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?
Lock
Near-infinite turns
Teval, the Balanced Scale
4.1%inclusion972 decks23.8K decks
Kotis, Sibsig Champion
9.4%inclusion77 decks823 decks
Sidisi, Brood Tyrant
1.4%inclusion53 decks3.90K decks
Muldrotha, the Gravetide
0.2%inclusion31 decks12.5K decks
Sin, Spira's Punishment
0.6%inclusion22 decks3.64K decks
Teval, Arbiter of Virtue
0.3%inclusion12 decks4.73K decks
The Master, Transcendent
0.2%inclusion3 decks1.86K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.16K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks13.6K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.55K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.6%inclusion1 decks173 decks
Ravos, Soultender // Thrasios, Triton Hero
0.4%inclusion1 decks251 decks
The Wise Mothman
0.0%inclusion1 decks14.9K decks
The Mimeoplasm
0.0%inclusion1 decks3.25K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks11.5K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.6%inclusion1 decks170 decks
Terra, Magical Adept
0.0%inclusion1 decks12.5K decks
New Cards
Ba Sing Se
3.0%inclusion9 decks299 decks
-3%synergy
Avatar Destiny
2.6%inclusion8 decks304 decks
2%synergy
Beifong's Bounty Hunters
2.6%inclusion8 decks306 decks
1%synergy
Agna Qel'a
2.0%inclusion6 decks299 decks
-1%synergy
Twilight Diviner
1.8%inclusion1 decks56 decks
1%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.03K decks1.18K decks
82%synergy
Teval's Judgment
82%inclusion971 decks1.18K decks
80%synergy
Colossal Grave-Reaver
85%inclusion997 decks1.18K decks
79%synergy
Hedron Crab
80%inclusion941 decks1.18K decks
78%synergy
Six
80%inclusion941 decks1.18K decks
74%synergy
Gravecrawler
76%inclusion904 decks1.18K decks
73%synergy
Ripples of Undeath
76%inclusion904 decks1.18K decks
72%synergy
Muldrotha, the Gravetide
77%inclusion911 decks1.18K decks
69%synergy
Stitcher's Supplier
72%inclusion856 decks1.18K decks
69%synergy
Wonder
72%inclusion848 decks1.18K decks
68%synergy
Top Cards
Victimize
80%inclusion945 decks1.18K decks
68%synergy
Living Death
73%inclusion866 decks1.18K decks
68%synergy
Insidious Roots
71%inclusion844 decks1.18K decks
66%synergy
Kheru Goldkeeper
70%inclusion823 decks1.17K decks
66%synergy
Reanimate
70%inclusion829 decks1.18K decks
51%synergy
Farseek
68%inclusion808 decks1.18K decks
33%synergy
Skull Prophet
68%inclusion800 decks1.18K decks
62%synergy
Conduit of Worlds
68%inclusion798 decks1.18K decks
62%synergy
Sidisi, Brood Tyrant
67%inclusion796 decks1.18K decks
64%synergy
Dread Return
67%inclusion788 decks1.18K decks
62%synergy
Game Changers
Field of the Dead
44%inclusion524 decks1.18K decks
41%synergy
Crop Rotation
30%inclusion351 decks1.18K decks
20%synergy
Cyclonic Rift
17%inclusion200 decks1.18K decks
-6%synergy
Fierce Guardianship
11%inclusion130 decks1.18K decks
-7%synergy
Vampiric Tutor
8.2%inclusion97 decks1.18K decks
-7%synergy
Gifts Ungiven
7.3%inclusion86 decks1.18K decks
6%synergy
Glacial Chasm
6.3%inclusion74 decks1.18K decks
5%synergy
Gaea's Cradle
5.2%inclusion61 decks1.18K decks
-1%synergy
Thassa's Oracle
5.2%inclusion61 decks1.18K decks
-1%synergy
Worldly Tutor
5.2%inclusion61 decks1.18K decks
-7%synergy
Creatures
Sakura-Tribe Elder
65%inclusion766 decks1.18K decks
48%synergy
The Gitrog Monster
64%inclusion759 decks1.18K decks
57%synergy
Kishla Skimmer
63%inclusion744 decks1.18K decks
61%synergy
Timeless Witness
60%inclusion715 decks1.18K decks
58%synergy
Syr Konrad, the Grim
60%inclusion714 decks1.18K decks
52%synergy
Meren of Clan Nel Toth
60%inclusion704 decks1.18K decks
56%synergy
Aftermath Analyst
59%inclusion696 decks1.18K decks
55%synergy
River Kelpie
53%inclusion631 decks1.18K decks
52%synergy
The Scarab God
53%inclusion630 decks1.18K decks
50%synergy
Icetill Explorer
53%inclusion312 decks590 decks
46%synergy
Avenger of Zendikar
50%inclusion588 decks1.18K decks
41%synergy
Deathrite Shaman
49%inclusion575 decks1.18K decks
37%synergy
Nyx Weaver
48%inclusion565 decks1.18K decks
43%synergy
Steward of the Harvest
43%inclusion504 decks1.18K decks
42%synergy
Ob Nixilis, the Fallen
42%inclusion498 decks1.18K decks
41%synergy
Shigeki, Jukai Visionary
35%inclusion418 decks1.18K decks
33%synergy
Wight of the Reliquary
35%inclusion415 decks1.18K decks
29%synergy
Tatyova, Benthic Druid
34%inclusion403 decks1.18K decks
22%synergy
Ramunap Excavator
34%inclusion401 decks1.18K decks
27%synergy
Floral Evoker
33%inclusion393 decks1.18K decks
33%synergy
Lost Monarch of Ifnir
29%inclusion348 decks1.18K decks
28%synergy
Springbloom Druid
29%inclusion347 decks1.18K decks
25%synergy
Birds of Paradise
29%inclusion340 decks1.18K decks
1%synergy
Craterhoof Behemoth
26%inclusion306 decks1.18K decks
19%synergy
Jarad, Golgari Lich Lord
26%inclusion305 decks1.18K decks
22%synergy
Hermit Druid
25%inclusion295 decks1.18K decks
23%synergy
Uro, Titan of Nature's Wrath
23%inclusion274 decks1.18K decks
18%synergy
Tormod, the Desecrator
22%inclusion265 decks1.18K decks
21%synergy
Dauthi Voidwalker
19%inclusion219 decks1.18K decks
12%synergy
Diviner of Mist
17%inclusion198 decks1.18K decks
16%synergy
Satyr Wayfinder
17%inclusion197 decks1.18K decks
15%synergy
World Shaper
16%inclusion195 decks1.18K decks
14%synergy
Millikin
16%inclusion188 decks1.18K decks
15%synergy
Scute Swarm
16%inclusion185 decks1.18K decks
6%synergy
Bloodghast
15%inclusion177 decks1.18K decks
12%synergy
Lotuslight Dancers
15%inclusion174 decks1.17K decks
13%synergy
Aesi, Tyrant of Gyre Strait
15%inclusion172 decks1.18K decks
8%synergy
Underrealm Lich
13%inclusion159 decks1.18K decks
10%synergy
Warren Soultrader
13%inclusion158 decks1.18K decks
8%synergy
Teval, the Balanced Scale
13%inclusion151 decks1.18K decks
10%synergy
Lumra, Bellow of the Woods
12%inclusion144 decks1.18K decks
10%synergy
Overlord of the Balemurk
12%inclusion142 decks1.18K decks
10%synergy
Sylvan Safekeeper
12%inclusion142 decks1.18K decks
8%synergy
Tireless Provisioner
12%inclusion138 decks1.18K decks
0%synergy
Golgari Grave-Troll
11%inclusion135 decks1.18K decks
10%synergy
Lord of Extinction
11%inclusion135 decks1.18K decks
9%synergy
Tasigur, the Golden Fang
11%inclusion131 decks1.18K decks
10%synergy
Molt Tender
11%inclusion130 decks1.18K decks
10%synergy
Lotus Cobra
9.2%inclusion109 decks1.18K decks
1%synergy
Zulaport Cutthroat
9.1%inclusion108 decks1.18K decks
1%synergy
Instants
Assassin's Trophy
66%inclusion777 decks1.18K decks
35%synergy
Tear Asunder
52%inclusion610 decks1.18K decks
44%synergy
Grapple with the Past
50%inclusion588 decks1.18K decks
48%synergy
Harrow
48%inclusion573 decks1.18K decks
39%synergy
Lethal Scheme
39%inclusion465 decks1.18K decks
37%synergy
Putrefy
39%inclusion464 decks1.18K decks
23%synergy
Beast Within
33%inclusion389 decks1.18K decks
-2%synergy
Counterspell
30%inclusion355 decks1.18K decks
-12%synergy
Grisly Salvage
27%inclusion321 decks1.18K decks
21%synergy
Entomb
25%inclusion292 decks1.18K decks
18%synergy
An Offer You Can't Refuse
22%inclusion256 decks1.18K decks
-3%synergy
Heroic Intervention
15%inclusion175 decks1.18K decks
-16%synergy
Noxious Revival
12%inclusion139 decks1.18K decks
7%synergy
Arcane Denial
12%inclusion139 decks1.18K decks
-9%synergy
Deadly Rollick
12%inclusion137 decks1.18K decks
-2%synergy
Swan Song
11%inclusion129 decks1.18K decks
-7%synergy
Forbidden Alchemy
9.1%inclusion108 decks1.18K decks
8%synergy
Auroral Procession
8.7%inclusion103 decks1.18K decks
6%synergy
Smuggler's Surprise
8.5%inclusion101 decks1.18K decks
6%synergy
Mana Drain
8.2%inclusion97 decks1.18K decks
-6%synergy
Sink into Stupor
7.4%inclusion87 decks1.18K decks
-3%synergy
Abrupt Decay
7.3%inclusion86 decks1.18K decks
-2%synergy
Fell the Profane
7.2%inclusion85 decks1.18K decks
-2%synergy
Pile On
6.2%inclusion73 decks1.18K decks
5%synergy
Cache Grab
5.7%inclusion67 decks1.18K decks
5%synergy
Frantic Search
5.6%inclusion66 decks1.18K decks
-9%synergy
Dark Ritual
5.5%inclusion65 decks1.18K decks
-19%synergy
Negate
5.2%inclusion62 decks1.18K decks
-16%synergy
Sorceries
Will of the Sultai
62%inclusion733 decks1.18K decks
61%synergy
Afterlife from the Loam
55%inclusion646 decks1.18K decks
54%synergy
Rampant Growth
44%inclusion515 decks1.18K decks
10%synergy
Welcome the Dead
42%inclusion496 decks1.18K decks
42%synergy
Cultivate
34%inclusion400 decks1.18K decks
-9%synergy
Nature's Lore
33%inclusion386 decks1.18K decks
1%synergy
Toxic Deluge
23%inclusion267 decks1.18K decks
4%synergy
Three Visits
22%inclusion264 decks1.18K decks
-2%synergy
Buried Alive
18%inclusion207 decks1.18K decks
11%synergy
Bala Ged Recovery
14%inclusion171 decks1.18K decks
7%synergy
Treasure Cruise
14%inclusion164 decks1.18K decks
9%synergy
Rise of the Dark Realms
11%inclusion133 decks1.18K decks
7%synergy
Demonic Tutor
9.5%inclusion112 decks1.18K decks
-10%synergy
Casualties of War
9.3%inclusion110 decks1.18K decks
5%synergy
Death Begets Life
9.1%inclusion107 decks1.18K decks
7%synergy
Necromantic Selection
8.0%inclusion95 decks1.18K decks
7%synergy
Breach the Multiverse
7.7%inclusion91 decks1.18K decks
4%synergy
Culling Ritual
7.7%inclusion91 decks1.18K decks
-3%synergy
Rise of the Witch-king
6.8%inclusion80 decks1.18K decks
2%synergy
Finale of Devastation
6.4%inclusion76 decks1.18K decks
-1%synergy
Windfall
6.4%inclusion76 decks1.18K decks
-6%synergy
Blasphemous Edict
6.3%inclusion74 decks1.18K decks
0%synergy
Stitch Together
5.7%inclusion67 decks1.18K decks
4%synergy
Damnation
5.5%inclusion65 decks1.18K decks
-1%synergy
Nature's Rhythm
5.5%inclusion64 decks1.17K decks
1%synergy
Malevolent Rumble
5.3%inclusion63 decks1.18K decks
4%synergy
Kodama's Reach
5.2%inclusion61 decks1.18K decks
-22%synergy
Utility Artifacts
Hedge Shredder
65%inclusion768 decks1.18K decks
62%synergy
Lightning Greaves
38%inclusion453 decks1.18K decks
13%synergy
Phyrexian Altar
29%inclusion342 decks1.18K decks
25%synergy
Mesmeric Orb
18%inclusion211 decks1.18K decks
16%synergy
Crucible of Worlds
13%inclusion148 decks1.18K decks
10%synergy
Ashnod's Altar
12%inclusion141 decks1.18K decks
5%synergy
Essence Anchor
6.9%inclusion81 decks1.18K decks
6%synergy
Perpetual Timepiece
6.3%inclusion74 decks1.18K decks
5%synergy
Swiftfoot Boots
6.3%inclusion74 decks1.18K decks
-21%synergy
Amulet of Vigor
5.8%inclusion69 decks1.18K decks
5%synergy
Enchantments
Phyrexian Reclamation
57%inclusion675 decks1.18K decks
54%synergy
Tortured Existence
53%inclusion623 decks1.18K decks
51%synergy
Titans' Nest
37%inclusion441 decks1.18K decks
36%synergy
Animate Dead
35%inclusion410 decks1.18K decks
26%synergy
Awaken the Honored Dead
27%inclusion321 decks1.18K decks
23%synergy
Crawling Sensation
19%inclusion224 decks1.18K decks
18%synergy
Rhystic Study
13%inclusion152 decks1.18K decks
-11%synergy
Glacierwood Siege
11%inclusion125 decks1.18K decks
9%synergy
Walk-In Closet // Forgotten Cellar
9.4%inclusion111 decks1.18K decks
7%synergy
Out of the Tombs
9.2%inclusion109 decks1.18K decks
8%synergy
Exploration
9.2%inclusion109 decks1.18K decks
1%synergy
Oversold Cemetery
8.9%inclusion105 decks1.18K decks
7%synergy
Spelunking
7.5%inclusion89 decks1.18K decks
3%synergy
Mystic Remora
7.3%inclusion86 decks1.18K decks
-9%synergy
Chthonian Nightmare
7.2%inclusion85 decks1.18K decks
6%synergy
Necromancy
5.8%inclusion68 decks1.18K decks
3%synergy
The Meathook Massacre
5.6%inclusion66 decks1.18K decks
0%synergy
Greater Good
5.4%inclusion64 decks1.18K decks
1%synergy
Screams from Within
5.2%inclusion62 decks1.18K decks
5%synergy
Planeswalkers
Grist, the Hunger Tide
6.8%inclusion80 decks1.18K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion715 decks1.18K decks
56%synergy
Cephalid Coliseum
55%inclusion645 decks1.18K decks
51%synergy
Shifting Woodland
43%inclusion503 decks1.18K decks
36%synergy
Memorial to Folly
42%inclusion491 decks1.18K decks
40%synergy
Crypt of Agadeem
39%inclusion456 decks1.18K decks
37%synergy
Takenuma, Abandoned Mire
33%inclusion394 decks1.18K decks
25%synergy
Drownyard Temple
32%inclusion381 decks1.18K decks
31%synergy
Boseiju, Who Endures
31%inclusion369 decks1.18K decks
12%synergy
Yavimaya, Cradle of Growth
27%inclusion321 decks1.18K decks
18%synergy
Urborg, Tomb of Yawgmoth
25%inclusion293 decks1.18K decks
16%synergy
Dakmor Salvage
24%inclusion289 decks1.18K decks
22%synergy
Bojuka Bog
22%inclusion260 decks1.18K decks
-8%synergy
Otawara, Soaring City
17%inclusion202 decks1.18K decks
1%synergy
Phyrexian Tower
14%inclusion165 decks1.18K decks
5%synergy
Strip Mine
14%inclusion163 decks1.18K decks
11%synergy
Kishla Village
10%inclusion117 decks1.18K decks
9%synergy
Mistrise Village
10%inclusion117 decks1.18K decks
2%synergy
Lotus Field
9.2%inclusion109 decks1.18K decks
8%synergy
Cabal Coffers
8.5%inclusion100 decks1.18K decks
-1%synergy
Reliquary Tower
7.9%inclusion93 decks1.18K decks
-22%synergy
Ghost Quarter
6.6%inclusion78 decks1.18K decks
5%synergy
Mana Artifacts
Sol Ring
87%inclusion1.03K decks1.18K decks
4%synergy
Arcane Signet
76%inclusion904 decks1.18K decks
4%synergy
Fellwar Stone
5.8%inclusion68 decks1.18K decks
-15%synergy
Talisman of Resilience
5.7%inclusion67 decks1.18K decks
-7%synergy
Lands
Command Tower
97%inclusion1.15K decks1.18K decks
23%synergy
Woodland Cemetery
74%inclusion874 decks1.18K decks
42%synergy
Exotic Orchard
73%inclusion864 decks1.18K decks
37%synergy
Hinterland Harbor
70%inclusion830 decks1.18K decks
37%synergy
Dreamroot Cascade
69%inclusion811 decks1.18K decks
47%synergy
Opulent Palace
65%inclusion768 decks1.18K decks
37%synergy
Breeding Pool
64%inclusion762 decks1.18K decks
23%synergy
Watery Grave
64%inclusion760 decks1.18K decks
23%synergy
Overgrown Tomb
64%inclusion758 decks1.18K decks
24%synergy
Llanowar Wastes
59%inclusion696 decks1.18K decks
32%synergy
Polluted Delta
56%inclusion667 decks1.18K decks
44%synergy
Zagoth Triome
56%inclusion663 decks1.18K decks
28%synergy
Verdant Catacombs
55%inclusion649 decks1.18K decks
44%synergy
Misty Rainforest
53%inclusion629 decks1.18K decks
42%synergy
Foreboding Landscape
52%inclusion618 decks1.18K decks
43%synergy
Sunken Hollow
52%inclusion610 decks1.18K decks
18%synergy
Underground Mortuary
41%inclusion486 decks1.18K decks
28%synergy
Terramorphic Expanse
39%inclusion461 decks1.18K decks
24%synergy
Hedge Maze
38%inclusion452 decks1.18K decks
27%synergy
Golgari Rot Farm
38%inclusion447 decks1.18K decks
21%synergy
Undergrowth Stadium
37%inclusion442 decks1.18K decks
14%synergy
Rejuvenating Springs
36%inclusion429 decks1.18K decks
9%synergy
Undercity Sewers
35%inclusion410 decks1.18K decks
23%synergy
Fetid Pools
28%inclusion327 decks1.18K decks
21%synergy
Morphic Pool
26%inclusion310 decks1.18K decks
2%synergy
Darkwater Catacombs
25%inclusion300 decks1.18K decks
11%synergy
Fabled Passage
23%inclusion270 decks1.18K decks
14%synergy
Myriad Landscape
22%inclusion258 decks1.18K decks
6%synergy
Drowned Catacomb
20%inclusion239 decks1.18K decks
-9%synergy
Temple of Malady
19%inclusion226 decks1.18K decks
3%synergy
Yavimaya Coast
17%inclusion198 decks1.18K decks
-10%synergy
Deathcap Glade
16%inclusion188 decks1.18K decks
3%synergy
Shipwreck Marsh
15%inclusion178 decks1.18K decks
-3%synergy
Haunted Mire
15%inclusion175 decks1.18K decks
8%synergy
Evolving Wilds
13%inclusion152 decks1.18K decks
-8%synergy
Underground River
12%inclusion145 decks1.18K decks
-10%synergy
Windswept Heath
12%inclusion138 decks1.18K decks
1%synergy
Bayou
11%inclusion131 decks1.18K decks
-2%synergy
Underground Sea
11%inclusion127 decks1.18K decks
-4%synergy
Tropical Island
11%inclusion125 decks1.18K decks
-4%synergy
Wooded Foothills
10%inclusion122 decks1.18K decks
-1%synergy
Flooded Strand
10%inclusion121 decks1.18K decks
-1%synergy
Bloodstained Mire
10%inclusion120 decks1.18K decks
-1%synergy
Wastewood Verge
10%inclusion119 decks1.18K decks
3%synergy
Contaminated Aquifer
10%inclusion115 decks1.18K decks
7%synergy
Marsh Flats
10%inclusion113 decks1.18K decks
-1%synergy
Simic Growth Chamber
9.1%inclusion107 decks1.18K decks
-9%synergy
Dimir Aqueduct
8.5%inclusion100 decks1.18K decks
-6%synergy
Gloomlake Verge
7.5%inclusion89 decks1.18K decks
-2%synergy
Willowrush Verge
6.9%inclusion81 decks1.18K decks
0%synergy