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
4.0%inclusion1K decks25.1K decks
Kotis, Sibsig Champion
9.1%inclusion78 decks854 decks
Sidisi, Brood Tyrant
1.4%inclusion59 decks4.11K decks
Muldrotha, the Gravetide
0.3%inclusion34 decks13.2K decks
Sin, Spira's Punishment
0.6%inclusion22 decks3.83K decks
Teval, Arbiter of Virtue
0.3%inclusion14 decks4.87K decks
The Master, Transcendent
0.1%inclusion3 decks2.03K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.31K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks14.2K decks
The Mimeoplasm
0.1%inclusion2 decks3.44K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.63K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.5%inclusion1 decks182 decks
The Wise Mothman
0.0%inclusion1 decks16.6K decks
Ravos, Soultender // Thrasios, Triton Hero
0.4%inclusion1 decks274 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks9.01K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks12.2K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.6%inclusion1 decks179 decks
Terra, Magical Adept
0.0%inclusion1 decks13.2K decks
New Cards
Twilight Diviner
6.6%inclusion10 decks152 decks
4%synergy
Lluwen, Imperfect Naturalist
3.9%inclusion6 decks155 decks
3%synergy
Midnight Tilling
3.8%inclusion6 decks157 decks
3%synergy
Moonshadow
2.0%inclusion3 decks152 decks
1%synergy
Wistfulness
1.9%inclusion3 decks157 decks
0%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.07K decks1.23K decks
82%synergy
Colossal Grave-Reaver
85%inclusion1.04K decks1.23K decks
80%synergy
Teval's Judgment
82%inclusion1K decks1.23K decks
79%synergy
Hedron Crab
79%inclusion977 decks1.23K decks
78%synergy
Six
79%inclusion973 decks1.23K decks
74%synergy
Gravecrawler
76%inclusion935 decks1.23K decks
72%synergy
Ripples of Undeath
76%inclusion937 decks1.23K decks
71%synergy
Stitcher's Supplier
73%inclusion893 decks1.23K decks
69%synergy
Wonder
72%inclusion883 decks1.23K decks
68%synergy
Muldrotha, the Gravetide
77%inclusion949 decks1.23K decks
68%synergy
Top Cards
Victimize
80%inclusion982 decks1.23K decks
68%synergy
Living Death
73%inclusion895 decks1.23K decks
68%synergy
Insidious Roots
71%inclusion869 decks1.23K decks
65%synergy
Reanimate
70%inclusion864 decks1.23K decks
51%synergy
Kheru Goldkeeper
70%inclusion853 decks1.22K decks
66%synergy
Skull Prophet
68%inclusion840 decks1.23K decks
63%synergy
Farseek
68%inclusion832 decks1.23K decks
32%synergy
Sidisi, Brood Tyrant
67%inclusion823 decks1.23K decks
64%synergy
Dread Return
67%inclusion822 decks1.23K decks
62%synergy
Conduit of Worlds
67%inclusion818 decks1.23K decks
61%synergy
Game Changers
Field of the Dead
44%inclusion545 decks1.23K decks
41%synergy
Crop Rotation
30%inclusion364 decks1.23K decks
20%synergy
Cyclonic Rift
17%inclusion210 decks1.23K decks
-5%synergy
Fierce Guardianship
11%inclusion136 decks1.23K decks
-7%synergy
Demonic Tutor
9.4%inclusion116 decks1.23K decks
-10%synergy
Vampiric Tutor
7.8%inclusion96 decks1.23K decks
-7%synergy
Gifts Ungiven
7.1%inclusion87 decks1.23K decks
5%synergy
Glacial Chasm
6.2%inclusion76 decks1.23K decks
5%synergy
Gaea's Cradle
5.2%inclusion64 decks1.23K decks
-1%synergy
Thassa's Oracle
5.1%inclusion63 decks1.23K decks
-1%synergy
Creatures
Sakura-Tribe Elder
65%inclusion801 decks1.23K decks
49%synergy
The Gitrog Monster
64%inclusion791 decks1.23K decks
57%synergy
Kishla Skimmer
63%inclusion772 decks1.23K decks
61%synergy
Timeless Witness
61%inclusion750 decks1.23K decks
58%synergy
Syr Konrad, the Grim
60%inclusion743 decks1.23K decks
52%synergy
Meren of Clan Nel Toth
60%inclusion736 decks1.23K decks
56%synergy
Aftermath Analyst
59%inclusion724 decks1.23K decks
55%synergy
Icetill Explorer
54%inclusion344 decks642 decks
47%synergy
The Scarab God
53%inclusion657 decks1.23K decks
50%synergy
River Kelpie
53%inclusion651 decks1.23K decks
52%synergy
Avenger of Zendikar
50%inclusion610 decks1.23K decks
41%synergy
Nyx Weaver
48%inclusion593 decks1.23K decks
44%synergy
Deathrite Shaman
48%inclusion588 decks1.23K decks
37%synergy
Steward of the Harvest
42%inclusion520 decks1.23K decks
42%synergy
Ob Nixilis, the Fallen
42%inclusion516 decks1.23K decks
40%synergy
Shigeki, Jukai Visionary
35%inclusion435 decks1.23K decks
33%synergy
Wight of the Reliquary
35%inclusion427 decks1.23K decks
29%synergy
Tatyova, Benthic Druid
34%inclusion417 decks1.23K decks
22%synergy
Ramunap Excavator
33%inclusion407 decks1.23K decks
27%synergy
Floral Evoker
32%inclusion398 decks1.23K decks
32%synergy
Springbloom Druid
30%inclusion366 decks1.23K decks
26%synergy
Lost Monarch of Ifnir
29%inclusion359 decks1.23K decks
28%synergy
Birds of Paradise
28%inclusion349 decks1.23K decks
1%synergy
Craterhoof Behemoth
26%inclusion319 decks1.23K decks
19%synergy
Jarad, Golgari Lich Lord
26%inclusion318 decks1.23K decks
22%synergy
Hermit Druid
25%inclusion305 decks1.23K decks
23%synergy
Uro, Titan of Nature's Wrath
23%inclusion278 decks1.23K decks
18%synergy
Tormod, the Desecrator
22%inclusion271 decks1.23K decks
21%synergy
Dauthi Voidwalker
18%inclusion223 decks1.23K decks
12%synergy
Satyr Wayfinder
17%inclusion209 decks1.23K decks
15%synergy
World Shaper
17%inclusion203 decks1.23K decks
14%synergy
Diviner of Mist
16%inclusion197 decks1.23K decks
16%synergy
Scute Swarm
16%inclusion196 decks1.23K decks
6%synergy
Millikin
16%inclusion193 decks1.23K decks
15%synergy
Bloodghast
15%inclusion183 decks1.23K decks
12%synergy
Lotuslight Dancers
15%inclusion177 decks1.21K decks
13%synergy
Aesi, Tyrant of Gyre Strait
15%inclusion179 decks1.23K decks
8%synergy
Warren Soultrader
13%inclusion165 decks1.23K decks
8%synergy
Underrealm Lich
13%inclusion163 decks1.23K decks
10%synergy
Teval, the Balanced Scale
13%inclusion157 decks1.23K decks
10%synergy
Lumra, Bellow of the Woods
12%inclusion150 decks1.23K decks
10%synergy
Overlord of the Balemurk
12%inclusion149 decks1.23K decks
11%synergy
Tireless Provisioner
12%inclusion148 decks1.23K decks
1%synergy
Sylvan Safekeeper
12%inclusion145 decks1.23K decks
8%synergy
Golgari Grave-Troll
12%inclusion143 decks1.23K decks
10%synergy
Lord of Extinction
11%inclusion138 decks1.23K decks
9%synergy
Molt Tender
11%inclusion132 decks1.23K decks
10%synergy
Tasigur, the Golden Fang
11%inclusion131 decks1.23K decks
10%synergy
Lotus Cobra
9.4%inclusion115 decks1.23K decks
2%synergy
Junji, the Midnight Sky
8.8%inclusion108 decks1.23K decks
6%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
66%inclusion806 decks1.23K decks
35%synergy
Tear Asunder
51%inclusion630 decks1.23K decks
44%synergy
Grapple with the Past
49%inclusion606 decks1.23K decks
48%synergy
Harrow
48%inclusion592 decks1.23K decks
39%synergy
Putrefy
39%inclusion485 decks1.23K decks
23%synergy
Lethal Scheme
39%inclusion484 decks1.23K decks
37%synergy
Beast Within
32%inclusion397 decks1.23K decks
-2%synergy
Counterspell
31%inclusion379 decks1.23K decks
-11%synergy
Grisly Salvage
27%inclusion330 decks1.23K decks
21%synergy
Entomb
25%inclusion307 decks1.23K decks
18%synergy
An Offer You Can't Refuse
22%inclusion265 decks1.23K decks
-3%synergy
Heroic Intervention
15%inclusion181 decks1.23K decks
-16%synergy
Arcane Denial
12%inclusion144 decks1.23K decks
-9%synergy
Deadly Rollick
11%inclusion141 decks1.23K decks
-2%synergy
Noxious Revival
11%inclusion138 decks1.23K decks
6%synergy
Swan Song
11%inclusion137 decks1.23K decks
-6%synergy
Forbidden Alchemy
9.0%inclusion111 decks1.23K decks
8%synergy
Smuggler's Surprise
8.5%inclusion104 decks1.23K decks
6%synergy
Auroral Procession
8.5%inclusion104 decks1.23K decks
6%synergy
Mana Drain
8.3%inclusion102 decks1.23K decks
-6%synergy
Abrupt Decay
7.3%inclusion90 decks1.23K decks
-2%synergy
Fell the Profane
7.2%inclusion88 decks1.23K decks
-2%synergy
Sink into Stupor
7.2%inclusion88 decks1.23K decks
-3%synergy
Pile On
6.4%inclusion79 decks1.23K decks
6%synergy
Cache Grab
6.0%inclusion74 decks1.23K decks
5%synergy
Frantic Search
5.9%inclusion73 decks1.23K decks
-9%synergy
Negate
5.4%inclusion66 decks1.23K decks
-16%synergy
Dark Ritual
5.3%inclusion65 decks1.23K decks
-19%synergy
Sorceries
Will of the Sultai
62%inclusion759 decks1.23K decks
60%synergy
Afterlife from the Loam
54%inclusion663 decks1.23K decks
53%synergy
Rampant Growth
44%inclusion536 decks1.23K decks
10%synergy
Welcome the Dead
42%inclusion511 decks1.23K decks
41%synergy
Cultivate
33%inclusion410 decks1.23K decks
-9%synergy
Nature's Lore
32%inclusion396 decks1.23K decks
1%synergy
Toxic Deluge
23%inclusion278 decks1.23K decks
4%synergy
Three Visits
22%inclusion270 decks1.23K decks
-2%synergy
Buried Alive
17%inclusion214 decks1.23K decks
11%synergy
Bala Ged Recovery
14%inclusion177 decks1.23K decks
7%synergy
Treasure Cruise
13%inclusion165 decks1.23K decks
9%synergy
Rise of the Dark Realms
12%inclusion142 decks1.23K decks
7%synergy
Casualties of War
9.1%inclusion112 decks1.23K decks
5%synergy
Death Begets Life
8.9%inclusion109 decks1.23K decks
7%synergy
Necromantic Selection
7.9%inclusion97 decks1.23K decks
7%synergy
Breach the Multiverse
7.7%inclusion95 decks1.23K decks
4%synergy
Culling Ritual
7.6%inclusion93 decks1.23K decks
-3%synergy
Rise of the Witch-king
6.5%inclusion80 decks1.23K decks
2%synergy
Finale of Devastation
6.3%inclusion78 decks1.23K decks
-1%synergy
Windfall
6.3%inclusion77 decks1.23K decks
-6%synergy
Stitch Together
6.0%inclusion74 decks1.23K decks
4%synergy
Blasphemous Edict
6.0%inclusion74 decks1.23K decks
0%synergy
Nature's Rhythm
5.4%inclusion66 decks1.22K decks
1%synergy
Damnation
5.4%inclusion66 decks1.23K decks
-1%synergy
Malevolent Rumble
5.2%inclusion64 decks1.23K decks
4%synergy
Utility Artifacts
Hedge Shredder
65%inclusion803 decks1.23K decks
62%synergy
Lightning Greaves
38%inclusion473 decks1.23K decks
14%synergy
Phyrexian Altar
29%inclusion358 decks1.23K decks
26%synergy
Mesmeric Orb
18%inclusion220 decks1.23K decks
16%synergy
Crucible of Worlds
12%inclusion152 decks1.23K decks
10%synergy
Ashnod's Altar
12%inclusion149 decks1.23K decks
6%synergy
Essence Anchor
6.6%inclusion81 decks1.23K decks
6%synergy
Perpetual Timepiece
6.4%inclusion79 decks1.23K decks
6%synergy
Amulet of Vigor
6.2%inclusion76 decks1.23K decks
5%synergy
Swiftfoot Boots
6.1%inclusion75 decks1.23K decks
-21%synergy
Enchantments
Phyrexian Reclamation
56%inclusion693 decks1.23K decks
53%synergy
Tortured Existence
53%inclusion653 decks1.23K decks
51%synergy
Titans' Nest
37%inclusion455 decks1.23K decks
36%synergy
Animate Dead
34%inclusion424 decks1.23K decks
26%synergy
Awaken the Honored Dead
27%inclusion337 decks1.23K decks
24%synergy
Crawling Sensation
19%inclusion231 decks1.23K decks
18%synergy
Rhystic Study
13%inclusion158 decks1.23K decks
-11%synergy
Glacierwood Siege
10%inclusion126 decks1.23K decks
8%synergy
Exploration
9.3%inclusion114 decks1.23K decks
1%synergy
Walk-In Closet // Forgotten Cellar
9.2%inclusion113 decks1.23K decks
7%synergy
Out of the Tombs
9.0%inclusion111 decks1.23K decks
8%synergy
Oversold Cemetery
8.6%inclusion106 decks1.23K decks
7%synergy
Spelunking
7.6%inclusion93 decks1.23K decks
3%synergy
Mystic Remora
7.4%inclusion91 decks1.23K decks
-9%synergy
Chthonian Nightmare
7.0%inclusion86 decks1.23K decks
6%synergy
Necromancy
5.7%inclusion70 decks1.23K decks
3%synergy
Screams from Within
5.5%inclusion68 decks1.23K decks
5%synergy
The Meathook Massacre
5.5%inclusion67 decks1.23K decks
0%synergy
Greater Good
5.4%inclusion66 decks1.23K decks
1%synergy
Planeswalkers
Grist, the Hunger Tide
6.8%inclusion84 decks1.23K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion737 decks1.23K decks
55%synergy
Cephalid Coliseum
54%inclusion667 decks1.23K decks
51%synergy
Memorial to Folly
42%inclusion511 decks1.23K decks
40%synergy
Shifting Woodland
41%inclusion508 decks1.23K decks
34%synergy
Crypt of Agadeem
39%inclusion475 decks1.23K decks
37%synergy
Takenuma, Abandoned Mire
33%inclusion406 decks1.23K decks
24%synergy
Drownyard Temple
33%inclusion402 decks1.23K decks
32%synergy
Boseiju, Who Endures
31%inclusion385 decks1.23K decks
13%synergy
Yavimaya, Cradle of Growth
27%inclusion332 decks1.23K decks
18%synergy
Urborg, Tomb of Yawgmoth
25%inclusion304 decks1.23K decks
16%synergy
Dakmor Salvage
24%inclusion301 decks1.23K decks
22%synergy
Bojuka Bog
22%inclusion271 decks1.23K decks
-8%synergy
Otawara, Soaring City
17%inclusion212 decks1.23K decks
1%synergy
Strip Mine
14%inclusion170 decks1.23K decks
11%synergy
Phyrexian Tower
14%inclusion170 decks1.23K decks
5%synergy
Kishla Village
10%inclusion120 decks1.23K decks
9%synergy
Mistrise Village
10%inclusion120 decks1.23K decks
2%synergy
Lotus Field
9.0%inclusion111 decks1.23K decks
8%synergy
Cabal Coffers
8.4%inclusion103 decks1.23K decks
-1%synergy
Reliquary Tower
7.6%inclusion93 decks1.23K decks
-22%synergy
Ghost Quarter
6.3%inclusion78 decks1.23K decks
4%synergy
Mana Artifacts
Sol Ring
87%inclusion1.07K decks1.23K decks
4%synergy
Arcane Signet
77%inclusion943 decks1.23K decks
4%synergy
Talisman of Resilience
5.9%inclusion72 decks1.23K decks
-7%synergy
Fellwar Stone
5.8%inclusion71 decks1.23K decks
-15%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%inclusion1.19K decks1.23K decks
23%synergy
Woodland Cemetery
74%inclusion905 decks1.23K decks
42%synergy
Exotic Orchard
73%inclusion899 decks1.23K decks
37%synergy
Hinterland Harbor
70%inclusion862 decks1.23K decks
37%synergy
Dreamroot Cascade
68%inclusion840 decks1.23K decks
47%synergy
Opulent Palace
65%inclusion801 decks1.23K decks
37%synergy
Overgrown Tomb
65%inclusion795 decks1.23K decks
24%synergy
Breeding Pool
65%inclusion794 decks1.23K decks
23%synergy
Watery Grave
65%inclusion793 decks1.23K decks
23%synergy
Llanowar Wastes
59%inclusion724 decks1.23K decks
32%synergy
Polluted Delta
57%inclusion699 decks1.23K decks
45%synergy
Zagoth Triome
56%inclusion685 decks1.23K decks
28%synergy
Verdant Catacombs
55%inclusion676 decks1.23K decks
44%synergy
Misty Rainforest
54%inclusion659 decks1.23K decks
42%synergy
Foreboding Landscape
52%inclusion641 decks1.23K decks
43%synergy
Sunken Hollow
51%inclusion627 decks1.23K decks
17%synergy
Underground Mortuary
40%inclusion493 decks1.23K decks
27%synergy
Terramorphic Expanse
39%inclusion480 decks1.23K decks
24%synergy
Golgari Rot Farm
38%inclusion464 decks1.23K decks
21%synergy
Hedge Maze
38%inclusion462 decks1.23K decks
27%synergy
Undergrowth Stadium
37%inclusion455 decks1.23K decks
14%synergy
Rejuvenating Springs
36%inclusion444 decks1.23K decks
10%synergy
Undercity Sewers
34%inclusion418 decks1.23K decks
23%synergy
Fetid Pools
28%inclusion340 decks1.23K decks
21%synergy
Morphic Pool
26%inclusion320 decks1.23K decks
2%synergy
Darkwater Catacombs
25%inclusion313 decks1.23K decks
11%synergy
Fabled Passage
23%inclusion281 decks1.23K decks
14%synergy
Myriad Landscape
22%inclusion270 decks1.23K decks
6%synergy
Drowned Catacomb
20%inclusion248 decks1.23K decks
-9%synergy
Temple of Malady
19%inclusion231 decks1.23K decks
3%synergy
Yavimaya Coast
17%inclusion208 decks1.23K decks
-10%synergy
Deathcap Glade
16%inclusion195 decks1.23K decks
3%synergy
Haunted Mire
15%inclusion182 decks1.23K decks
9%synergy
Shipwreck Marsh
15%inclusion180 decks1.23K decks
-4%synergy
Evolving Wilds
13%inclusion165 decks1.23K decks
-7%synergy
Underground River
12%inclusion151 decks1.23K decks
-10%synergy
Windswept Heath
12%inclusion145 decks1.23K decks
1%synergy
Bayou
11%inclusion136 decks1.23K decks
-2%synergy
Underground Sea
11%inclusion132 decks1.23K decks
-4%synergy
Tropical Island
11%inclusion131 decks1.23K decks
-4%synergy
Wooded Foothills
10%inclusion128 decks1.23K decks
0%synergy
Flooded Strand
10%inclusion127 decks1.23K decks
-1%synergy
Bloodstained Mire
10%inclusion124 decks1.23K decks
-1%synergy
Marsh Flats
10%inclusion120 decks1.23K decks
-1%synergy
Wastewood Verge
10%inclusion119 decks1.23K decks
2%synergy
Simic Growth Chamber
9.4%inclusion116 decks1.23K decks
-8%synergy