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%inclusion908 decks22.2K decks
Kotis, Sibsig Champion
8.8%inclusion69 decks782 decks
Sidisi, Brood Tyrant
1.4%inclusion50 decks3.69K decks
Muldrotha, the Gravetide
0.3%inclusion31 decks11.8K decks
Sin, Spira's Punishment
0.6%inclusion21 decks3.44K decks
Teval, Arbiter of Virtue
0.3%inclusion12 decks4.56K decks
The Master, Transcendent
0.2%inclusion3 decks1.74K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks2.97K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks13.1K decks
The Mimeoplasm
0.1%inclusion2 decks3.04K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.45K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.6%inclusion1 decks167 decks
The Wise Mothman
0.0%inclusion1 decks13.9K decks
Ravos, Soultender // Thrasios, Triton Hero
0.4%inclusion1 decks230 decks
Glarb, Calamity's Augur
0.0%inclusion1 decks10.8K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.6%inclusion1 decks170 decks
Terra, Magical Adept
0.0%inclusion1 decks11.8K decks
New Cards
Ba Sing Se
2.9%inclusion6 decks209 decks
-3%synergy
Agna Qel'a
2.4%inclusion5 decks209 decks
-1%synergy
Beifong's Bounty Hunters
2.3%inclusion5 decks217 decks
1%synergy
Avatar Destiny
1.9%inclusion4 decks214 decks
1%synergy
Badgermole Cub
1.7%inclusion4 decks237 decks
-4%synergy
High Synergy Cards
Life from the Loam
87%inclusion967 decks1.11K decks
83%synergy
Teval's Judgment
83%inclusion911 decks1.10K decks
80%synergy
Colossal Grave-Reaver
85%inclusion934 decks1.10K decks
79%synergy
Hedron Crab
79%inclusion877 decks1.11K decks
77%synergy
Six
80%inclusion888 decks1.11K decks
75%synergy
Gravecrawler
76%inclusion842 decks1.11K decks
72%synergy
Ripples of Undeath
77%inclusion851 decks1.11K decks
72%synergy
Muldrotha, the Gravetide
78%inclusion862 decks1.11K decks
70%synergy
Stitcher's Supplier
72%inclusion795 decks1.11K decks
68%synergy
Wonder
71%inclusion790 decks1.11K decks
68%synergy
Top Cards
Victimize
80%inclusion881 decks1.11K decks
67%synergy
Living Death
73%inclusion805 decks1.11K decks
67%synergy
Insidious Roots
71%inclusion787 decks1.11K decks
65%synergy
Kheru Goldkeeper
70%inclusion768 decks1.09K decks
65%synergy
Reanimate
70%inclusion774 decks1.11K decks
51%synergy
Farseek
68%inclusion753 decks1.11K decks
32%synergy
Sidisi, Brood Tyrant
68%inclusion751 decks1.11K decks
64%synergy
Conduit of Worlds
68%inclusion749 decks1.11K decks
62%synergy
Skull Prophet
67%inclusion746 decks1.11K decks
62%synergy
Dread Return
66%inclusion733 decks1.11K decks
61%synergy
Game Changers
Field of the Dead
45%inclusion500 decks1.11K decks
42%synergy
Crop Rotation
30%inclusion329 decks1.11K decks
20%synergy
Cyclonic Rift
17%inclusion191 decks1.11K decks
-6%synergy
Fierce Guardianship
11%inclusion127 decks1.11K decks
-6%synergy
Vampiric Tutor
8.3%inclusion92 decks1.11K decks
-7%synergy
Gifts Ungiven
7.2%inclusion80 decks1.11K decks
6%synergy
Glacial Chasm
6.1%inclusion67 decks1.11K decks
5%synergy
Gaea's Cradle
5.4%inclusion60 decks1.11K decks
0%synergy
Worldly Tutor
5.3%inclusion59 decks1.11K decks
-7%synergy
Thassa's Oracle
5.1%inclusion56 decks1.11K decks
-1%synergy
Creatures
Sakura-Tribe Elder
65%inclusion715 decks1.11K decks
48%synergy
The Gitrog Monster
64%inclusion711 decks1.11K decks
57%synergy
Kishla Skimmer
63%inclusion695 decks1.10K decks
61%synergy
Syr Konrad, the Grim
60%inclusion666 decks1.11K decks
52%synergy
Timeless Witness
60%inclusion664 decks1.11K decks
57%synergy
Meren of Clan Nel Toth
59%inclusion651 decks1.11K decks
55%synergy
Aftermath Analyst
58%inclusion647 decks1.11K decks
54%synergy
Icetill Explorer
53%inclusion270 decks509 decks
46%synergy
The Scarab God
53%inclusion587 decks1.11K decks
50%synergy
River Kelpie
53%inclusion585 decks1.11K decks
52%synergy
Deathrite Shaman
50%inclusion552 decks1.11K decks
39%synergy
Avenger of Zendikar
49%inclusion547 decks1.11K decks
41%synergy
Nyx Weaver
48%inclusion527 decks1.11K decks
43%synergy
Steward of the Harvest
43%inclusion479 decks1.10K decks
43%synergy
Ob Nixilis, the Fallen
42%inclusion461 decks1.11K decks
40%synergy
Wight of the Reliquary
35%inclusion391 decks1.11K decks
30%synergy
Ramunap Excavator
35%inclusion389 decks1.11K decks
29%synergy
Tatyova, Benthic Druid
35%inclusion387 decks1.11K decks
22%synergy
Floral Evoker
34%inclusion380 decks1.10K decks
34%synergy
Shigeki, Jukai Visionary
34%inclusion381 decks1.11K decks
32%synergy
Lost Monarch of Ifnir
30%inclusion328 decks1.11K decks
28%synergy
Birds of Paradise
29%inclusion322 decks1.11K decks
2%synergy
Springbloom Druid
29%inclusion320 decks1.11K decks
25%synergy
Craterhoof Behemoth
26%inclusion284 decks1.11K decks
19%synergy
Jarad, Golgari Lich Lord
25%inclusion278 decks1.11K decks
22%synergy
Hermit Druid
25%inclusion276 decks1.11K decks
23%synergy
Tormod, the Desecrator
23%inclusion258 decks1.11K decks
22%synergy
Uro, Titan of Nature's Wrath
23%inclusion258 decks1.11K decks
18%synergy
Dauthi Voidwalker
18%inclusion203 decks1.11K decks
12%synergy
Diviner of Mist
17%inclusion191 decks1.10K decks
17%synergy
World Shaper
17%inclusion183 decks1.11K decks
14%synergy
Satyr Wayfinder
16%inclusion180 decks1.11K decks
14%synergy
Millikin
16%inclusion179 decks1.11K decks
15%synergy
Scute Swarm
16%inclusion178 decks1.11K decks
6%synergy
Lotuslight Dancers
16%inclusion174 decks1.09K decks
14%synergy
Bloodghast
14%inclusion156 decks1.11K decks
11%synergy
Underrealm Lich
14%inclusion155 decks1.11K decks
11%synergy
Aesi, Tyrant of Gyre Strait
14%inclusion155 decks1.11K decks
7%synergy
Warren Soultrader
14%inclusion153 decks1.11K decks
8%synergy
Teval, the Balanced Scale
13%inclusion145 decks1.11K decks
11%synergy
Lumra, Bellow of the Woods
12%inclusion135 decks1.11K decks
10%synergy
Sylvan Safekeeper
12%inclusion134 decks1.11K decks
8%synergy
Overlord of the Balemurk
12%inclusion132 decks1.11K decks
10%synergy
Golgari Grave-Troll
12%inclusion130 decks1.11K decks
10%synergy
Tireless Provisioner
12%inclusion130 decks1.11K decks
1%synergy
Molt Tender
11%inclusion126 decks1.11K decks
11%synergy
Tasigur, the Golden Fang
11%inclusion120 decks1.11K decks
10%synergy
Lord of Extinction
11%inclusion120 decks1.11K decks
9%synergy
Lotus Cobra
8.9%inclusion98 decks1.11K decks
1%synergy
Junji, the Midnight Sky
8.7%inclusion96 decks1.11K decks
6%synergy
Instants
Assassin's Trophy
66%inclusion727 decks1.11K decks
36%synergy
Tear Asunder
51%inclusion562 decks1.11K decks
43%synergy
Grapple with the Past
49%inclusion545 decks1.11K decks
48%synergy
Harrow
48%inclusion531 decks1.11K decks
38%synergy
Putrefy
39%inclusion432 decks1.11K decks
23%synergy
Lethal Scheme
39%inclusion429 decks1.11K decks
37%synergy
Beast Within
34%inclusion376 decks1.11K decks
-1%synergy
Counterspell
30%inclusion329 decks1.11K decks
-12%synergy
Grisly Salvage
27%inclusion295 decks1.11K decks
21%synergy
Entomb
25%inclusion274 decks1.11K decks
18%synergy
An Offer You Can't Refuse
22%inclusion243 decks1.11K decks
-2%synergy
Heroic Intervention
15%inclusion171 decks1.11K decks
-15%synergy
Noxious Revival
12%inclusion133 decks1.11K decks
7%synergy
Deadly Rollick
12%inclusion130 decks1.11K decks
-2%synergy
Arcane Denial
12%inclusion128 decks1.11K decks
-9%synergy
Swan Song
11%inclusion121 decks1.11K decks
-6%synergy
Auroral Procession
9.2%inclusion102 decks1.11K decks
7%synergy
Forbidden Alchemy
9.0%inclusion100 decks1.11K decks
8%synergy
Smuggler's Surprise
8.9%inclusion98 decks1.11K decks
6%synergy
Mana Drain
8.5%inclusion94 decks1.11K decks
-6%synergy
Sink into Stupor
7.2%inclusion80 decks1.11K decks
-3%synergy
Fell the Profane
7.0%inclusion78 decks1.11K decks
-2%synergy
Abrupt Decay
6.8%inclusion75 decks1.11K decks
-3%synergy
Pile On
5.7%inclusion63 decks1.11K decks
5%synergy
Dark Ritual
5.7%inclusion63 decks1.11K decks
-19%synergy
Frantic Search
5.5%inclusion61 decks1.11K decks
-9%synergy
Cache Grab
5.3%inclusion59 decks1.11K decks
5%synergy
Negate
5.1%inclusion56 decks1.11K decks
-16%synergy
Sorceries
Will of the Sultai
63%inclusion690 decks1.10K decks
61%synergy
Afterlife from the Loam
55%inclusion604 decks1.10K decks
54%synergy
Rampant Growth
43%inclusion479 decks1.11K decks
10%synergy
Welcome the Dead
42%inclusion464 decks1.10K decks
41%synergy
Cultivate
34%inclusion372 decks1.11K decks
-9%synergy
Nature's Lore
33%inclusion366 decks1.11K decks
2%synergy
Toxic Deluge
23%inclusion250 decks1.11K decks
4%synergy
Three Visits
22%inclusion247 decks1.11K decks
-2%synergy
Buried Alive
17%inclusion191 decks1.11K decks
11%synergy
Bala Ged Recovery
15%inclusion166 decks1.11K decks
7%synergy
Treasure Cruise
14%inclusion155 decks1.11K decks
9%synergy
Rise of the Dark Realms
11%inclusion124 decks1.11K decks
7%synergy
Demonic Tutor
10%inclusion108 decks1.11K decks
-10%synergy
Death Begets Life
9.4%inclusion104 decks1.10K decks
7%synergy
Casualties of War
9.2%inclusion102 decks1.11K decks
5%synergy
Necromantic Selection
8.6%inclusion95 decks1.11K decks
8%synergy
Breach the Multiverse
8.0%inclusion89 decks1.11K decks
4%synergy
Culling Ritual
8.0%inclusion89 decks1.11K decks
-3%synergy
Rise of the Witch-king
7.0%inclusion78 decks1.11K decks
2%synergy
Windfall
6.6%inclusion73 decks1.11K decks
-5%synergy
Finale of Devastation
6.4%inclusion71 decks1.11K decks
-1%synergy
Blasphemous Edict
6.1%inclusion68 decks1.11K decks
0%synergy
Stitch Together
5.9%inclusion65 decks1.11K decks
4%synergy
Nature's Rhythm
5.7%inclusion63 decks1.10K decks
2%synergy
Damnation
5.2%inclusion58 decks1.11K decks
-1%synergy
Lich-Knights' Conquest
5.1%inclusion57 decks1.11K decks
3%synergy
Kodama's Reach
5.1%inclusion57 decks1.11K decks
-23%synergy
Malevolent Rumble
5.1%inclusion56 decks1.11K decks
4%synergy
Utility Artifacts
Hedge Shredder
65%inclusion723 decks1.11K decks
62%synergy
Lightning Greaves
39%inclusion433 decks1.11K decks
14%synergy
Phyrexian Altar
29%inclusion325 decks1.11K decks
26%synergy
Mesmeric Orb
18%inclusion198 decks1.11K decks
16%synergy
Crucible of Worlds
13%inclusion145 decks1.11K decks
11%synergy
Ashnod's Altar
12%inclusion133 decks1.11K decks
5%synergy
Essence Anchor
6.8%inclusion75 decks1.10K decks
6%synergy
Perpetual Timepiece
6.4%inclusion71 decks1.11K decks
6%synergy
Swiftfoot Boots
6.4%inclusion71 decks1.11K decks
-21%synergy
Amulet of Vigor
5.8%inclusion64 decks1.11K decks
5%synergy
Cursecloth Wrappings
5.1%inclusion56 decks1.11K decks
5%synergy
Enchantments
Phyrexian Reclamation
57%inclusion629 decks1.11K decks
54%synergy
Tortured Existence
53%inclusion584 decks1.11K decks
51%synergy
Titans' Nest
38%inclusion418 decks1.11K decks
37%synergy
Animate Dead
36%inclusion395 decks1.11K decks
27%synergy
Awaken the Honored Dead
27%inclusion300 decks1.11K decks
23%synergy
Crawling Sensation
19%inclusion209 decks1.11K decks
18%synergy
Rhystic Study
12%inclusion137 decks1.11K decks
-12%synergy
Glacierwood Siege
11%inclusion122 decks1.10K decks
9%synergy
Out of the Tombs
10%inclusion106 decks1.11K decks
8%synergy
Walk-In Closet // Forgotten Cellar
10%inclusion106 decks1.11K decks
7%synergy
Exploration
10%inclusion106 decks1.11K decks
1%synergy
Oversold Cemetery
9.2%inclusion102 decks1.11K decks
7%synergy
Spelunking
7.9%inclusion88 decks1.11K decks
4%synergy
Mystic Remora
7.3%inclusion81 decks1.11K decks
-9%synergy
Chthonian Nightmare
7.1%inclusion79 decks1.11K decks
6%synergy
Necromancy
6.1%inclusion68 decks1.11K decks
3%synergy
The Meathook Massacre
5.9%inclusion65 decks1.11K decks
1%synergy
Greater Good
5.5%inclusion61 decks1.11K decks
1%synergy
Screams from Within
5.1%inclusion57 decks1.11K decks
5%synergy
Planeswalkers
Grist, the Hunger Tide
7.1%inclusion79 decks1.11K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion665 decks1.11K decks
55%synergy
Cephalid Coliseum
54%inclusion601 decks1.11K decks
51%synergy
Shifting Woodland
43%inclusion477 decks1.11K decks
36%synergy
Memorial to Folly
41%inclusion449 decks1.11K decks
39%synergy
Crypt of Agadeem
37%inclusion411 decks1.11K decks
35%synergy
Takenuma, Abandoned Mire
34%inclusion373 decks1.11K decks
25%synergy
Boseiju, Who Endures
32%inclusion352 decks1.11K decks
13%synergy
Drownyard Temple
31%inclusion347 decks1.11K decks
31%synergy
Yavimaya, Cradle of Growth
28%inclusion305 decks1.11K decks
19%synergy
Urborg, Tomb of Yawgmoth
25%inclusion281 decks1.11K decks
16%synergy
Dakmor Salvage
25%inclusion275 decks1.11K decks
23%synergy
Bojuka Bog
22%inclusion239 decks1.11K decks
-8%synergy
Otawara, Soaring City
17%inclusion193 decks1.11K decks
1%synergy
Strip Mine
14%inclusion156 decks1.11K decks
11%synergy
Phyrexian Tower
13%inclusion149 decks1.11K decks
5%synergy
Mistrise Village
11%inclusion117 decks1.11K decks
3%synergy
Kishla Village
10%inclusion116 decks1.11K decks
9%synergy
Lotus Field
9.0%inclusion100 decks1.11K decks
8%synergy
Cabal Coffers
8.8%inclusion97 decks1.11K decks
-1%synergy
Reliquary Tower
8.3%inclusion92 decks1.11K decks
-22%synergy
Ghost Quarter
6.6%inclusion73 decks1.11K decks
5%synergy
Mana Artifacts
Sol Ring
88%inclusion974 decks1.11K decks
4%synergy
Arcane Signet
76%inclusion844 decks1.11K decks
4%synergy
Fellwar Stone
6.0%inclusion66 decks1.11K decks
-15%synergy
Talisman of Resilience
5.8%inclusion64 decks1.11K decks
-7%synergy
Talisman of Curiosity
5.1%inclusion56 decks1.11K decks
-8%synergy
Talisman of Dominance
5.1%inclusion56 decks1.11K decks
-28%synergy
Lands
Command Tower
97%inclusion1.08K decks1.11K decks
23%synergy
Woodland Cemetery
74%inclusion818 decks1.11K decks
43%synergy
Exotic Orchard
73%inclusion808 decks1.11K decks
37%synergy
Hinterland Harbor
70%inclusion778 decks1.11K decks
38%synergy
Dreamroot Cascade
68%inclusion753 decks1.11K decks
47%synergy
Opulent Palace
65%inclusion718 decks1.11K decks
37%synergy
Breeding Pool
64%inclusion711 decks1.11K decks
23%synergy
Watery Grave
64%inclusion709 decks1.11K decks
23%synergy
Overgrown Tomb
64%inclusion705 decks1.11K decks
23%synergy
Llanowar Wastes
58%inclusion647 decks1.11K decks
32%synergy
Polluted Delta
57%inclusion630 decks1.11K decks
45%synergy
Zagoth Triome
56%inclusion625 decks1.11K decks
28%synergy
Verdant Catacombs
56%inclusion618 decks1.11K decks
45%synergy
Misty Rainforest
54%inclusion594 decks1.11K decks
42%synergy
Foreboding Landscape
52%inclusion581 decks1.11K decks
43%synergy
Sunken Hollow
52%inclusion571 decks1.11K decks
18%synergy
Underground Mortuary
41%inclusion459 decks1.11K decks
29%synergy
Terramorphic Expanse
39%inclusion436 decks1.11K decks
24%synergy
Hedge Maze
39%inclusion432 decks1.11K decks
28%synergy
Undergrowth Stadium
37%inclusion413 decks1.11K decks
14%synergy
Golgari Rot Farm
37%inclusion408 decks1.11K decks
20%synergy
Rejuvenating Springs
37%inclusion405 decks1.11K decks
10%synergy
Undercity Sewers
35%inclusion388 decks1.11K decks
24%synergy
Fetid Pools
27%inclusion296 decks1.11K decks
20%synergy
Morphic Pool
26%inclusion290 decks1.11K decks
2%synergy
Darkwater Catacombs
25%inclusion276 decks1.11K decks
10%synergy
Fabled Passage
22%inclusion248 decks1.11K decks
13%synergy
Myriad Landscape
21%inclusion234 decks1.11K decks
5%synergy
Drowned Catacomb
21%inclusion227 decks1.11K decks
-8%synergy
Temple of Malady
18%inclusion203 decks1.11K decks
2%synergy
Yavimaya Coast
17%inclusion191 decks1.11K decks
-10%synergy
Deathcap Glade
16%inclusion176 decks1.11K decks
3%synergy
Shipwreck Marsh
15%inclusion167 decks1.11K decks
-3%synergy
Haunted Mire
15%inclusion164 decks1.11K decks
8%synergy
Evolving Wilds
13%inclusion148 decks1.11K decks
-7%synergy
Windswept Heath
12%inclusion135 decks1.11K decks
1%synergy
Underground River
12%inclusion135 decks1.11K decks
-10%synergy
Bayou
12%inclusion128 decks1.11K decks
-2%synergy
Underground Sea
11%inclusion125 decks1.11K decks
-3%synergy
Tropical Island
11%inclusion122 decks1.11K decks
-3%synergy
Wooded Foothills
11%inclusion120 decks1.11K decks
0%synergy
Bloodstained Mire
11%inclusion118 decks1.11K decks
0%synergy
Flooded Strand
10%inclusion116 decks1.11K decks
-1%synergy
Wastewood Verge
10%inclusion115 decks1.11K decks
3%synergy
Marsh Flats
10%inclusion111 decks1.11K decks
-1%synergy
Contaminated Aquifer
10%inclusion109 decks1.11K decks
7%synergy
Simic Growth Chamber
8.8%inclusion97 decks1.11K decks
-9%synergy
Dimir Aqueduct
8.6%inclusion95 decks1.11K decks
-6%synergy
Gloomlake Verge
7.4%inclusion82 decks1.11K decks
-2%synergy
Willowrush Verge
7.0%inclusion78 decks1.11K decks
0%synergy