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%inclusion1.20K decks30.1K decks
Kotis, Sibsig Champion
9.2%inclusion89 decks963 decks
Sidisi, Brood Tyrant
1.3%inclusion62 decks4.81K decks
Muldrotha, the Gravetide
0.3%inclusion41 decks15.8K decks
Sin, Spira's Punishment
0.5%inclusion22 decks4.58K decks
Teval, Arbiter of Virtue
0.3%inclusion15 decks5.43K decks
The Master, Transcendent
0.2%inclusion4 decks2.48K decks
Glarb, Calamity's Augur
0.0%inclusion3 decks14.8K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.91K decks
The Wise Mothman
0.0%inclusion2 decks21.8K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks16.2K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.90K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.4%inclusion1 decks233 decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks330 decks
The Mimeoplasm
0.0%inclusion1 decks4.16K decks
Atraxa, Grand Unifier
0.0%inclusion1 decks10.9K decks
Terra, Magical Adept
0.0%inclusion1 decks15.4K decks
New Cards
Cauldron of Essence
15%inclusion13 decks88 decks
9%synergy
Grave Researcher
12%inclusion17 decks139 decks
10%synergy
Dina's Guidance
5.7%inclusion5 decks88 decks
3%synergy
Planar Engineering
2.8%inclusion3 decks108 decks
1%synergy
Turbulent Fen
2.2%inclusion3 decks134 decks
-2%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.26K decks1.45K decks
82%synergy
Teval's Judgment
83%inclusion1.20K decks1.45K decks
80%synergy
Colossal Grave-Reaver
85%inclusion1.23K decks1.45K decks
80%synergy
Hedron Crab
81%inclusion1.18K decks1.45K decks
79%synergy
Six
80%inclusion1.16K decks1.45K decks
74%synergy
Gravecrawler
77%inclusion1.12K decks1.45K decks
73%synergy
Ripples of Undeath
77%inclusion1.12K decks1.45K decks
72%synergy
Stitcher's Supplier
73%inclusion1.06K decks1.45K decks
69%synergy
Wonder
73%inclusion1.05K decks1.45K decks
69%synergy
Living Death
74%inclusion1.07K decks1.45K decks
69%synergy
Top Cards
Victimize
81%inclusion1.18K decks1.45K decks
69%synergy
Muldrotha, the Gravetide
78%inclusion1.13K decks1.45K decks
68%synergy
Insidious Roots
72%inclusion1.04K decks1.45K decks
66%synergy
Kheru Goldkeeper
71%inclusion1.01K decks1.44K decks
66%synergy
Reanimate
70%inclusion1.02K decks1.45K decks
51%synergy
Sidisi, Brood Tyrant
69%inclusion998 decks1.45K decks
65%synergy
Skull Prophet
68%inclusion994 decks1.45K decks
63%synergy
Farseek
68%inclusion991 decks1.45K decks
32%synergy
Dread Return
68%inclusion988 decks1.45K decks
63%synergy
Conduit of Worlds
67%inclusion978 decks1.45K decks
62%synergy
Game Changers
Field of the Dead
44%inclusion636 decks1.45K decks
41%synergy
Crop Rotation
30%inclusion437 decks1.45K decks
20%synergy
Cyclonic Rift
16%inclusion233 decks1.45K decks
-5%synergy
Fierce Guardianship
11%inclusion165 decks1.45K decks
-6%synergy
Vampiric Tutor
7.6%inclusion111 decks1.45K decks
-7%synergy
Gifts Ungiven
7.0%inclusion102 decks1.45K decks
5%synergy
Glacial Chasm
6.3%inclusion91 decks1.45K decks
6%synergy
Gaea's Cradle
5.2%inclusion76 decks1.45K decks
-1%synergy
Worldly Tutor
5.2%inclusion76 decks1.45K decks
-7%synergy
Thassa's Oracle
5.1%inclusion74 decks1.45K decks
-1%synergy
Creatures
The Gitrog Monster
66%inclusion958 decks1.45K decks
59%synergy
Sakura-Tribe Elder
66%inclusion957 decks1.45K decks
50%synergy
Kishla Skimmer
63%inclusion914 decks1.45K decks
61%synergy
Timeless Witness
62%inclusion898 decks1.45K decks
59%synergy
Meren of Clan Nel Toth
61%inclusion885 decks1.45K decks
57%synergy
Syr Konrad, the Grim
61%inclusion880 decks1.45K decks
52%synergy
Aftermath Analyst
60%inclusion864 decks1.45K decks
55%synergy
Icetill Explorer
57%inclusion500 decks882 decks
50%synergy
River Kelpie
54%inclusion780 decks1.45K decks
53%synergy
The Scarab God
53%inclusion775 decks1.45K decks
50%synergy
Avenger of Zendikar
50%inclusion725 decks1.45K decks
41%synergy
Nyx Weaver
49%inclusion706 decks1.45K decks
44%synergy
Deathrite Shaman
48%inclusion691 decks1.45K decks
37%synergy
Ob Nixilis, the Fallen
44%inclusion636 decks1.45K decks
42%synergy
Steward of the Harvest
40%inclusion576 decks1.45K decks
39%synergy
Shigeki, Jukai Visionary
36%inclusion520 decks1.45K decks
34%synergy
Wight of the Reliquary
35%inclusion510 decks1.45K decks
30%synergy
Tatyova, Benthic Druid
35%inclusion508 decks1.45K decks
23%synergy
Ramunap Excavator
32%inclusion470 decks1.45K decks
26%synergy
Springbloom Druid
31%inclusion445 decks1.45K decks
27%synergy
Floral Evoker
31%inclusion442 decks1.45K decks
30%synergy
Birds of Paradise
28%inclusion408 decks1.45K decks
1%synergy
Lost Monarch of Ifnir
28%inclusion407 decks1.45K decks
27%synergy
Craterhoof Behemoth
27%inclusion392 decks1.45K decks
20%synergy
Jarad, Golgari Lich Lord
26%inclusion376 decks1.45K decks
22%synergy
Hermit Druid
24%inclusion349 decks1.45K decks
23%synergy
Uro, Titan of Nature's Wrath
22%inclusion324 decks1.45K decks
17%synergy
Tormod, the Desecrator
20%inclusion297 decks1.45K decks
20%synergy
Satyr Wayfinder
18%inclusion257 decks1.45K decks
16%synergy
Dauthi Voidwalker
18%inclusion255 decks1.45K decks
11%synergy
Millikin
17%inclusion241 decks1.45K decks
15%synergy
World Shaper
17%inclusion240 decks1.45K decks
14%synergy
Scute Swarm
16%inclusion232 decks1.45K decks
6%synergy
Diviner of Mist
15%inclusion222 decks1.45K decks
15%synergy
Bloodghast
15%inclusion218 decks1.45K decks
12%synergy
Aesi, Tyrant of Gyre Strait
15%inclusion211 decks1.45K decks
8%synergy
Lotuslight Dancers
14%inclusion198 decks1.44K decks
12%synergy
Warren Soultrader
13%inclusion193 decks1.45K decks
8%synergy
Sylvan Safekeeper
12%inclusion178 decks1.45K decks
8%synergy
Teval, the Balanced Scale
12%inclusion177 decks1.45K decks
10%synergy
Underrealm Lich
12%inclusion177 decks1.45K decks
9%synergy
Overlord of the Balemurk
12%inclusion176 decks1.45K decks
11%synergy
Lumra, Bellow of the Woods
12%inclusion176 decks1.45K decks
10%synergy
Tireless Provisioner
12%inclusion170 decks1.45K decks
1%synergy
Lord of Extinction
11%inclusion164 decks1.45K decks
9%synergy
Molt Tender
11%inclusion159 decks1.45K decks
10%synergy
Golgari Grave-Troll
11%inclusion154 decks1.45K decks
9%synergy
Tasigur, the Golden Fang
10%inclusion145 decks1.45K decks
9%synergy
Lotus Cobra
10%inclusion144 decks1.45K decks
2%synergy
Multani, Yavimaya's Avatar
8.9%inclusion129 decks1.45K decks
7%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
65%inclusion945 decks1.45K decks
34%synergy
Tear Asunder
53%inclusion772 decks1.45K decks
46%synergy
Grapple with the Past
50%inclusion724 decks1.45K decks
48%synergy
Harrow
48%inclusion698 decks1.45K decks
39%synergy
Putrefy
41%inclusion590 decks1.45K decks
25%synergy
Lethal Scheme
40%inclusion587 decks1.45K decks
38%synergy
Counterspell
31%inclusion456 decks1.45K decks
-10%synergy
Beast Within
30%inclusion441 decks1.45K decks
-3%synergy
Grisly Salvage
28%inclusion402 decks1.45K decks
22%synergy
Entomb
25%inclusion363 decks1.45K decks
18%synergy
An Offer You Can't Refuse
22%inclusion325 decks1.45K decks
-3%synergy
Heroic Intervention
15%inclusion216 decks1.45K decks
-16%synergy
Deadly Rollick
12%inclusion178 decks1.45K decks
-2%synergy
Arcane Denial
12%inclusion171 decks1.45K decks
-8%synergy
Swan Song
11%inclusion162 decks1.45K decks
-7%synergy
Noxious Revival
11%inclusion156 decks1.45K decks
6%synergy
Forbidden Alchemy
9.4%inclusion137 decks1.45K decks
8%synergy
Auroral Procession
8.6%inclusion125 decks1.45K decks
6%synergy
Smuggler's Surprise
8.5%inclusion124 decks1.45K decks
6%synergy
Mana Drain
7.7%inclusion112 decks1.45K decks
-7%synergy
Abrupt Decay
7.6%inclusion110 decks1.45K decks
-2%synergy
Fell the Profane
7.0%inclusion102 decks1.45K decks
-2%synergy
Pile On
6.7%inclusion98 decks1.45K decks
6%synergy
Sink into Stupor
6.5%inclusion94 decks1.45K decks
-4%synergy
Cache Grab
6.4%inclusion93 decks1.45K decks
6%synergy
Frantic Search
6.3%inclusion91 decks1.45K decks
-9%synergy
Dark Ritual
5.4%inclusion78 decks1.45K decks
-19%synergy
Malakir Rebirth
5.2%inclusion76 decks1.45K decks
-3%synergy
Sorceries
Will of the Sultai
62%inclusion894 decks1.45K decks
60%synergy
Afterlife from the Loam
53%inclusion767 decks1.45K decks
52%synergy
Rampant Growth
44%inclusion644 decks1.45K decks
12%synergy
Welcome the Dead
41%inclusion590 decks1.45K decks
40%synergy
Cultivate
33%inclusion484 decks1.45K decks
-9%synergy
Nature's Lore
32%inclusion458 decks1.45K decks
0%synergy
Toxic Deluge
22%inclusion322 decks1.45K decks
4%synergy
Three Visits
21%inclusion310 decks1.45K decks
-3%synergy
Buried Alive
18%inclusion260 decks1.45K decks
12%synergy
Bala Ged Recovery
14%inclusion204 decks1.45K decks
6%synergy
Treasure Cruise
13%inclusion193 decks1.45K decks
9%synergy
Rise of the Dark Realms
11%inclusion163 decks1.45K decks
6%synergy
Demonic Tutor
10%inclusion144 decks1.45K decks
-9%synergy
Casualties of War
9.3%inclusion135 decks1.45K decks
5%synergy
Death Begets Life
8.8%inclusion128 decks1.45K decks
7%synergy
Necromantic Selection
7.9%inclusion115 decks1.45K decks
7%synergy
Culling Ritual
7.9%inclusion115 decks1.45K decks
-3%synergy
Stitch Together
6.7%inclusion97 decks1.45K decks
5%synergy
Breach the Multiverse
6.7%inclusion97 decks1.45K decks
3%synergy
Finale of Devastation
6.2%inclusion90 decks1.45K decks
-1%synergy
Rise of the Witch-king
6.1%inclusion88 decks1.45K decks
2%synergy
Blasphemous Edict
5.6%inclusion82 decks1.45K decks
0%synergy
Windfall
5.6%inclusion81 decks1.45K decks
-6%synergy
Agadeem's Awakening
5.3%inclusion77 decks1.45K decks
2%synergy
Damnation
5.2%inclusion76 decks1.45K decks
-1%synergy
Nature's Rhythm
5.2%inclusion75 decks1.44K decks
1%synergy
Singularity Rupture
5.2%inclusion47 decks910 decks
1%synergy
Diabolic Intent
5.1%inclusion74 decks1.45K decks
-3%synergy
Utility Artifacts
Hedge Shredder
65%inclusion945 decks1.45K decks
62%synergy
Lightning Greaves
39%inclusion561 decks1.45K decks
14%synergy
Phyrexian Altar
29%inclusion427 decks1.45K decks
26%synergy
Mesmeric Orb
17%inclusion251 decks1.45K decks
16%synergy
Ashnod's Altar
12%inclusion179 decks1.45K decks
6%synergy
Crucible of Worlds
12%inclusion177 decks1.45K decks
10%synergy
Essence Anchor
7.0%inclusion101 decks1.45K decks
7%synergy
Perpetual Timepiece
7.0%inclusion101 decks1.45K decks
6%synergy
Swiftfoot Boots
6.4%inclusion93 decks1.45K decks
-21%synergy
Amulet of Vigor
5.7%inclusion83 decks1.45K decks
5%synergy
Enchantments
Phyrexian Reclamation
57%inclusion830 decks1.45K decks
54%synergy
Tortured Existence
55%inclusion805 decks1.45K decks
53%synergy
Titans' Nest
35%inclusion513 decks1.45K decks
34%synergy
Animate Dead
34%inclusion489 decks1.45K decks
25%synergy
Awaken the Honored Dead
27%inclusion398 decks1.45K decks
24%synergy
Crawling Sensation
19%inclusion277 decks1.45K decks
18%synergy
Rhystic Study
12%inclusion180 decks1.45K decks
-11%synergy
Glacierwood Siege
10%inclusion146 decks1.45K decks
8%synergy
Exploration
9.2%inclusion134 decks1.45K decks
1%synergy
Oversold Cemetery
8.3%inclusion121 decks1.45K decks
6%synergy
Walk-In Closet // Forgotten Cellar
8.3%inclusion121 decks1.45K decks
6%synergy
Out of the Tombs
8.0%inclusion116 decks1.45K decks
7%synergy
Mystic Remora
7.8%inclusion113 decks1.45K decks
-8%synergy
Spelunking
7.6%inclusion111 decks1.45K decks
3%synergy
Chthonian Nightmare
6.4%inclusion93 decks1.45K decks
5%synergy
The Meathook Massacre
5.8%inclusion84 decks1.45K decks
1%synergy
Screams from Within
5.6%inclusion81 decks1.45K decks
5%synergy
Necromancy
5.6%inclusion81 decks1.45K decks
3%synergy
Planeswalkers
Grist, the Hunger Tide
6.1%inclusion88 decks1.45K decks
2%synergy
Utility Lands
Command Beacon
61%inclusion887 decks1.45K decks
56%synergy
Cephalid Coliseum
56%inclusion810 decks1.45K decks
52%synergy
Memorial to Folly
43%inclusion624 decks1.45K decks
42%synergy
Shifting Woodland
40%inclusion582 decks1.45K decks
33%synergy
Crypt of Agadeem
39%inclusion569 decks1.45K decks
37%synergy
Drownyard Temple
34%inclusion493 decks1.45K decks
33%synergy
Takenuma, Abandoned Mire
32%inclusion460 decks1.45K decks
23%synergy
Boseiju, Who Endures
30%inclusion435 decks1.45K decks
11%synergy
Yavimaya, Cradle of Growth
25%inclusion369 decks1.45K decks
17%synergy
Dakmor Salvage
25%inclusion367 decks1.45K decks
23%synergy
Urborg, Tomb of Yawgmoth
23%inclusion339 decks1.45K decks
14%synergy
Bojuka Bog
23%inclusion333 decks1.45K decks
-7%synergy
Otawara, Soaring City
17%inclusion242 decks1.45K decks
0%synergy
Phyrexian Tower
14%inclusion199 decks1.45K decks
5%synergy
Strip Mine
14%inclusion198 decks1.45K decks
11%synergy
Kishla Village
10%inclusion138 decks1.45K decks
9%synergy
Lotus Field
9.3%inclusion135 decks1.45K decks
8%synergy
Mistrise Village
9.2%inclusion134 decks1.45K decks
2%synergy
Reliquary Tower
7.6%inclusion111 decks1.45K decks
-22%synergy
Cabal Coffers
7.6%inclusion110 decks1.45K decks
-2%synergy
Ghost Quarter
6.1%inclusion88 decks1.45K decks
4%synergy
Mosswort Bridge
5.2%inclusion76 decks1.45K decks
-5%synergy
Mana Artifacts
Sol Ring
87%inclusion1.27K decks1.45K decks
4%synergy
Arcane Signet
77%inclusion1.11K decks1.45K decks
4%synergy
Fellwar Stone
5.6%inclusion81 decks1.45K decks
-15%synergy
Talisman of Resilience
5.3%inclusion77 decks1.45K 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%inclusion1.41K decks1.45K decks
23%synergy
Woodland Cemetery
74%inclusion1.08K decks1.45K decks
42%synergy
Exotic Orchard
73%inclusion1.06K decks1.45K decks
37%synergy
Hinterland Harbor
71%inclusion1.04K decks1.45K decks
38%synergy
Dreamroot Cascade
69%inclusion1K decks1.45K decks
47%synergy
Opulent Palace
66%inclusion957 decks1.45K decks
38%synergy
Breeding Pool
65%inclusion943 decks1.45K decks
23%synergy
Overgrown Tomb
65%inclusion942 decks1.45K decks
23%synergy
Watery Grave
64%inclusion930 decks1.45K decks
22%synergy
Llanowar Wastes
59%inclusion857 decks1.45K decks
32%synergy
Polluted Delta
56%inclusion811 decks1.45K decks
44%synergy
Zagoth Triome
55%inclusion796 decks1.45K decks
28%synergy
Verdant Catacombs
53%inclusion776 decks1.45K decks
43%synergy
Misty Rainforest
53%inclusion764 decks1.45K decks
41%synergy
Foreboding Landscape
52%inclusion762 decks1.45K decks
44%synergy
Sunken Hollow
52%inclusion753 decks1.45K decks
18%synergy
Terramorphic Expanse
41%inclusion590 decks1.45K decks
26%synergy
Golgari Rot Farm
39%inclusion564 decks1.45K decks
22%synergy
Underground Mortuary
38%inclusion555 decks1.45K decks
26%synergy
Hedge Maze
36%inclusion521 decks1.45K decks
25%synergy
Undergrowth Stadium
36%inclusion520 decks1.45K decks
12%synergy
Rejuvenating Springs
35%inclusion504 decks1.45K decks
9%synergy
Undercity Sewers
32%inclusion460 decks1.45K decks
20%synergy
Fetid Pools
28%inclusion409 decks1.45K decks
21%synergy
Darkwater Catacombs
26%inclusion372 decks1.45K decks
11%synergy
Morphic Pool
25%inclusion365 decks1.45K decks
1%synergy
Fabled Passage
23%inclusion340 decks1.45K decks
14%synergy
Myriad Landscape
22%inclusion317 decks1.45K decks
6%synergy
Drowned Catacomb
20%inclusion295 decks1.45K decks
-9%synergy
Temple of Malady
18%inclusion265 decks1.45K decks
3%synergy
Yavimaya Coast
18%inclusion256 decks1.45K decks
-9%synergy
Deathcap Glade
16%inclusion233 decks1.45K decks
3%synergy
Haunted Mire
16%inclusion229 decks1.45K decks
10%synergy
Shipwreck Marsh
14%inclusion207 decks1.45K decks
-4%synergy
Evolving Wilds
14%inclusion197 decks1.45K decks
-7%synergy
Underground River
12%inclusion179 decks1.45K decks
-10%synergy
Windswept Heath
11%inclusion166 decks1.45K decks
0%synergy
Bayou
11%inclusion156 decks1.45K decks
-3%synergy
Wooded Foothills
10%inclusion150 decks1.45K decks
0%synergy
Underground Sea
10%inclusion150 decks1.45K decks
-4%synergy
Tropical Island
10%inclusion149 decks1.45K decks
-4%synergy
Contaminated Aquifer
10%inclusion148 decks1.45K decks
7%synergy
Bloodstained Mire
10%inclusion146 decks1.45K decks
-1%synergy
Wastewood Verge
10%inclusion142 decks1.45K decks
2%synergy
Flooded Strand
10%inclusion141 decks1.45K decks
-2%synergy
Simic Growth Chamber
10%inclusion141 decks1.45K decks
-7%synergy