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%inclusion1.29K decks33.9K decks
Sidisi, Brood Tyrant
1.2%inclusion64 decks5.41K decks
Muldrotha, the Gravetide
0.3%inclusion45 decks18K decks
Sin, Spira's Punishment
0.4%inclusion22 decks5.28K decks
Teval, Arbiter of Virtue
0.2%inclusion14 decks5.89K decks
The Master, Transcendent
0.1%inclusion4 decks2.78K decks
Glarb, Calamity's Augur
0.0%inclusion3 decks17.1K decks
The Wise Mothman
0.0%inclusion2 decks24.9K decks
The Mimeoplasm
0.0%inclusion2 decks4.81K decks
Tasigur, the Golden Fang
0.0%inclusion2 decks4.43K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks17.8K decks
Mimeoplasm, Revered One
0.0%inclusion1 decks2.12K decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks387 decks
Terra, Magical Adept
0.0%inclusion1 decks17.3K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.4%inclusion1 decks227 decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.4%inclusion1 decks263 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks12.5K decks
New Cards
Mole Man, Moloid Master
11%inclusion11 decks100 decks
10%synergy
Return of the Mole Man
2.3%inclusion2 decks86 decks
2%synergy
Doom's Time Platform
1.2%inclusion1 decks82 decks
1%synergy
Silver Surfer, Cosmic Voyager
1.2%inclusion1 decks86 decks
1%synergy
Grim Reaper's Scythe
1.2%inclusion1 decks86 decks
1%synergy
High Synergy Cards
Life from the Loam
86%inclusion1.34K decks1.55K decks
82%synergy
Teval's Judgment
83%inclusion1.29K decks1.55K decks
81%synergy
Colossal Grave-Reaver
85%inclusion1.32K decks1.55K decks
80%synergy
Hedron Crab
81%inclusion1.25K decks1.55K decks
79%synergy
Six
79%inclusion1.24K decks1.55K decks
74%synergy
Gravecrawler
77%inclusion1.20K decks1.55K decks
73%synergy
Ripples of Undeath
77%inclusion1.20K decks1.55K decks
72%synergy
Stitcher's Supplier
74%inclusion1.15K decks1.55K decks
70%synergy
Living Death
74%inclusion1.16K decks1.55K decks
69%synergy
Victimize
82%inclusion1.27K decks1.55K decks
69%synergy
Top Cards
Muldrotha, the Gravetide
79%inclusion1.22K decks1.55K decks
69%synergy
Wonder
72%inclusion1.12K decks1.55K decks
69%synergy
Insidious Roots
72%inclusion1.12K decks1.55K decks
67%synergy
Reanimate
70%inclusion1.10K decks1.55K decks
51%synergy
Kheru Goldkeeper
70%inclusion1.08K decks1.54K decks
66%synergy
Sidisi, Brood Tyrant
69%inclusion1.07K decks1.55K decks
66%synergy
Skull Prophet
68%inclusion1.06K decks1.55K decks
63%synergy
Farseek
68%inclusion1.06K decks1.55K decks
32%synergy
Dread Return
68%inclusion1.05K decks1.55K decks
63%synergy
Conduit of Worlds
68%inclusion1.05K decks1.55K decks
62%synergy
Game Changers
Field of the Dead
43%inclusion675 decks1.55K decks
41%synergy
Crop Rotation
30%inclusion472 decks1.55K decks
21%synergy
Cyclonic Rift
16%inclusion248 decks1.55K decks
-5%synergy
Fierce Guardianship
11%inclusion172 decks1.55K decks
-6%synergy
Vampiric Tutor
7.7%inclusion120 decks1.55K decks
-7%synergy
Gifts Ungiven
7.0%inclusion109 decks1.55K decks
5%synergy
Glacial Chasm
6.2%inclusion97 decks1.55K decks
5%synergy
Thassa's Oracle
5.5%inclusion85 decks1.55K decks
-0%synergy
Worldly Tutor
5.4%inclusion84 decks1.55K decks
-6%synergy
Gaea's Cradle
5.1%inclusion79 decks1.55K decks
-1%synergy
Creatures
The Gitrog Monster
66%inclusion1.03K decks1.55K decks
59%synergy
Sakura-Tribe Elder
66%inclusion1.02K decks1.55K decks
50%synergy
Kishla Skimmer
63%inclusion975 decks1.55K decks
61%synergy
Syr Konrad, the Grim
61%inclusion949 decks1.55K decks
53%synergy
Timeless Witness
61%inclusion948 decks1.55K decks
58%synergy
Meren of Clan Nel Toth
61%inclusion948 decks1.55K decks
57%synergy
Aftermath Analyst
60%inclusion933 decks1.55K decks
56%synergy
Icetill Explorer
58%inclusion576 decks991 decks
52%synergy
River Kelpie
54%inclusion834 decks1.55K decks
53%synergy
The Scarab God
53%inclusion818 decks1.55K decks
49%synergy
Avenger of Zendikar
50%inclusion770 decks1.55K decks
41%synergy
Nyx Weaver
49%inclusion766 decks1.55K decks
45%synergy
Deathrite Shaman
47%inclusion729 decks1.55K decks
36%synergy
Ob Nixilis, the Fallen
44%inclusion680 decks1.55K decks
42%synergy
Steward of the Harvest
38%inclusion596 decks1.55K decks
38%synergy
Shigeki, Jukai Visionary
37%inclusion568 decks1.55K decks
34%synergy
Tatyova, Benthic Druid
35%inclusion550 decks1.55K decks
24%synergy
Wight of the Reliquary
35%inclusion544 decks1.55K decks
29%synergy
Ramunap Excavator
32%inclusion498 decks1.55K decks
26%synergy
Springbloom Druid
31%inclusion476 decks1.55K decks
27%synergy
Floral Evoker
30%inclusion459 decks1.55K decks
29%synergy
Birds of Paradise
28%inclusion437 decks1.55K decks
0%synergy
Craterhoof Behemoth
28%inclusion432 decks1.55K decks
20%synergy
Lost Monarch of Ifnir
27%inclusion425 decks1.55K decks
26%synergy
Jarad, Golgari Lich Lord
27%inclusion425 decks1.55K decks
24%synergy
Grave Researcher
25%inclusion83 decks333 decks
21%synergy
Hermit Druid
23%inclusion363 decks1.55K decks
22%synergy
Uro, Titan of Nature's Wrath
22%inclusion339 decks1.55K decks
17%synergy
Tormod, the Desecrator
20%inclusion306 decks1.55K decks
19%synergy
Satyr Wayfinder
18%inclusion276 decks1.55K decks
16%synergy
Dauthi Voidwalker
17%inclusion271 decks1.55K decks
11%synergy
Millikin
16%inclusion254 decks1.55K decks
15%synergy
World Shaper
16%inclusion247 decks1.55K decks
13%synergy
Scute Swarm
16%inclusion246 decks1.55K decks
6%synergy
Diviner of Mist
15%inclusion228 decks1.55K decks
14%synergy
Aesi, Tyrant of Gyre Strait
14%inclusion222 decks1.55K decks
7%synergy
Bloodghast
14%inclusion220 decks1.55K decks
11%synergy
Lotuslight Dancers
14%inclusion210 decks1.54K decks
12%synergy
Warren Soultrader
13%inclusion203 decks1.55K decks
7%synergy
Lumra, Bellow of the Woods
12%inclusion194 decks1.55K decks
10%synergy
Underrealm Lich
12%inclusion185 decks1.55K decks
9%synergy
Overlord of the Balemurk
12%inclusion184 decks1.55K decks
10%synergy
Lord of Extinction
12%inclusion184 decks1.55K decks
10%synergy
Teval, the Balanced Scale
12%inclusion183 decks1.55K decks
9%synergy
Sylvan Safekeeper
12%inclusion183 decks1.55K decks
8%synergy
Tireless Provisioner
12%inclusion181 decks1.55K decks
1%synergy
Molt Tender
11%inclusion164 decks1.55K decks
10%synergy
Golgari Grave-Troll
11%inclusion164 decks1.55K decks
9%synergy
Tasigur, the Golden Fang
9.5%inclusion147 decks1.55K decks
8%synergy
Lotus Cobra
9.5%inclusion147 decks1.55K decks
2%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
65%inclusion1.02K decks1.55K decks
34%synergy
Tear Asunder
53%inclusion831 decks1.55K decks
46%synergy
Grapple with the Past
50%inclusion772 decks1.55K decks
48%synergy
Harrow
49%inclusion756 decks1.55K decks
39%synergy
Putrefy
41%inclusion635 decks1.55K decks
25%synergy
Lethal Scheme
40%inclusion626 decks1.55K decks
38%synergy
Counterspell
33%inclusion506 decks1.55K decks
-9%synergy
Beast Within
30%inclusion467 decks1.55K decks
-3%synergy
Grisly Salvage
28%inclusion436 decks1.55K decks
23%synergy
Entomb
26%inclusion399 decks1.55K decks
19%synergy
An Offer You Can't Refuse
23%inclusion356 decks1.55K decks
-3%synergy
Heroic Intervention
15%inclusion234 decks1.55K decks
-15%synergy
Deadly Rollick
13%inclusion197 decks1.55K decks
-2%synergy
Swan Song
12%inclusion186 decks1.55K decks
-6%synergy
Arcane Denial
12%inclusion179 decks1.55K decks
-9%synergy
Noxious Revival
10%inclusion163 decks1.55K decks
6%synergy
Dina's Guidance
9.4%inclusion28 decks297 decks
5%synergy
Forbidden Alchemy
8.7%inclusion136 decks1.55K decks
8%synergy
Auroral Procession
8.6%inclusion134 decks1.55K decks
6%synergy
Smuggler's Surprise
8.4%inclusion130 decks1.55K decks
6%synergy
Abrupt Decay
7.6%inclusion118 decks1.55K decks
-1%synergy
Mana Drain
7.6%inclusion118 decks1.55K decks
-7%synergy
Fell the Profane
7.2%inclusion112 decks1.55K decks
-2%synergy
Sink into Stupor
6.6%inclusion103 decks1.55K decks
-4%synergy
Cache Grab
6.4%inclusion99 decks1.55K decks
6%synergy
Pile On
6.2%inclusion97 decks1.55K decks
6%synergy
Frantic Search
6.2%inclusion96 decks1.55K decks
-9%synergy
Dark Ritual
5.3%inclusion83 decks1.55K decks
-20%synergy
Malakir Rebirth
5.1%inclusion80 decks1.55K decks
-3%synergy
Sorceries
Will of the Sultai
62%inclusion958 decks1.55K decks
60%synergy
Afterlife from the Loam
52%inclusion809 decks1.55K decks
51%synergy
Rampant Growth
44%inclusion688 decks1.55K decks
12%synergy
Welcome the Dead
40%inclusion623 decks1.55K decks
40%synergy
Cultivate
33%inclusion516 decks1.55K decks
-9%synergy
Nature's Lore
32%inclusion496 decks1.55K decks
0%synergy
Toxic Deluge
22%inclusion343 decks1.55K decks
4%synergy
Three Visits
22%inclusion339 decks1.55K decks
-2%synergy
Buried Alive
18%inclusion287 decks1.55K decks
12%synergy
Bala Ged Recovery
14%inclusion225 decks1.55K decks
7%synergy
Treasure Cruise
13%inclusion199 decks1.55K decks
8%synergy
Rise of the Dark Realms
11%inclusion178 decks1.55K decks
7%synergy
Demonic Tutor
10%inclusion156 decks1.55K decks
-9%synergy
Casualties of War
9.3%inclusion144 decks1.55K decks
5%synergy
Death Begets Life
8.7%inclusion135 decks1.55K decks
7%synergy
Necromantic Selection
7.9%inclusion123 decks1.55K decks
7%synergy
Culling Ritual
7.8%inclusion121 decks1.55K decks
-3%synergy
Stitch Together
6.8%inclusion105 decks1.55K decks
5%synergy
Breach the Multiverse
6.4%inclusion100 decks1.55K decks
3%synergy
Rise of the Witch-king
6.0%inclusion94 decks1.55K decks
2%synergy
Finale of Devastation
6.0%inclusion94 decks1.55K decks
-1%synergy
Blasphemous Edict
5.7%inclusion89 decks1.55K decks
0%synergy
Windfall
5.5%inclusion86 decks1.55K decks
-6%synergy
Nature's Rhythm
5.4%inclusion83 decks1.55K decks
1%synergy
Damnation
5.3%inclusion83 decks1.55K decks
-1%synergy
Diabolic Intent
5.3%inclusion83 decks1.55K decks
-2%synergy
Agadeem's Awakening
5.2%inclusion81 decks1.55K decks
2%synergy
Singularity Rupture
5.1%inclusion52 decks1.02K decks
1%synergy
Utility Artifacts
Hedge Shredder
65%inclusion1.01K decks1.55K decks
62%synergy
Lightning Greaves
39%inclusion602 decks1.55K decks
14%synergy
Phyrexian Altar
30%inclusion460 decks1.55K decks
26%synergy
Cauldron of Essence
27%inclusion79 decks297 decks
17%synergy
Mesmeric Orb
17%inclusion265 decks1.55K decks
16%synergy
Ashnod's Altar
12%inclusion192 decks1.55K decks
6%synergy
Crucible of Worlds
12%inclusion185 decks1.55K decks
10%synergy
Perpetual Timepiece
7.0%inclusion109 decks1.55K decks
6%synergy
Swiftfoot Boots
6.8%inclusion106 decks1.55K decks
-20%synergy
Essence Anchor
6.8%inclusion105 decks1.55K decks
6%synergy
Amulet of Vigor
5.8%inclusion90 decks1.55K decks
5%synergy
Zuran Orb
5.1%inclusion79 decks1.55K decks
3%synergy
Enchantments
Phyrexian Reclamation
57%inclusion893 decks1.55K decks
54%synergy
Tortured Existence
56%inclusion867 decks1.55K decks
54%synergy
Titans' Nest
34%inclusion524 decks1.55K decks
33%synergy
Animate Dead
33%inclusion520 decks1.55K decks
25%synergy
Awaken the Honored Dead
28%inclusion431 decks1.55K decks
24%synergy
Crawling Sensation
18%inclusion286 decks1.55K decks
17%synergy
Rhystic Study
12%inclusion188 decks1.55K decks
-11%synergy
Glacierwood Siege
10%inclusion150 decks1.55K decks
8%synergy
Exploration
8.7%inclusion136 decks1.55K decks
1%synergy
Oversold Cemetery
8.2%inclusion127 decks1.55K decks
6%synergy
Walk-In Closet // Forgotten Cellar
8.0%inclusion125 decks1.55K decks
6%synergy
Mystic Remora
7.7%inclusion120 decks1.55K decks
-8%synergy
Out of the Tombs
7.6%inclusion118 decks1.55K decks
7%synergy
Spelunking
7.1%inclusion111 decks1.55K decks
3%synergy
Chthonian Nightmare
6.3%inclusion98 decks1.55K decks
5%synergy
Necromancy
5.9%inclusion91 decks1.55K decks
3%synergy
The Meathook Massacre
5.6%inclusion87 decks1.55K decks
1%synergy
Screams from Within
5.4%inclusion84 decks1.55K decks
5%synergy
Planeswalkers
Grist, the Hunger Tide
6.0%inclusion93 decks1.55K decks
2%synergy
Artifacts
Sol Ring
87%inclusion1.35K decks1.55K decks
3%synergy
Arcane Signet
76%inclusion1.19K decks1.55K decks
5%synergy
Hedge Shredder
65%inclusion1.01K decks1.55K decks
62%synergy
Lightning Greaves
39%inclusion602 decks1.55K decks
14%synergy
Phyrexian Altar
30%inclusion460 decks1.55K decks
26%synergy
Cauldron of Essence
27%inclusion79 decks297 decks
17%synergy
Mesmeric Orb
17%inclusion265 decks1.55K decks
16%synergy
Ashnod's Altar
12%inclusion192 decks1.55K decks
6%synergy
Crucible of Worlds
12%inclusion185 decks1.55K decks
10%synergy
Perpetual Timepiece
7.0%inclusion109 decks1.55K decks
6%synergy
Swiftfoot Boots
6.8%inclusion106 decks1.55K decks
-20%synergy
Essence Anchor
6.8%inclusion105 decks1.55K decks
6%synergy
Amulet of Vigor
5.8%inclusion90 decks1.55K decks
5%synergy
The Soul Stone
5.8%inclusion55 decks956 decks
1%synergy
Talisman of Resilience
5.3%inclusion83 decks1.55K decks
-7%synergy
Fellwar Stone
5.3%inclusion83 decks1.55K decks
-15%synergy
Zuran Orb
5.1%inclusion79 decks1.55K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion937 decks1.55K decks
55%synergy
Cephalid Coliseum
55%inclusion849 decks1.55K decks
51%synergy
Memorial to Folly
43%inclusion661 decks1.55K decks
41%synergy
Shifting Woodland
40%inclusion622 decks1.55K decks
33%synergy
Crypt of Agadeem
39%inclusion600 decks1.55K decks
37%synergy
Drownyard Temple
33%inclusion515 decks1.55K decks
32%synergy
Takenuma, Abandoned Mire
32%inclusion490 decks1.55K decks
23%synergy
Boseiju, Who Endures
30%inclusion465 decks1.55K decks
11%synergy
Dakmor Salvage
26%inclusion397 decks1.55K decks
23%synergy
Yavimaya, Cradle of Growth
25%inclusion390 decks1.55K decks
16%synergy
Bojuka Bog
24%inclusion375 decks1.55K decks
-6%synergy
Urborg, Tomb of Yawgmoth
23%inclusion354 decks1.55K decks
14%synergy
Otawara, Soaring City
17%inclusion265 decks1.55K decks
1%synergy
Phyrexian Tower
14%inclusion212 decks1.55K decks
4%synergy
Strip Mine
13%inclusion206 decks1.55K decks
11%synergy
Lotus Field
9.2%inclusion143 decks1.55K decks
8%synergy
Kishla Village
9.1%inclusion141 decks1.55K decks
8%synergy
Mistrise Village
9.1%inclusion141 decks1.55K decks
1%synergy
Reliquary Tower
7.7%inclusion120 decks1.55K decks
-22%synergy
Cabal Coffers
7.6%inclusion118 decks1.55K decks
-2%synergy
Ghost Quarter
5.9%inclusion92 decks1.55K decks
4%synergy
Mosswort Bridge
5.4%inclusion84 decks1.55K decks
-5%synergy
Mana Artifacts
Sol Ring
87%inclusion1.35K decks1.55K decks
3%synergy
Arcane Signet
76%inclusion1.19K decks1.55K decks
5%synergy
The Soul Stone
5.8%inclusion55 decks956 decks
1%synergy
Talisman of Resilience
5.3%inclusion83 decks1.55K decks
-7%synergy
Fellwar Stone
5.3%inclusion83 decks1.55K 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 decks1.55K decks
23%synergy
Woodland Cemetery
75%inclusion1.16K decks1.55K decks
41%synergy
Exotic Orchard
73%inclusion1.14K decks1.55K decks
36%synergy
Hinterland Harbor
71%inclusion1.11K decks1.55K decks
37%synergy
Dreamroot Cascade
70%inclusion1.08K decks1.55K decks
47%synergy
Overgrown Tomb
66%inclusion1.02K decks1.55K decks
24%synergy
Opulent Palace
66%inclusion1.02K decks1.55K decks
38%synergy
Breeding Pool
65%inclusion1.01K decks1.55K decks
23%synergy
Watery Grave
64%inclusion1K decks1.55K decks
22%synergy
Llanowar Wastes
59%inclusion916 decks1.55K decks
31%synergy
Polluted Delta
56%inclusion867 decks1.55K decks
44%synergy
Zagoth Triome
54%inclusion845 decks1.55K decks
28%synergy
Verdant Catacombs
53%inclusion830 decks1.55K decks
43%synergy
Misty Rainforest
52%inclusion814 decks1.55K decks
41%synergy
Sunken Hollow
52%inclusion814 decks1.55K decks
19%synergy
Foreboding Landscape
51%inclusion800 decks1.55K decks
43%synergy
Terramorphic Expanse
40%inclusion617 decks1.55K decks
25%synergy
Golgari Rot Farm
39%inclusion602 decks1.55K decks
22%synergy
Underground Mortuary
38%inclusion586 decks1.55K decks
25%synergy
Undergrowth Stadium
36%inclusion559 decks1.55K decks
12%synergy
Hedge Maze
36%inclusion555 decks1.55K decks
25%synergy
Rejuvenating Springs
35%inclusion541 decks1.55K decks
9%synergy
Undercity Sewers
32%inclusion490 decks1.55K decks
20%synergy
Fetid Pools
28%inclusion438 decks1.55K decks
21%synergy
Darkwater Catacombs
25%inclusion392 decks1.55K decks
11%synergy
Morphic Pool
25%inclusion381 decks1.55K decks
1%synergy
Fabled Passage
24%inclusion370 decks1.55K decks
13%synergy
Myriad Landscape
22%inclusion341 decks1.55K decks
7%synergy
Drowned Catacomb
21%inclusion320 decks1.55K decks
-9%synergy
Temple of Malady
18%inclusion276 decks1.55K decks
2%synergy
Yavimaya Coast
18%inclusion276 decks1.55K decks
-9%synergy
Deathcap Glade
18%inclusion274 decks1.55K decks
3%synergy
Haunted Mire
15%inclusion236 decks1.55K decks
9%synergy
Shipwreck Marsh
15%inclusion231 decks1.55K decks
-3%synergy
Evolving Wilds
14%inclusion214 decks1.55K decks
-6%synergy
Underground River
13%inclusion199 decks1.55K decks
-10%synergy
Windswept Heath
11%inclusion178 decks1.55K decks
0%synergy
Bayou
11%inclusion168 decks1.55K decks
-3%synergy
Underground Sea
10%inclusion163 decks1.55K decks
-4%synergy
Tropical Island
10%inclusion161 decks1.55K decks
-4%synergy
Wooded Foothills
10%inclusion160 decks1.55K decks
-1%synergy
Bloodstained Mire
10%inclusion157 decks1.55K decks
-1%synergy
Contaminated Aquifer
10%inclusion151 decks1.55K decks
7%synergy
Flooded Strand
10%inclusion148 decks1.55K decks
-2%synergy
Simic Growth Chamber
10%inclusion148 decks1.55K decks
-7%synergy
Wastewood Verge
9.4%inclusion146 decks1.55K decks
2%synergy