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%inclusion931 decks22.6K decks
Kotis, Sibsig Champion
9.1%inclusion72 decks792 decks
Sidisi, Brood Tyrant
1.4%inclusion51 decks3.74K decks
Muldrotha, the Gravetide
0.3%inclusion31 decks12K decks
Sin, Spira's Punishment
0.6%inclusion21 decks3.49K decks
Teval, Arbiter of Virtue
0.3%inclusion12 decks4.61K decks
The Master, Transcendent
0.2%inclusion3 decks1.77K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.02K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks13.2K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.47K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.6%inclusion1 decks166 decks
Ravos, Soultender // Thrasios, Triton Hero
0.4%inclusion1 decks235 decks
The Wise Mothman
0.0%inclusion1 decks14.1K decks
The Mimeoplasm
0.0%inclusion1 decks3.09K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks11K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.6%inclusion1 decks169 decks
Terra, Magical Adept
0.0%inclusion1 decks12K decks
New Cards
Ba Sing Se
2.5%inclusion6 decks237 decks
-3%synergy
Agna Qel'a
2.1%inclusion5 decks237 decks
-1%synergy
Avatar Destiny
2.1%inclusion5 decks242 decks
1%synergy
Beifong's Bounty Hunters
2.0%inclusion5 decks245 decks
0%synergy
Badgermole Cub
1.5%inclusion4 decks265 decks
-4%synergy
High Synergy Cards
Life from the Loam
87%inclusion986 decks1.13K decks
83%synergy
Teval's Judgment
83%inclusion933 decks1.13K decks
80%synergy
Colossal Grave-Reaver
85%inclusion955 decks1.13K decks
79%synergy
Hedron Crab
79%inclusion900 decks1.13K decks
78%synergy
Six
80%inclusion906 decks1.13K decks
75%synergy
Gravecrawler
76%inclusion863 decks1.13K decks
72%synergy
Ripples of Undeath
77%inclusion873 decks1.13K decks
72%synergy
Muldrotha, the Gravetide
78%inclusion880 decks1.13K decks
69%synergy
Stitcher's Supplier
72%inclusion818 decks1.13K decks
68%synergy
Wonder
71%inclusion806 decks1.13K decks
68%synergy
Top Cards
Victimize
80%inclusion902 decks1.13K decks
67%synergy
Living Death
73%inclusion824 decks1.13K decks
67%synergy
Insidious Roots
71%inclusion808 decks1.13K decks
66%synergy
Kheru Goldkeeper
71%inclusion789 decks1.12K decks
66%synergy
Reanimate
70%inclusion793 decks1.13K decks
51%synergy
Sidisi, Brood Tyrant
68%inclusion770 decks1.13K decks
65%synergy
Farseek
68%inclusion770 decks1.13K decks
32%synergy
Skull Prophet
68%inclusion767 decks1.13K decks
62%synergy
Conduit of Worlds
67%inclusion762 decks1.13K decks
62%synergy
Dread Return
66%inclusion752 decks1.13K decks
61%synergy
Game Changers
Field of the Dead
45%inclusion508 decks1.13K decks
42%synergy
Crop Rotation
30%inclusion335 decks1.13K decks
20%synergy
Cyclonic Rift
17%inclusion193 decks1.13K decks
-6%synergy
Fierce Guardianship
11%inclusion128 decks1.13K decks
-7%synergy
Vampiric Tutor
8.1%inclusion92 decks1.13K decks
-7%synergy
Gifts Ungiven
7.0%inclusion79 decks1.13K decks
5%synergy
Glacial Chasm
5.9%inclusion67 decks1.13K decks
5%synergy
Gaea's Cradle
5.3%inclusion60 decks1.13K decks
-1%synergy
Worldly Tutor
5.3%inclusion60 decks1.13K decks
-7%synergy
Thassa's Oracle
5.0%inclusion57 decks1.13K decks
-1%synergy
Creatures
Sakura-Tribe Elder
65%inclusion735 decks1.13K decks
48%synergy
The Gitrog Monster
64%inclusion729 decks1.13K decks
57%synergy
Kishla Skimmer
63%inclusion714 decks1.13K decks
61%synergy
Timeless Witness
61%inclusion686 decks1.13K decks
58%synergy
Syr Konrad, the Grim
60%inclusion683 decks1.13K decks
52%synergy
Meren of Clan Nel Toth
59%inclusion669 decks1.13K decks
55%synergy
Aftermath Analyst
59%inclusion665 decks1.13K decks
55%synergy
The Scarab God
53%inclusion602 decks1.13K decks
50%synergy
River Kelpie
53%inclusion598 decks1.13K decks
52%synergy
Icetill Explorer
52%inclusion279 decks536 decks
45%synergy
Deathrite Shaman
50%inclusion562 decks1.13K decks
39%synergy
Avenger of Zendikar
50%inclusion561 decks1.13K decks
41%synergy
Nyx Weaver
48%inclusion541 decks1.13K decks
43%synergy
Steward of the Harvest
43%inclusion491 decks1.13K decks
43%synergy
Ob Nixilis, the Fallen
42%inclusion475 decks1.13K decks
40%synergy
Wight of the Reliquary
35%inclusion398 decks1.13K decks
29%synergy
Ramunap Excavator
35%inclusion396 decks1.13K decks
28%synergy
Tatyova, Benthic Druid
35%inclusion394 decks1.13K decks
22%synergy
Shigeki, Jukai Visionary
35%inclusion392 decks1.13K decks
32%synergy
Floral Evoker
34%inclusion387 decks1.13K decks
34%synergy
Lost Monarch of Ifnir
29%inclusion333 decks1.13K decks
28%synergy
Springbloom Druid
29%inclusion333 decks1.13K decks
25%synergy
Birds of Paradise
29%inclusion330 decks1.13K decks
2%synergy
Craterhoof Behemoth
26%inclusion293 decks1.13K decks
19%synergy
Jarad, Golgari Lich Lord
25%inclusion287 decks1.13K decks
22%synergy
Hermit Druid
25%inclusion280 decks1.13K decks
23%synergy
Uro, Titan of Nature's Wrath
23%inclusion264 decks1.13K decks
18%synergy
Tormod, the Desecrator
23%inclusion259 decks1.13K decks
22%synergy
Dauthi Voidwalker
19%inclusion210 decks1.13K decks
12%synergy
Diviner of Mist
17%inclusion195 decks1.13K decks
17%synergy
Satyr Wayfinder
17%inclusion188 decks1.13K decks
14%synergy
World Shaper
17%inclusion188 decks1.13K decks
14%synergy
Scute Swarm
16%inclusion185 decks1.13K decks
6%synergy
Millikin
16%inclusion181 decks1.13K decks
15%synergy
Lotuslight Dancers
15%inclusion173 decks1.12K decks
13%synergy
Aesi, Tyrant of Gyre Strait
14%inclusion164 decks1.13K decks
8%synergy
Bloodghast
14%inclusion162 decks1.13K decks
12%synergy
Underrealm Lich
14%inclusion157 decks1.13K decks
11%synergy
Warren Soultrader
14%inclusion153 decks1.13K decks
8%synergy
Teval, the Balanced Scale
13%inclusion147 decks1.13K decks
11%synergy
Lumra, Bellow of the Woods
12%inclusion139 decks1.13K decks
10%synergy
Sylvan Safekeeper
12%inclusion137 decks1.13K decks
8%synergy
Overlord of the Balemurk
12%inclusion135 decks1.13K decks
10%synergy
Tireless Provisioner
12%inclusion133 decks1.13K decks
1%synergy
Golgari Grave-Troll
12%inclusion132 decks1.13K decks
10%synergy
Molt Tender
11%inclusion129 decks1.13K decks
11%synergy
Lord of Extinction
11%inclusion125 decks1.13K decks
9%synergy
Tasigur, the Golden Fang
11%inclusion123 decks1.13K decks
10%synergy
Lotus Cobra
9.0%inclusion102 decks1.13K decks
1%synergy
Zulaport Cutthroat
9.0%inclusion102 decks1.13K decks
0%synergy
Instants
Assassin's Trophy
66%inclusion746 decks1.13K decks
36%synergy
Tear Asunder
51%inclusion578 decks1.13K decks
44%synergy
Grapple with the Past
50%inclusion561 decks1.13K decks
48%synergy
Harrow
48%inclusion544 decks1.13K decks
39%synergy
Lethal Scheme
39%inclusion444 decks1.13K decks
37%synergy
Putrefy
39%inclusion444 decks1.13K decks
23%synergy
Beast Within
34%inclusion380 decks1.13K decks
-1%synergy
Counterspell
29%inclusion334 decks1.13K decks
-12%synergy
Grisly Salvage
27%inclusion303 decks1.13K decks
21%synergy
Entomb
25%inclusion280 decks1.13K decks
18%synergy
An Offer You Can't Refuse
22%inclusion249 decks1.13K decks
-2%synergy
Heroic Intervention
15%inclusion170 decks1.13K decks
-15%synergy
Noxious Revival
12%inclusion135 decks1.13K decks
7%synergy
Arcane Denial
12%inclusion133 decks1.13K decks
-9%synergy
Deadly Rollick
11%inclusion130 decks1.13K decks
-2%synergy
Swan Song
11%inclusion124 decks1.13K decks
-6%synergy
Forbidden Alchemy
9.1%inclusion103 decks1.13K decks
8%synergy
Auroral Procession
9.1%inclusion103 decks1.13K decks
7%synergy
Smuggler's Surprise
8.9%inclusion101 decks1.13K decks
7%synergy
Mana Drain
8.3%inclusion94 decks1.13K decks
-6%synergy
Abrupt Decay
7.3%inclusion83 decks1.13K decks
-2%synergy
Sink into Stupor
7.1%inclusion81 decks1.13K decks
-3%synergy
Fell the Profane
7.1%inclusion80 decks1.13K decks
-2%synergy
Pile On
6.0%inclusion68 decks1.13K decks
5%synergy
Dark Ritual
5.7%inclusion65 decks1.13K decks
-18%synergy
Cache Grab
5.6%inclusion64 decks1.13K decks
5%synergy
Frantic Search
5.6%inclusion64 decks1.13K decks
-9%synergy
Negate
5.1%inclusion58 decks1.13K decks
-16%synergy
Sorceries
Will of the Sultai
63%inclusion706 decks1.13K decks
61%synergy
Afterlife from the Loam
55%inclusion621 decks1.13K decks
54%synergy
Rampant Growth
43%inclusion490 decks1.13K decks
10%synergy
Welcome the Dead
42%inclusion475 decks1.13K decks
41%synergy
Cultivate
34%inclusion381 decks1.13K decks
-9%synergy
Nature's Lore
33%inclusion375 decks1.13K decks
2%synergy
Toxic Deluge
23%inclusion260 decks1.13K decks
5%synergy
Three Visits
22%inclusion253 decks1.13K decks
-2%synergy
Buried Alive
17%inclusion197 decks1.13K decks
11%synergy
Bala Ged Recovery
15%inclusion168 decks1.13K decks
7%synergy
Treasure Cruise
14%inclusion158 decks1.13K decks
9%synergy
Rise of the Dark Realms
11%inclusion126 decks1.13K decks
7%synergy
Demonic Tutor
10%inclusion108 decks1.13K decks
-10%synergy
Casualties of War
9.4%inclusion106 decks1.13K decks
5%synergy
Death Begets Life
9.2%inclusion104 decks1.13K decks
7%synergy
Necromantic Selection
8.5%inclusion96 decks1.13K decks
7%synergy
Breach the Multiverse
8.0%inclusion91 decks1.13K decks
4%synergy
Culling Ritual
7.9%inclusion89 decks1.13K decks
-3%synergy
Rise of the Witch-king
6.9%inclusion78 decks1.13K decks
2%synergy
Finale of Devastation
6.5%inclusion74 decks1.13K decks
-1%synergy
Windfall
6.4%inclusion73 decks1.13K decks
-6%synergy
Blasphemous Edict
6.2%inclusion70 decks1.13K decks
0%synergy
Stitch Together
5.8%inclusion66 decks1.13K decks
4%synergy
Nature's Rhythm
5.8%inclusion65 decks1.12K decks
2%synergy
Damnation
5.6%inclusion63 decks1.13K decks
-1%synergy
Malevolent Rumble
5.2%inclusion59 decks1.13K decks
4%synergy
Kodama's Reach
5.1%inclusion58 decks1.13K decks
-23%synergy
Utility Artifacts
Hedge Shredder
65%inclusion740 decks1.13K decks
62%synergy
Lightning Greaves
39%inclusion439 decks1.13K decks
14%synergy
Phyrexian Altar
29%inclusion330 decks1.13K decks
26%synergy
Mesmeric Orb
18%inclusion200 decks1.13K decks
16%synergy
Crucible of Worlds
13%inclusion147 decks1.13K decks
11%synergy
Ashnod's Altar
12%inclusion137 decks1.13K decks
6%synergy
Essence Anchor
7.0%inclusion79 decks1.13K decks
7%synergy
Perpetual Timepiece
6.4%inclusion72 decks1.13K decks
6%synergy
Swiftfoot Boots
6.4%inclusion72 decks1.13K decks
-21%synergy
Amulet of Vigor
5.7%inclusion65 decks1.13K decks
5%synergy
Cursecloth Wrappings
5.2%inclusion59 decks1.13K decks
5%synergy
Enchantments
Phyrexian Reclamation
56%inclusion640 decks1.13K decks
53%synergy
Tortured Existence
53%inclusion599 decks1.13K decks
51%synergy
Titans' Nest
38%inclusion428 decks1.13K decks
37%synergy
Animate Dead
35%inclusion401 decks1.13K decks
26%synergy
Awaken the Honored Dead
27%inclusion306 decks1.13K decks
23%synergy
Crawling Sensation
19%inclusion214 decks1.13K decks
18%synergy
Rhystic Study
12%inclusion140 decks1.13K decks
-12%synergy
Glacierwood Siege
11%inclusion124 decks1.13K decks
9%synergy
Walk-In Closet // Forgotten Cellar
10%inclusion109 decks1.13K decks
7%synergy
Exploration
9.4%inclusion107 decks1.13K decks
1%synergy
Out of the Tombs
9.4%inclusion106 decks1.13K decks
8%synergy
Oversold Cemetery
9.1%inclusion103 decks1.13K decks
7%synergy
Spelunking
7.9%inclusion89 decks1.13K decks
3%synergy
Mystic Remora
7.1%inclusion81 decks1.13K decks
-9%synergy
Chthonian Nightmare
6.9%inclusion78 decks1.13K decks
5%synergy
Necromancy
5.9%inclusion67 decks1.13K decks
3%synergy
The Meathook Massacre
5.7%inclusion65 decks1.13K decks
1%synergy
Greater Good
5.4%inclusion61 decks1.13K decks
1%synergy
Screams from Within
5.1%inclusion58 decks1.13K decks
5%synergy
Planeswalkers
Grist, the Hunger Tide
7.0%inclusion79 decks1.13K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion681 decks1.13K decks
55%synergy
Cephalid Coliseum
54%inclusion616 decks1.13K decks
51%synergy
Shifting Woodland
43%inclusion484 decks1.13K decks
36%synergy
Memorial to Folly
41%inclusion464 decks1.13K decks
40%synergy
Crypt of Agadeem
38%inclusion427 decks1.13K decks
36%synergy
Takenuma, Abandoned Mire
34%inclusion382 decks1.13K decks
25%synergy
Boseiju, Who Endures
32%inclusion360 decks1.13K decks
13%synergy
Drownyard Temple
32%inclusion359 decks1.13K decks
31%synergy
Yavimaya, Cradle of Growth
28%inclusion313 decks1.13K decks
19%synergy
Urborg, Tomb of Yawgmoth
25%inclusion286 decks1.13K decks
16%synergy
Dakmor Salvage
25%inclusion278 decks1.13K decks
22%synergy
Bojuka Bog
22%inclusion247 decks1.13K decks
-8%synergy
Otawara, Soaring City
17%inclusion197 decks1.13K decks
1%synergy
Strip Mine
14%inclusion159 decks1.13K decks
11%synergy
Phyrexian Tower
14%inclusion156 decks1.13K decks
5%synergy
Mistrise Village
10%inclusion117 decks1.13K decks
2%synergy
Kishla Village
10%inclusion115 decks1.13K decks
9%synergy
Lotus Field
8.9%inclusion101 decks1.13K decks
7%synergy
Cabal Coffers
8.6%inclusion98 decks1.13K decks
-1%synergy
Reliquary Tower
7.9%inclusion90 decks1.13K decks
-22%synergy
Ghost Quarter
6.7%inclusion76 decks1.13K decks
5%synergy
Mana Artifacts
Sol Ring
88%inclusion994 decks1.13K decks
4%synergy
Arcane Signet
77%inclusion867 decks1.13K decks
4%synergy
Talisman of Resilience
5.9%inclusion67 decks1.13K decks
-7%synergy
Fellwar Stone
5.8%inclusion66 decks1.13K decks
-15%synergy
Talisman of Curiosity
5.1%inclusion58 decks1.13K decks
-8%synergy
Lands
Command Tower
97%inclusion1.10K decks1.13K decks
23%synergy
Woodland Cemetery
74%inclusion836 decks1.13K decks
42%synergy
Exotic Orchard
73%inclusion825 decks1.13K decks
36%synergy
Hinterland Harbor
70%inclusion793 decks1.13K decks
37%synergy
Dreamroot Cascade
68%inclusion769 decks1.13K decks
47%synergy
Opulent Palace
65%inclusion736 decks1.13K decks
37%synergy
Breeding Pool
64%inclusion727 decks1.13K decks
23%synergy
Overgrown Tomb
64%inclusion722 decks1.13K decks
23%synergy
Watery Grave
64%inclusion722 decks1.13K decks
23%synergy
Llanowar Wastes
58%inclusion661 decks1.13K decks
32%synergy
Polluted Delta
57%inclusion642 decks1.13K decks
45%synergy
Zagoth Triome
56%inclusion636 decks1.13K decks
28%synergy
Verdant Catacombs
56%inclusion630 decks1.13K decks
45%synergy
Misty Rainforest
54%inclusion608 decks1.13K decks
42%synergy
Foreboding Landscape
52%inclusion594 decks1.13K decks
43%synergy
Sunken Hollow
51%inclusion579 decks1.13K decks
17%synergy
Underground Mortuary
42%inclusion471 decks1.13K decks
29%synergy
Terramorphic Expanse
39%inclusion445 decks1.13K decks
24%synergy
Hedge Maze
39%inclusion439 decks1.13K decks
28%synergy
Undergrowth Stadium
37%inclusion424 decks1.13K decks
14%synergy
Golgari Rot Farm
37%inclusion423 decks1.13K decks
20%synergy
Rejuvenating Springs
37%inclusion415 decks1.13K decks
10%synergy
Undercity Sewers
35%inclusion399 decks1.13K decks
24%synergy
Fetid Pools
27%inclusion306 decks1.13K decks
20%synergy
Morphic Pool
26%inclusion300 decks1.13K decks
2%synergy
Darkwater Catacombs
25%inclusion282 decks1.13K decks
10%synergy
Fabled Passage
23%inclusion256 decks1.13K decks
13%synergy
Myriad Landscape
21%inclusion243 decks1.13K decks
5%synergy
Drowned Catacomb
21%inclusion233 decks1.13K decks
-8%synergy
Temple of Malady
18%inclusion209 decks1.13K decks
2%synergy
Yavimaya Coast
17%inclusion194 decks1.13K decks
-10%synergy
Deathcap Glade
16%inclusion182 decks1.13K decks
3%synergy
Shipwreck Marsh
15%inclusion170 decks1.13K decks
-3%synergy
Haunted Mire
14%inclusion164 decks1.13K decks
8%synergy
Evolving Wilds
14%inclusion153 decks1.13K decks
-7%synergy
Underground River
12%inclusion140 decks1.13K decks
-10%synergy
Windswept Heath
12%inclusion132 decks1.13K decks
1%synergy
Bayou
11%inclusion129 decks1.13K decks
-2%synergy
Underground Sea
11%inclusion126 decks1.13K decks
-3%synergy
Tropical Island
11%inclusion123 decks1.13K decks
-3%synergy
Wooded Foothills
11%inclusion120 decks1.13K decks
0%synergy
Wastewood Verge
11%inclusion119 decks1.13K decks
4%synergy
Bloodstained Mire
10%inclusion118 decks1.13K decks
-1%synergy
Flooded Strand
10%inclusion116 decks1.13K decks
-1%synergy
Marsh Flats
10%inclusion111 decks1.13K decks
-1%synergy
Contaminated Aquifer
10%inclusion110 decks1.13K decks
7%synergy
Simic Growth Chamber
8.8%inclusion100 decks1.13K decks
-9%synergy
Dimir Aqueduct
8.6%inclusion97 decks1.13K decks
-6%synergy
Gloomlake Verge
7.8%inclusion88 decks1.13K decks
-1%synergy
Willowrush Verge
7.2%inclusion82 decks1.13K decks
0%synergy