%synergy
Kishla Skimmer
64%inclusion883 decks1.39K decks
62%synergy
Timeless Witness
62%inclusion864 decks1.39K decks
59%synergy
Syr Konrad, the Grim
61%inclusion846 decks1.39K decks
53%synergy
Meren of Clan Nel Toth
61%inclusion842 decks1.39K decks
57%synergy
Aftermath Analyst
60%inclusion830 decks1.39K decks
55%synergy
Icetill Explorer
56%inclusion455 decks816 decks
49%synergy
River Kelpie
54%inclusion752 decks1.39K decks
53%synergy
The Scarab God
54%inclusion746 decks1.39K decks
51%synergy
Avenger of Zendikar
50%inclusion700 decks1.39K decks
42%synergy
Nyx Weaver
49%inclusion681 decks1.39K decks
44%synergy
Deathrite Shaman
47%inclusion655 decks1.39K decks
36%synergy
Ob Nixilis, the Fallen
44%inclusion616 decks1.39K decks
43%synergy
Steward of the Harvest
41%inclusion573 decks1.39K decks
41%synergy
Shigeki, Jukai Visionary
36%inclusion499 decks1.39K decks
34%synergy
Wight of the Reliquary
35%inclusion483 decks1.39K decks
29%synergy
Tatyova, Benthic Druid
35%inclusion481 decks1.39K decks
23%synergy
Ramunap Excavator
32%inclusion444 decks1.39K decks
26%synergy
Floral Evoker
31%inclusion433 decks1.39K decks
31%synergy
Springbloom Druid
31%inclusion428 decks1.39K decks
27%synergy
Lost Monarch of Ifnir
29%inclusion398 decks1.39K decks
27%synergy
Birds of Paradise
28%inclusion390 decks1.39K decks
1%synergy
Craterhoof Behemoth
27%inclusion379 decks1.39K decks
20%synergy
Jarad, Golgari Lich Lord
26%inclusion362 decks1.39K decks
23%synergy
Hermit Druid
24%inclusion337 decks1.39K decks
23%synergy
Uro, Titan of Nature's Wrath
22%inclusion301 decks1.39K decks
17%synergy
Tormod, the Desecrator
21%inclusion287 decks1.39K decks
20%synergy
Dauthi Voidwalker
18%inclusion254 decks1.39K decks
12%synergy
Satyr Wayfinder
17%inclusion237 decks1.39K decks
15%synergy
World Shaper
17%inclusion231 decks1.39K decks
14%synergy
Millikin
16%inclusion228 decks1.39K decks
15%synergy
Scute Swarm
16%inclusion220 decks1.39K decks
6%synergy
Diviner of Mist
16%inclusion217 decks1.39K decks
15%synergy
Bloodghast
14%inclusion201 decks1.39K decks
12%synergy
Aesi, Tyrant of Gyre Strait
14%inclusion198 decks1.39K decks
7%synergy
Lotuslight Dancers
14%inclusion193 decks1.37K decks
12%synergy
Warren Soultrader
13%inclusion180 decks1.39K decks
7%synergy
Lumra, Bellow of the Woods
12%inclusion170 decks1.39K decks
10%synergy
Sylvan Safekeeper
12%inclusion168 decks1.39K decks
8%synergy
Overlord of the Balemurk
12%inclusion166 decks1.39K decks
10%synergy
Teval, the Balanced Scale
12%inclusion164 decks1.39K decks
9%synergy
Underrealm Lich
12%inclusion164 decks1.39K decks
9%synergy
Tireless Provisioner
12%inclusion164 decks1.39K decks
1%synergy
Lord of Extinction
12%inclusion161 decks1.39K decks
9%synergy
Golgari Grave-Troll
11%inclusion150 decks1.39K decks
9%synergy
Molt Tender
11%inclusion147 decks1.39K decks
10%synergy
Tasigur, the Golden Fang
10%inclusion142 decks1.39K decks
9%synergy
Lotus Cobra
10%inclusion136 decks1.39K decks
2%synergy
Multani, Yavimaya's Avatar
8.8%inclusion122 decks1.39K decks
7%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
65%inclusion904 decks1.39K decks
34%synergy
Tear Asunder
53%inclusion738 decks1.39K decks
46%synergy
Grapple with the Past
50%inclusion694 decks1.39K decks
48%synergy
Harrow
49%inclusion678 decks1.39K decks
39%synergy
Lethal Scheme
41%inclusion566 decks1.39K decks
39%synergy
Putrefy
41%inclusion564 decks1.39K decks
24%synergy
Counterspell
31%inclusion428 decks1.39K decks
-11%synergy
Beast Within
31%inclusion424 decks1.39K decks
-3%synergy
Grisly Salvage
27%inclusion376 decks1.39K decks
21%synergy
Entomb
25%inclusion344 decks1.39K decks
18%synergy
An Offer You Can't Refuse
22%inclusion301 decks1.39K decks
-3%synergy
Heroic Intervention
15%inclusion204 decks1.39K decks
-16%synergy
Deadly Rollick
12%inclusion166 decks1.39K decks
-2%synergy
Arcane Denial
12%inclusion162 decks1.39K decks
-9%synergy
Swan Song
11%inclusion153 decks1.39K decks
-7%synergy
Noxious Revival
11%inclusion149 decks1.39K decks
6%synergy
Forbidden Alchemy
9.4%inclusion130 decks1.39K decks
8%synergy
Smuggler's Surprise
8.6%inclusion120 decks1.39K decks
6%synergy
Auroral Procession
8.3%inclusion115 decks1.39K decks
6%synergy
Mana Drain
7.9%inclusion110 decks1.39K decks
-6%synergy
Abrupt Decay
7.3%inclusion102 decks1.39K decks
-2%synergy
Fell the Profane
7.2%inclusion100 decks1.39K decks
-2%synergy
Pile On
7.1%inclusion99 decks1.39K decks
6%synergy
Sink into Stupor
6.8%inclusion94 decks1.39K decks
-3%synergy
Cache Grab
6.3%inclusion88 decks1.39K decks
6%synergy
Frantic Search
6.0%inclusion84 decks1.39K decks
-9%synergy
Dark Ritual
5.5%inclusion77 decks1.39K decks
-19%synergy
Malakir Rebirth
5.4%inclusion75 decks1.39K decks
-3%synergy
Arachnogenesis
5.2%inclusion72 decks1.39K decks
3%synergy
Negate
5.0%inclusion70 decks1.39K decks
-16%synergy
Sorceries
Will of the Sultai
62%inclusion863 decks1.39K decks
61%synergy
Afterlife from the Loam
54%inclusion747 decks1.39K decks
53%synergy
Rampant Growth
44%inclusion613 decks1.39K decks
11%synergy
Welcome the Dead
41%inclusion574 decks1.39K decks
41%synergy
Cultivate
33%inclusion463 decks1.39K decks
-9%synergy
Nature's Lore
32%inclusion445 decks1.39K decks
1%synergy
Toxic Deluge
22%inclusion306 decks1.39K decks
4%synergy
Three Visits
22%inclusion299 decks1.39K decks
-3%synergy
Buried Alive
17%inclusion241 decks1.39K decks
11%synergy
Bala Ged Recovery
14%inclusion201 decks1.39K decks
7%synergy
Treasure Cruise
14%inclusion188 decks1.39K decks
9%synergy
Rise of the Dark Realms
11%inclusion158 decks1.39K decks
7%synergy
Demonic Tutor
10%inclusion142 decks1.39K decks
-9%synergy
Casualties of War
9.1%inclusion127 decks1.39K decks
5%synergy
Death Begets Life
8.8%inclusion122 decks1.39K decks
7%synergy
Culling Ritual
7.9%inclusion110 decks1.39K decks
-3%synergy
Necromantic Selection
7.8%inclusion109 decks1.39K decks
7%synergy
Breach the Multiverse
6.9%inclusion96 decks1.39K decks
4%synergy
Stitch Together
6.3%inclusion87 decks1.39K decks
4%synergy
Finale of Devastation
6.0%inclusion84 decks1.39K decks
-1%synergy
Rise of the Witch-king
6.0%inclusion83 decks1.39K decks
2%synergy
Blasphemous Edict
5.8%inclusion80 decks1.39K decks
0%synergy
Windfall
5.8%inclusion80 decks1.39K decks
-6%synergy
Agadeem's Awakening
5.4%inclusion75 decks1.39K decks
2%synergy
Nature's Rhythm
5.4%inclusion74 decks1.38K decks
1%synergy
Damnation
5.3%inclusion73 decks1.39K decks
-1%synergy
Utility Artifacts
Hedge Shredder
66%inclusion916 decks1.39K decks
63%synergy
Lightning Greaves
39%inclusion541 decks1.39K decks
14%synergy
Phyrexian Altar
29%inclusion404 decks1.39K decks
26%synergy
Mesmeric Orb
17%inclusion242 decks1.39K decks
16%synergy
Crucible of Worlds
12%inclusion170 decks1.39K decks
10%synergy
Ashnod's Altar
12%inclusion165 decks1.39K decks
6%synergy
Essence Anchor
7.0%inclusion97 decks1.39K decks
7%synergy
Perpetual Timepiece
6.7%inclusion93 decks1.39K decks
6%synergy
Swiftfoot Boots
6.4%inclusion89 decks1.39K decks
-21%synergy
Amulet of Vigor
6.1%inclusion85 decks1.39K decks
5%synergy
Enchantments
Phyrexian Reclamation
57%inclusion791 decks1.39K decks
54%synergy
Tortured Existence
56%inclusion771 decks1.39K decks
54%synergy
Titans' Nest
36%inclusion496 decks1.39K decks
35%synergy
Animate Dead
34%inclusion470 decks1.39K decks
25%synergy
Awaken the Honored Dead
28%inclusion388 decks1.39K decks
25%synergy
Crawling Sensation
19%inclusion261 decks1.39K decks
18%synergy
Rhystic Study
13%inclusion174 decks1.39K decks
-11%synergy
Glacierwood Siege
10%inclusion136 decks1.39K decks
8%synergy
Exploration
9.1%inclusion126 decks1.39K decks
1%synergy
Walk-In Closet // Forgotten Cellar
8.4%inclusion117 decks1.39K decks
6%synergy
Oversold Cemetery
8.4%inclusion116 decks1.39K decks
6%synergy
Out of the Tombs
8.1%inclusion113 decks1.39K decks
7%synergy
Spelunking
7.7%inclusion107 decks1.39K decks
3%synergy
Mystic Remora
7.3%inclusion102 decks1.39K decks
-9%synergy
Chthonian Nightmare
6.7%inclusion93 decks1.39K decks
5%synergy
Screams from Within
5.8%inclusion80 decks1.39K decks
6%synergy
The Meathook Massacre
5.5%inclusion76 decks1.39K decks
0%synergy
Necromancy
5.2%inclusion72 decks1.39K decks
2%synergy
Planeswalkers
Grist, the Hunger Tide
6.0%inclusion84 decks1.39K decks
2%synergy
Utility Lands
Command Beacon
61%inclusion848 decks1.39K decks
56%synergy
Cephalid Coliseum
56%inclusion783 decks1.39K decks
53%synergy
Memorial to Folly
43%inclusion601 decks1.39K decks
42%synergy
Shifting Woodland
41%inclusion564 decks1.39K decks
34%synergy
Crypt of Agadeem
40%inclusion549 decks1.39K decks
38%synergy
Drownyard Temple
34%inclusion477 decks1.39K decks
34%synergy
Takenuma, Abandoned Mire
32%inclusion439 decks1.39K decks
23%synergy
Boseiju, Who Endures
30%inclusion421 decks1.39K decks
12%synergy
Yavimaya, Cradle of Growth
26%inclusion358 decks1.39K decks
17%synergy
Dakmor Salvage
25%inclusion341 decks1.39K decks
22%synergy
Urborg, Tomb of Yawgmoth
24%inclusion327 decks1.39K decks
15%synergy
Bojuka Bog
22%inclusion311 decks1.39K decks
-7%synergy
Otawara, Soaring City
17%inclusion231 decks1.39K decks
0%synergy
Strip Mine
14%inclusion196 decks1.39K decks
12%synergy
Phyrexian Tower
14%inclusion188 decks1.39K decks
5%synergy
Mistrise Village
10%inclusion132 decks1.39K decks
2%synergy
Kishla Village
9.4%inclusion131 decks1.39K decks
9%synergy
Lotus Field
9.3%inclusion129 decks1.39K decks
8%synergy
Cabal Coffers
7.8%inclusion109 decks1.39K decks
-2%synergy
Reliquary Tower
7.6%inclusion105 decks1.39K decks
-22%synergy
Ghost Quarter
6.1%inclusion85 decks1.39K decks
4%synergy
Mosswort Bridge
5.4%inclusion75 decks1.39K decks
-5%synergy
Mana Artifacts
Sol Ring
88%inclusion1.22K decks1.39K decks
4%synergy
Arcane Signet
77%inclusion1.07K decks1.39K decks
5%synergy
Fellwar Stone
5.6%inclusion78 decks1.39K decks
-15%synergy
Talisman of Resilience
5.3%inclusion74 decks1.39K decks
-7%synergy
Lands
Lush Portico
100%inclusion3 decks3 decks
91%synergy
Temple Garden
100%inclusion3 decks3 decks
61%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Godless Shrine
100%inclusion3 decks3 decks
59%synergy
Command Tower
97%inclusion1.35K decks1.39K decks
23%synergy
Woodland Cemetery
74%inclusion1.03K decks1.39K decks
42%synergy
Exotic Orchard
73%inclusion1.02K decks1.39K decks
37%synergy
Hinterland Harbor
71%inclusion988 decks1.39K decks
38%synergy
Dreamroot Cascade
69%inclusion962 decks1.39K decks
48%synergy
Opulent Palace
66%inclusion914 decks1.39K decks
38%synergy
Overgrown Tomb
65%inclusion902 decks1.39K decks
24%synergy
Breeding Pool
65%inclusion898 decks1.39K decks
23%synergy
Watery Grave
64%inclusion889 decks1.39K decks
22%synergy
Llanowar Wastes
59%inclusion826 decks1.39K decks
33%synergy
Polluted Delta
56%inclusion776 decks1.39K decks
44%synergy
Zagoth Triome
55%inclusion759 decks1.39K decks
27%synergy
Verdant Catacombs
54%inclusion746 decks1.39K decks
43%synergy
Foreboding Landscape
53%inclusion737 decks1.39K decks
44%synergy
Misty Rainforest
53%inclusion731 decks1.39K decks
41%synergy
Sunken Hollow
52%inclusion716 decks1.39K decks
18%synergy
Terramorphic Expanse
41%inclusion565 decks1.39K decks
26%synergy
Golgari Rot Farm
39%inclusion546 decks1.39K decks
23%synergy
Underground Mortuary
39%inclusion541 decks1.39K decks
26%synergy
Hedge Maze
37%inclusion508 decks1.39K decks
26%synergy
Undergrowth Stadium
36%inclusion495 decks1.39K decks
12%synergy
Rejuvenating Springs
34%inclusion478 decks1.39K decks
8%synergy
Undercity Sewers
32%inclusion449 decks1.39K decks
21%synergy
Fetid Pools
28%inclusion393 decks1.39K decks
21%synergy
Darkwater Catacombs
26%inclusion360 decks1.39K decks
11%synergy
Morphic Pool
25%inclusion347 decks1.39K decks
1%synergy
Fabled Passage
23%inclusion322 decks1.39K decks
14%synergy
Myriad Landscape
22%inclusion308 decks1.39K decks
7%synergy
Drowned Catacomb
20%inclusion278 decks1.39K decks
-9%synergy
Temple of Malady
18%inclusion254 decks1.39K decks
3%synergy
Yavimaya Coast
17%inclusion237 decks1.39K decks
-10%synergy
Deathcap Glade
16%inclusion222 decks1.39K decks
3%synergy
Haunted Mire
15%inclusion213 decks1.39K decks
9%synergy
Shipwreck Marsh
14%inclusion199 decks1.39K decks
-4%synergy
Evolving Wilds
14%inclusion188 decks1.39K decks
-7%synergy
Underground River
12%inclusion170 decks1.39K decks
-10%synergy
Windswept Heath
12%inclusion162 decks1.39K decks
1%synergy
Bayou
11%inclusion154 decks1.39K decks
-2%synergy
Underground Sea
11%inclusion149 decks1.39K decks
-4%synergy
Tropical Island
11%inclusion148 decks1.39K decks
-4%synergy
Wooded Foothills
10%inclusion145 decks1.39K decks
0%synergy
Bloodstained Mire
10%inclusion141 decks1.39K decks
-1%synergy
Contaminated Aquifer
10%inclusion139 decks1.39K decks
7%synergy
Flooded Strand
10%inclusion139 decks1.39K decks
-1%synergy
Wastewood Verge
10%inclusion138 decks1.39K decks
3%synergy
Simic Growth Chamber
10%inclusion136 decks1.39K decks
-7%synergy