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
3.8%inclusion1.30K decks34.2K decks
Sidisi, Brood Tyrant
1.2%inclusion65 decks5.43K decks
Muldrotha, the Gravetide
0.2%inclusion44 decks18.1K decks
Sin, Spira's Punishment
0.4%inclusion22 decks5.30K decks
Teval, Arbiter of Virtue
0.2%inclusion14 decks5.91K decks
The Master, Transcendent
0.1%inclusion4 decks2.80K decks
Glarb, Calamity's Augur
0.0%inclusion3 decks17.2K decks
The Wise Mothman
0.0%inclusion2 decks25K decks
Tasigur, the Golden Fang
0.0%inclusion2 decks4.46K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks17.9K decks
Mimeoplasm, Revered One
0.0%inclusion1 decks2.13K decks
The Mimeoplasm
0.0%inclusion1 decks4.85K decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks388 decks
Terra, Magical Adept
0.0%inclusion1 decks17.4K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.4%inclusion1 decks232 decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.4%inclusion1 decks265 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks12.6K decks
New Cards
Mole Man, Moloid Master
12%inclusion13 decks113 decks
10%synergy
Return of the Mole Man
4.0%inclusion4 decks99 decks
4%synergy
Hidden Lair
1.7%inclusion2 decks117 decks
-0%synergy
Doom's Time Platform
1.1%inclusion1 decks95 decks
0%synergy
Loki, Lord of Misrule
1.0%inclusion1 decks99 decks
0%synergy
High Synergy Cards
Life from the Loam
86%inclusion1.34K decks1.56K decks
82%synergy
Teval's Judgment
83%inclusion1.29K decks1.56K decks
81%synergy
Colossal Grave-Reaver
85%inclusion1.33K decks1.56K decks
80%synergy
Hedron Crab
81%inclusion1.26K decks1.56K decks
79%synergy
Six
80%inclusion1.24K decks1.56K decks
74%synergy
Gravecrawler
77%inclusion1.21K decks1.56K decks
73%synergy
Ripples of Undeath
77%inclusion1.20K decks1.56K decks
72%synergy
Stitcher's Supplier
74%inclusion1.15K decks1.56K decks
70%synergy
Living Death
75%inclusion1.16K decks1.56K decks
69%synergy
Victimize
82%inclusion1.27K decks1.56K decks
69%synergy
Top Cards
Muldrotha, the Gravetide
79%inclusion1.23K decks1.56K decks
69%synergy
Wonder
72%inclusion1.13K decks1.56K decks
69%synergy
Insidious Roots
72%inclusion1.12K decks1.56K decks
67%synergy
Reanimate
70%inclusion1.10K decks1.56K decks
51%synergy
Kheru Goldkeeper
70%inclusion1.09K decks1.55K decks
66%synergy
Sidisi, Brood Tyrant
69%inclusion1.07K decks1.56K decks
65%synergy
Skull Prophet
68%inclusion1.07K decks1.56K decks
63%synergy
Farseek
68%inclusion1.06K decks1.56K decks
32%synergy
Conduit of Worlds
68%inclusion1.06K decks1.56K decks
63%synergy
Dread Return
68%inclusion1.06K decks1.56K decks
63%synergy
Game Changers
Field of the Dead
43%inclusion678 decks1.56K decks
41%synergy
Crop Rotation
30%inclusion474 decks1.56K decks
21%synergy
Cyclonic Rift
16%inclusion250 decks1.56K decks
-5%synergy
Fierce Guardianship
11%inclusion173 decks1.56K decks
-6%synergy
Vampiric Tutor
7.8%inclusion121 decks1.56K decks
-7%synergy
Gifts Ungiven
6.9%inclusion108 decks1.56K decks
5%synergy
Glacial Chasm
6.3%inclusion98 decks1.56K decks
6%synergy
Thassa's Oracle
5.4%inclusion85 decks1.56K decks
-0%synergy
Worldly Tutor
5.4%inclusion84 decks1.56K decks
-6%synergy
Gaea's Cradle
5.1%inclusion79 decks1.56K decks
-1%synergy
Creatures
The Gitrog Monster
67%inclusion1.04K decks1.56K decks
60%synergy
Sakura-Tribe Elder
66%inclusion1.03K decks1.56K decks
50%synergy
Kishla Skimmer
63%inclusion982 decks1.56K decks
61%synergy
Syr Konrad, the Grim
61%inclusion955 decks1.56K decks
53%synergy
Meren of Clan Nel Toth
61%inclusion954 decks1.56K decks
57%synergy
Timeless Witness
61%inclusion953 decks1.56K decks
58%synergy
Aftermath Analyst
60%inclusion934 decks1.56K decks
55%synergy
Icetill Explorer
58%inclusion577 decks997 decks
51%synergy
River Kelpie
54%inclusion836 decks1.56K decks
53%synergy
The Scarab God
53%inclusion823 decks1.56K decks
50%synergy
Avenger of Zendikar
50%inclusion773 decks1.56K decks
41%synergy
Nyx Weaver
49%inclusion769 decks1.56K decks
45%synergy
Deathrite Shaman
47%inclusion730 decks1.56K decks
36%synergy
Ob Nixilis, the Fallen
44%inclusion683 decks1.56K decks
42%synergy
Steward of the Harvest
39%inclusion600 decks1.56K decks
38%synergy
Shigeki, Jukai Visionary
37%inclusion575 decks1.56K decks
35%synergy
Tatyova, Benthic Druid
35%inclusion553 decks1.56K decks
24%synergy
Wight of the Reliquary
35%inclusion545 decks1.56K decks
29%synergy
Ramunap Excavator
32%inclusion500 decks1.56K decks
26%synergy
Springbloom Druid
31%inclusion480 decks1.56K decks
27%synergy
Floral Evoker
30%inclusion465 decks1.56K decks
29%synergy
Birds of Paradise
28%inclusion438 decks1.56K decks
0%synergy
Craterhoof Behemoth
28%inclusion433 decks1.56K decks
20%synergy
Jarad, Golgari Lich Lord
28%inclusion430 decks1.56K decks
24%synergy
Lost Monarch of Ifnir
27%inclusion429 decks1.56K decks
26%synergy
Grave Researcher
24%inclusion83 decks342 decks
20%synergy
Hermit Druid
23%inclusion362 decks1.56K decks
22%synergy
Uro, Titan of Nature's Wrath
22%inclusion340 decks1.56K decks
17%synergy
Tormod, the Desecrator
20%inclusion305 decks1.56K decks
19%synergy
Satyr Wayfinder
18%inclusion281 decks1.56K decks
16%synergy
Dauthi Voidwalker
18%inclusion275 decks1.56K decks
12%synergy
Millikin
16%inclusion254 decks1.56K decks
15%synergy
World Shaper
16%inclusion249 decks1.56K decks
13%synergy
Scute Swarm
16%inclusion246 decks1.56K decks
6%synergy
Diviner of Mist
15%inclusion232 decks1.56K decks
15%synergy
Bloodghast
14%inclusion222 decks1.56K decks
11%synergy
Aesi, Tyrant of Gyre Strait
14%inclusion222 decks1.56K decks
7%synergy
Lotuslight Dancers
14%inclusion209 decks1.55K decks
12%synergy
Warren Soultrader
13%inclusion203 decks1.56K decks
7%synergy
Lumra, Bellow of the Woods
12%inclusion194 decks1.56K decks
10%synergy
Lord of Extinction
12%inclusion189 decks1.56K decks
10%synergy
Overlord of the Balemurk
12%inclusion184 decks1.56K decks
10%synergy
Underrealm Lich
12%inclusion183 decks1.56K decks
9%synergy
Sylvan Safekeeper
12%inclusion183 decks1.56K decks
8%synergy
Teval, the Balanced Scale
12%inclusion182 decks1.56K decks
9%synergy
Tireless Provisioner
12%inclusion181 decks1.56K decks
1%synergy
Golgari Grave-Troll
11%inclusion165 decks1.56K decks
9%synergy
Molt Tender
11%inclusion164 decks1.56K decks
10%synergy
Tasigur, the Golden Fang
10%inclusion149 decks1.56K decks
9%synergy
Lotus Cobra
10%inclusion149 decks1.56K decks
2%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
66%inclusion1.02K decks1.56K decks
34%synergy
Tear Asunder
54%inclusion838 decks1.56K decks
46%synergy
Grapple with the Past
50%inclusion779 decks1.56K decks
48%synergy
Harrow
49%inclusion761 decks1.56K decks
40%synergy
Putrefy
41%inclusion640 decks1.56K decks
25%synergy
Lethal Scheme
40%inclusion629 decks1.56K decks
38%synergy
Counterspell
33%inclusion510 decks1.56K decks
-9%synergy
Beast Within
30%inclusion467 decks1.56K decks
-3%synergy
Grisly Salvage
28%inclusion440 decks1.56K decks
23%synergy
Entomb
26%inclusion403 decks1.56K decks
19%synergy
An Offer You Can't Refuse
23%inclusion356 decks1.56K decks
-3%synergy
Heroic Intervention
15%inclusion234 decks1.56K decks
-16%synergy
Deadly Rollick
13%inclusion197 decks1.56K decks
-2%synergy
Swan Song
12%inclusion187 decks1.56K decks
-6%synergy
Arcane Denial
11%inclusion178 decks1.56K decks
-9%synergy
Noxious Revival
10%inclusion163 decks1.56K decks
6%synergy
Dina's Guidance
9.4%inclusion29 decks307 decks
5%synergy
Forbidden Alchemy
8.9%inclusion139 decks1.56K decks
8%synergy
Auroral Procession
8.5%inclusion133 decks1.56K decks
6%synergy
Smuggler's Surprise
8.3%inclusion130 decks1.56K decks
6%synergy
Abrupt Decay
7.6%inclusion118 decks1.56K decks
-1%synergy
Mana Drain
7.6%inclusion118 decks1.56K decks
-7%synergy
Fell the Profane
7.2%inclusion112 decks1.56K decks
-2%synergy
Sink into Stupor
6.7%inclusion104 decks1.56K decks
-4%synergy
Cache Grab
6.3%inclusion99 decks1.56K decks
6%synergy
Pile On
6.2%inclusion97 decks1.56K decks
6%synergy
Frantic Search
6.1%inclusion96 decks1.56K decks
-9%synergy
Dark Ritual
5.3%inclusion83 decks1.56K decks
-20%synergy
Malakir Rebirth
5.1%inclusion80 decks1.56K decks
-3%synergy
Sorceries
Will of the Sultai
62%inclusion963 decks1.56K decks
60%synergy
Afterlife from the Loam
52%inclusion814 decks1.56K decks
51%synergy
Rampant Growth
44%inclusion690 decks1.56K decks
12%synergy
Welcome the Dead
40%inclusion629 decks1.56K decks
40%synergy
Cultivate
33%inclusion518 decks1.56K decks
-9%synergy
Nature's Lore
32%inclusion498 decks1.56K decks
0%synergy
Toxic Deluge
22%inclusion343 decks1.56K decks
4%synergy
Three Visits
22%inclusion341 decks1.56K decks
-2%synergy
Buried Alive
19%inclusion289 decks1.56K decks
12%synergy
Bala Ged Recovery
14%inclusion225 decks1.56K decks
7%synergy
Treasure Cruise
13%inclusion200 decks1.56K decks
8%synergy
Rise of the Dark Realms
12%inclusion181 decks1.56K decks
7%synergy
Demonic Tutor
10%inclusion157 decks1.56K decks
-9%synergy
Casualties of War
9.4%inclusion147 decks1.56K decks
5%synergy
Death Begets Life
8.7%inclusion135 decks1.56K decks
7%synergy
Necromantic Selection
8.0%inclusion125 decks1.56K decks
7%synergy
Culling Ritual
7.8%inclusion122 decks1.56K decks
-3%synergy
Stitch Together
6.8%inclusion106 decks1.56K decks
5%synergy
Breach the Multiverse
6.4%inclusion100 decks1.56K decks
3%synergy
Rise of the Witch-king
6.0%inclusion94 decks1.56K decks
2%synergy
Finale of Devastation
6.0%inclusion94 decks1.56K decks
-1%synergy
Blasphemous Edict
5.7%inclusion89 decks1.56K decks
0%synergy
Windfall
5.5%inclusion86 decks1.56K decks
-6%synergy
Nature's Rhythm
5.3%inclusion83 decks1.55K decks
1%synergy
Damnation
5.3%inclusion83 decks1.56K decks
-1%synergy
Diabolic Intent
5.3%inclusion83 decks1.56K decks
-2%synergy
Agadeem's Awakening
5.2%inclusion81 decks1.56K decks
2%synergy
Singularity Rupture
5.1%inclusion52 decks1.02K decks
1%synergy
Utility Artifacts
Hedge Shredder
65%inclusion1.02K decks1.56K decks
62%synergy
Lightning Greaves
39%inclusion605 decks1.56K decks
14%synergy
Phyrexian Altar
30%inclusion461 decks1.56K decks
26%synergy
Cauldron of Essence
26%inclusion79 decks307 decks
16%synergy
Mesmeric Orb
17%inclusion266 decks1.56K decks
16%synergy
Ashnod's Altar
12%inclusion192 decks1.56K decks
6%synergy
Crucible of Worlds
12%inclusion186 decks1.56K decks
10%synergy
Essence Anchor
7.0%inclusion109 decks1.56K decks
7%synergy
Perpetual Timepiece
6.9%inclusion108 decks1.56K decks
6%synergy
Swiftfoot Boots
6.8%inclusion106 decks1.56K decks
-20%synergy
Amulet of Vigor
5.8%inclusion90 decks1.56K decks
5%synergy
Enchantments
Phyrexian Reclamation
58%inclusion898 decks1.56K decks
54%synergy
Tortured Existence
56%inclusion868 decks1.56K decks
54%synergy
Titans' Nest
34%inclusion529 decks1.56K decks
33%synergy
Animate Dead
33%inclusion520 decks1.56K decks
25%synergy
Awaken the Honored Dead
28%inclusion432 decks1.56K decks
24%synergy
Crawling Sensation
19%inclusion291 decks1.56K decks
17%synergy
Rhystic Study
12%inclusion189 decks1.56K decks
-11%synergy
Glacierwood Siege
10%inclusion151 decks1.56K decks
8%synergy
Exploration
8.8%inclusion137 decks1.56K decks
1%synergy
Oversold Cemetery
8.2%inclusion128 decks1.56K decks
6%synergy
Walk-In Closet // Forgotten Cellar
7.9%inclusion123 decks1.56K decks
6%synergy
Mystic Remora
7.8%inclusion121 decks1.56K decks
-8%synergy
Out of the Tombs
7.4%inclusion116 decks1.56K decks
6%synergy
Spelunking
7.2%inclusion113 decks1.56K decks
3%synergy
Chthonian Nightmare
6.4%inclusion100 decks1.56K decks
5%synergy
Necromancy
5.7%inclusion89 decks1.56K decks
3%synergy
The Meathook Massacre
5.6%inclusion87 decks1.56K decks
0%synergy
Screams from Within
5.4%inclusion84 decks1.56K decks
5%synergy
Planeswalkers
Grist, the Hunger Tide
6.0%inclusion93 decks1.56K decks
2%synergy
Artifacts
Sol Ring
87%inclusion1.35K decks1.56K decks
3%synergy
Arcane Signet
76%inclusion1.19K decks1.56K decks
4%synergy
Hedge Shredder
65%inclusion1.02K decks1.56K decks
62%synergy
Lightning Greaves
39%inclusion605 decks1.56K decks
14%synergy
Phyrexian Altar
30%inclusion461 decks1.56K decks
26%synergy
Cauldron of Essence
26%inclusion79 decks307 decks
16%synergy
Mesmeric Orb
17%inclusion266 decks1.56K decks
16%synergy
Ashnod's Altar
12%inclusion192 decks1.56K decks
6%synergy
Crucible of Worlds
12%inclusion186 decks1.56K decks
10%synergy
Essence Anchor
7.0%inclusion109 decks1.56K decks
7%synergy
Perpetual Timepiece
6.9%inclusion108 decks1.56K decks
6%synergy
Swiftfoot Boots
6.8%inclusion106 decks1.56K decks
-20%synergy
The Soul Stone
5.8%inclusion56 decks962 decks
2%synergy
Amulet of Vigor
5.8%inclusion90 decks1.56K decks
5%synergy
Talisman of Resilience
5.3%inclusion83 decks1.56K decks
-7%synergy
Fellwar Stone
5.3%inclusion82 decks1.56K decks
-15%synergy
Utility Lands
Command Beacon
60%inclusion941 decks1.56K decks
55%synergy
Cephalid Coliseum
55%inclusion854 decks1.56K decks
51%synergy
Memorial to Folly
43%inclusion668 decks1.56K decks
42%synergy
Shifting Woodland
40%inclusion624 decks1.56K decks
33%synergy
Crypt of Agadeem
39%inclusion602 decks1.56K decks
37%synergy
Drownyard Temple
33%inclusion518 decks1.56K decks
32%synergy
Takenuma, Abandoned Mire
32%inclusion493 decks1.56K decks
23%synergy
Boseiju, Who Endures
30%inclusion465 decks1.56K decks
11%synergy
Dakmor Salvage
25%inclusion397 decks1.56K decks
23%synergy
Yavimaya, Cradle of Growth
25%inclusion393 decks1.56K decks
17%synergy
Bojuka Bog
24%inclusion375 decks1.56K decks
-6%synergy
Urborg, Tomb of Yawgmoth
23%inclusion354 decks1.56K decks
14%synergy
Otawara, Soaring City
17%inclusion267 decks1.56K decks
1%synergy
Phyrexian Tower
14%inclusion211 decks1.56K decks
4%synergy
Strip Mine
13%inclusion207 decks1.56K decks
11%synergy
Lotus Field
9.2%inclusion143 decks1.56K decks
8%synergy
Kishla Village
9.0%inclusion141 decks1.56K decks
8%synergy
Mistrise Village
8.9%inclusion139 decks1.56K decks
1%synergy
Reliquary Tower
7.7%inclusion120 decks1.56K decks
-22%synergy
Cabal Coffers
7.6%inclusion118 decks1.56K decks
-2%synergy
Ghost Quarter
6.0%inclusion94 decks1.56K decks
4%synergy
Mosswort Bridge
5.4%inclusion84 decks1.56K decks
-5%synergy
Mana Artifacts
Sol Ring
87%inclusion1.35K decks1.56K decks
3%synergy
Arcane Signet
76%inclusion1.19K decks1.56K decks
4%synergy
The Soul Stone
5.8%inclusion56 decks962 decks
2%synergy
Talisman of Resilience
5.3%inclusion83 decks1.56K decks
-7%synergy
Fellwar Stone
5.3%inclusion82 decks1.56K decks
-15%synergy
Lands
Lush Portico
100%inclusion3 decks3 decks
91%synergy
Temple Garden
100%inclusion3 decks3 decks
60%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
59%synergy
Godless Shrine
100%inclusion3 decks3 decks
58%synergy
Command Tower
97%inclusion1.51K decks1.56K decks
23%synergy
Woodland Cemetery
75%inclusion1.16K decks1.56K decks
41%synergy
Exotic Orchard
73%inclusion1.14K decks1.56K decks
36%synergy
Hinterland Harbor
71%inclusion1.11K decks1.56K decks
37%synergy
Dreamroot Cascade
70%inclusion1.09K decks1.56K decks
47%synergy
Opulent Palace
66%inclusion1.02K decks1.56K decks
38%synergy
Overgrown Tomb
66%inclusion1.02K decks1.56K decks
24%synergy
Breeding Pool
65%inclusion1.02K decks1.56K decks
23%synergy
Watery Grave
64%inclusion1K decks1.56K decks
22%synergy
Llanowar Wastes
59%inclusion921 decks1.56K decks
31%synergy
Polluted Delta
56%inclusion872 decks1.56K decks
44%synergy
Zagoth Triome
54%inclusion848 decks1.56K decks
28%synergy
Verdant Catacombs
53%inclusion834 decks1.56K decks
43%synergy
Misty Rainforest
52%inclusion818 decks1.56K decks
41%synergy
Sunken Hollow
52%inclusion817 decks1.56K decks
19%synergy
Foreboding Landscape
51%inclusion802 decks1.56K decks
43%synergy
Terramorphic Expanse
39%inclusion616 decks1.56K decks
25%synergy
Golgari Rot Farm
39%inclusion604 decks1.56K decks
22%synergy
Underground Mortuary
38%inclusion587 decks1.56K decks
25%synergy
Undergrowth Stadium
36%inclusion562 decks1.56K decks
12%synergy
Hedge Maze
36%inclusion555 decks1.56K decks
25%synergy
Rejuvenating Springs
35%inclusion542 decks1.56K decks
9%synergy
Undercity Sewers
31%inclusion491 decks1.56K decks
20%synergy
Fetid Pools
28%inclusion442 decks1.56K decks
21%synergy
Darkwater Catacombs
25%inclusion396 decks1.56K decks
11%synergy
Morphic Pool
24%inclusion381 decks1.56K decks
1%synergy
Fabled Passage
24%inclusion372 decks1.56K decks
13%synergy
Myriad Landscape
22%inclusion341 decks1.56K decks
7%synergy
Drowned Catacomb
20%inclusion319 decks1.56K decks
-9%synergy
Temple of Malady
18%inclusion277 decks1.56K decks
2%synergy
Yavimaya Coast
18%inclusion277 decks1.56K decks
-9%synergy
Deathcap Glade
18%inclusion276 decks1.56K decks
3%synergy
Haunted Mire
15%inclusion238 decks1.56K decks
9%synergy
Shipwreck Marsh
15%inclusion232 decks1.56K decks
-3%synergy
Evolving Wilds
14%inclusion212 decks1.56K decks
-7%synergy
Underground River
13%inclusion200 decks1.56K decks
-10%synergy
Windswept Heath
11%inclusion177 decks1.56K decks
0%synergy
Bayou
11%inclusion170 decks1.56K decks
-2%synergy
Underground Sea
11%inclusion165 decks1.56K decks
-4%synergy
Tropical Island
10%inclusion163 decks1.56K decks
-4%synergy
Wooded Foothills
10%inclusion160 decks1.56K decks
-1%synergy
Bloodstained Mire
10%inclusion157 decks1.56K decks
-1%synergy
Contaminated Aquifer
10%inclusion152 decks1.56K decks
7%synergy
Flooded Strand
9.5%inclusion148 decks1.56K decks
-2%synergy
Simic Growth Chamber
9.5%inclusion148 decks1.56K decks
-7%synergy
Wastewood Verge
9.4%inclusion146 decks1.56K decks
2%synergy