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%inclusion956 decks23.2K decks
Kotis, Sibsig Champion
9.2%inclusion74 decks803 decks
Sidisi, Brood Tyrant
1.4%inclusion53 decks3.81K decks
Muldrotha, the Gravetide
0.3%inclusion31 decks12.2K decks
Sin, Spira's Punishment
0.6%inclusion22 decks3.56K decks
Teval, Arbiter of Virtue
0.3%inclusion12 decks4.67K decks
The Master, Transcendent
0.2%inclusion3 decks1.82K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.09K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks13.4K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.50K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.6%inclusion1 decks173 decks
The Wise Mothman
0.0%inclusion1 decks14.5K decks
Ravos, Soultender // Thrasios, Triton Hero
0.4%inclusion1 decks242 decks
The Mimeoplasm
0.0%inclusion1 decks3.18K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks11.2K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.6%inclusion1 decks169 decks
Terra, Magical Adept
0.0%inclusion1 decks12.3K decks
New Cards
Ba Sing Se
3.3%inclusion9 decks276 decks
-2%synergy
Beifong's Bounty Hunters
3.2%inclusion9 decks283 decks
1%synergy
Avatar Destiny
2.8%inclusion8 decks281 decks
2%synergy
Agna Qel'a
2.2%inclusion6 decks276 decks
-1%synergy
Badgermole Cub
1.7%inclusion5 decks300 decks
-4%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.01K decks1.16K decks
82%synergy
Teval's Judgment
82%inclusion956 decks1.16K decks
80%synergy
Colossal Grave-Reaver
85%inclusion980 decks1.16K decks
79%synergy
Hedron Crab
79%inclusion924 decks1.16K decks
78%synergy
Six
80%inclusion925 decks1.16K decks
74%synergy
Gravecrawler
76%inclusion886 decks1.16K decks
72%synergy
Ripples of Undeath
77%inclusion890 decks1.16K decks
72%synergy
Muldrotha, the Gravetide
77%inclusion896 decks1.16K decks
69%synergy
Stitcher's Supplier
72%inclusion843 decks1.16K decks
69%synergy
Wonder
72%inclusion832 decks1.16K decks
68%synergy
Top Cards
Victimize
80%inclusion929 decks1.16K decks
68%synergy
Living Death
73%inclusion847 decks1.16K decks
68%synergy
Insidious Roots
71%inclusion827 decks1.16K decks
65%synergy
Kheru Goldkeeper
70%inclusion810 decks1.15K decks
66%synergy
Reanimate
70%inclusion818 decks1.16K decks
51%synergy
Farseek
68%inclusion794 decks1.16K decks
32%synergy
Skull Prophet
68%inclusion787 decks1.16K decks
62%synergy
Sidisi, Brood Tyrant
67%inclusion785 decks1.16K decks
64%synergy
Conduit of Worlds
67%inclusion784 decks1.16K decks
62%synergy
Dread Return
66%inclusion772 decks1.16K decks
61%synergy
Game Changers
Field of the Dead
45%inclusion519 decks1.16K decks
42%synergy
Crop Rotation
30%inclusion346 decks1.16K decks
20%synergy
Cyclonic Rift
17%inclusion200 decks1.16K decks
-6%synergy
Fierce Guardianship
11%inclusion130 decks1.16K decks
-7%synergy
Vampiric Tutor
8.1%inclusion94 decks1.16K decks
-7%synergy
Gifts Ungiven
7.2%inclusion84 decks1.16K decks
6%synergy
Glacial Chasm
6.1%inclusion71 decks1.16K decks
5%synergy
Gaea's Cradle
5.2%inclusion60 decks1.16K decks
-1%synergy
Worldly Tutor
5.2%inclusion60 decks1.16K decks
-7%synergy
Thassa's Oracle
5.1%inclusion59 decks1.16K decks
-1%synergy
Creatures
Sakura-Tribe Elder
65%inclusion753 decks1.16K decks
48%synergy
The Gitrog Monster
64%inclusion748 decks1.16K decks
57%synergy
Kishla Skimmer
63%inclusion731 decks1.16K decks
61%synergy
Timeless Witness
61%inclusion704 decks1.16K decks
58%synergy
Syr Konrad, the Grim
60%inclusion700 decks1.16K decks
52%synergy
Meren of Clan Nel Toth
59%inclusion687 decks1.16K decks
55%synergy
Aftermath Analyst
59%inclusion682 decks1.16K decks
54%synergy
River Kelpie
53%inclusion616 decks1.16K decks
52%synergy
The Scarab God
53%inclusion616 decks1.16K decks
50%synergy
Icetill Explorer
52%inclusion296 decks568 decks
45%synergy
Avenger of Zendikar
50%inclusion577 decks1.16K decks
41%synergy
Deathrite Shaman
49%inclusion570 decks1.16K decks
38%synergy
Nyx Weaver
48%inclusion554 decks1.16K decks
43%synergy
Steward of the Harvest
43%inclusion498 decks1.16K decks
42%synergy
Ob Nixilis, the Fallen
42%inclusion489 decks1.16K decks
40%synergy
Shigeki, Jukai Visionary
35%inclusion406 decks1.16K decks
33%synergy
Wight of the Reliquary
35%inclusion406 decks1.16K decks
29%synergy
Ramunap Excavator
34%inclusion401 decks1.16K decks
28%synergy
Tatyova, Benthic Druid
34%inclusion399 decks1.16K decks
22%synergy
Floral Evoker
34%inclusion389 decks1.16K decks
33%synergy
Lost Monarch of Ifnir
29%inclusion342 decks1.16K decks
28%synergy
Springbloom Druid
29%inclusion342 decks1.16K decks
25%synergy
Birds of Paradise
29%inclusion337 decks1.16K decks
1%synergy
Craterhoof Behemoth
26%inclusion304 decks1.16K decks
19%synergy
Jarad, Golgari Lich Lord
25%inclusion295 decks1.16K decks
22%synergy
Hermit Druid
25%inclusion289 decks1.16K decks
23%synergy
Uro, Titan of Nature's Wrath
23%inclusion272 decks1.16K decks
18%synergy
Tormod, the Desecrator
23%inclusion263 decks1.16K decks
22%synergy
Dauthi Voidwalker
19%inclusion219 decks1.16K decks
12%synergy
Diviner of Mist
17%inclusion194 decks1.16K decks
16%synergy
World Shaper
17%inclusion194 decks1.16K decks
14%synergy
Satyr Wayfinder
17%inclusion192 decks1.16K decks
14%synergy
Millikin
16%inclusion191 decks1.16K decks
15%synergy
Scute Swarm
16%inclusion187 decks1.16K decks
6%synergy
Lotuslight Dancers
15%inclusion174 decks1.15K decks
13%synergy
Bloodghast
15%inclusion172 decks1.16K decks
12%synergy
Aesi, Tyrant of Gyre Strait
15%inclusion171 decks1.16K decks
8%synergy
Warren Soultrader
13%inclusion157 decks1.16K decks
8%synergy
Underrealm Lich
13%inclusion156 decks1.16K decks
10%synergy
Teval, the Balanced Scale
13%inclusion150 decks1.16K decks
10%synergy
Lumra, Bellow of the Woods
12%inclusion141 decks1.16K decks
10%synergy
Sylvan Safekeeper
12%inclusion141 decks1.16K decks
8%synergy
Tireless Provisioner
12%inclusion139 decks1.16K decks
1%synergy
Overlord of the Balemurk
12%inclusion138 decks1.16K decks
10%synergy
Golgari Grave-Troll
12%inclusion134 decks1.16K decks
10%synergy
Lord of Extinction
11%inclusion132 decks1.16K decks
9%synergy
Molt Tender
11%inclusion130 decks1.16K decks
11%synergy
Tasigur, the Golden Fang
11%inclusion129 decks1.16K decks
10%synergy
Lotus Cobra
9.3%inclusion108 decks1.16K decks
1%synergy
Zulaport Cutthroat
9.1%inclusion106 decks1.16K decks
0%synergy
Instants
Assassin's Trophy
66%inclusion763 decks1.16K decks
35%synergy
Tear Asunder
51%inclusion598 decks1.16K decks
44%synergy
Grapple with the Past
49%inclusion575 decks1.16K decks
48%synergy
Harrow
48%inclusion561 decks1.16K decks
39%synergy
Putrefy
39%inclusion455 decks1.16K decks
23%synergy
Lethal Scheme
39%inclusion451 decks1.16K decks
37%synergy
Beast Within
33%inclusion384 decks1.16K decks
-2%synergy
Counterspell
30%inclusion346 decks1.16K decks
-12%synergy
Grisly Salvage
27%inclusion313 decks1.16K decks
21%synergy
Entomb
25%inclusion288 decks1.16K decks
18%synergy
An Offer You Can't Refuse
22%inclusion253 decks1.16K decks
-3%synergy
Heroic Intervention
15%inclusion174 decks1.16K decks
-15%synergy
Noxious Revival
12%inclusion139 decks1.16K decks
7%synergy
Arcane Denial
12%inclusion137 decks1.16K decks
-9%synergy
Deadly Rollick
12%inclusion134 decks1.16K decks
-2%synergy
Swan Song
11%inclusion128 decks1.16K decks
-7%synergy
Forbidden Alchemy
9.0%inclusion105 decks1.16K decks
8%synergy
Auroral Procession
9.0%inclusion105 decks1.16K decks
6%synergy
Smuggler's Surprise
8.8%inclusion102 decks1.16K decks
6%synergy
Mana Drain
8.3%inclusion97 decks1.16K decks
-6%synergy
Sink into Stupor
7.4%inclusion86 decks1.16K decks
-3%synergy
Abrupt Decay
7.3%inclusion85 decks1.16K decks
-2%synergy
Fell the Profane
7.2%inclusion84 decks1.16K decks
-2%synergy
Pile On
5.9%inclusion69 decks1.16K decks
5%synergy
Frantic Search
5.7%inclusion66 decks1.16K decks
-9%synergy
Dark Ritual
5.6%inclusion65 decks1.16K decks
-19%synergy
Cache Grab
5.5%inclusion64 decks1.16K decks
5%synergy
Negate
5.2%inclusion61 decks1.16K decks
-16%synergy
Sorceries
Will of the Sultai
62%inclusion722 decks1.16K decks
61%synergy
Afterlife from the Loam
55%inclusion633 decks1.16K decks
54%synergy
Rampant Growth
43%inclusion504 decks1.16K decks
10%synergy
Welcome the Dead
42%inclusion486 decks1.16K decks
41%synergy
Cultivate
34%inclusion392 decks1.16K decks
-9%synergy
Nature's Lore
33%inclusion383 decks1.16K decks
1%synergy
Toxic Deluge
23%inclusion265 decks1.16K decks
4%synergy
Three Visits
22%inclusion261 decks1.16K decks
-2%synergy
Buried Alive
17%inclusion203 decks1.16K decks
11%synergy
Bala Ged Recovery
15%inclusion172 decks1.16K decks
7%synergy
Treasure Cruise
14%inclusion161 decks1.16K decks
9%synergy
Rise of the Dark Realms
11%inclusion130 decks1.16K decks
7%synergy
Demonic Tutor
9.5%inclusion110 decks1.16K decks
-10%synergy
Casualties of War
9.4%inclusion109 decks1.16K decks
5%synergy
Death Begets Life
9.1%inclusion106 decks1.16K decks
7%synergy
Necromantic Selection
8.2%inclusion95 decks1.16K decks
7%synergy
Breach the Multiverse
7.9%inclusion92 decks1.16K decks
4%synergy
Culling Ritual
7.8%inclusion91 decks1.16K decks
-3%synergy
Rise of the Witch-king
6.8%inclusion79 decks1.16K decks
2%synergy
Finale of Devastation
6.5%inclusion76 decks1.16K decks
-1%synergy
Windfall
6.4%inclusion75 decks1.16K decks
-6%synergy
Blasphemous Edict
6.2%inclusion72 decks1.16K decks
0%synergy
Stitch Together
5.8%inclusion68 decks1.16K decks
4%synergy
Damnation
5.7%inclusion66 decks1.16K decks
-1%synergy
Nature's Rhythm
5.6%inclusion65 decks1.15K decks
2%synergy
Malevolent Rumble
5.2%inclusion61 decks1.16K decks
4%synergy
Kodama's Reach
5.2%inclusion60 decks1.16K decks
-22%synergy
Utility Artifacts
Hedge Shredder
65%inclusion753 decks1.16K decks
62%synergy
Lightning Greaves
38%inclusion446 decks1.16K decks
13%synergy
Phyrexian Altar
29%inclusion339 decks1.16K decks
26%synergy
Mesmeric Orb
18%inclusion207 decks1.16K decks
16%synergy
Crucible of Worlds
13%inclusion149 decks1.16K decks
10%synergy
Ashnod's Altar
12%inclusion141 decks1.16K decks
6%synergy
Essence Anchor
7.1%inclusion82 decks1.16K decks
7%synergy
Swiftfoot Boots
6.4%inclusion74 decks1.16K decks
-21%synergy
Perpetual Timepiece
6.3%inclusion73 decks1.16K decks
5%synergy
Amulet of Vigor
5.8%inclusion67 decks1.16K decks
5%synergy
Cursecloth Wrappings
5.2%inclusion60 decks1.16K decks
5%synergy
Enchantments
Phyrexian Reclamation
57%inclusion658 decks1.16K decks
53%synergy
Tortured Existence
53%inclusion615 decks1.16K decks
51%synergy
Titans' Nest
37%inclusion436 decks1.16K decks
36%synergy
Animate Dead
35%inclusion411 decks1.16K decks
26%synergy
Awaken the Honored Dead
27%inclusion314 decks1.16K decks
23%synergy
Crawling Sensation
19%inclusion216 decks1.16K decks
17%synergy
Rhystic Study
13%inclusion150 decks1.16K decks
-11%synergy
Glacierwood Siege
11%inclusion126 decks1.16K decks
9%synergy
Walk-In Closet // Forgotten Cellar
9.5%inclusion110 decks1.16K decks
7%synergy
Out of the Tombs
9.2%inclusion107 decks1.16K decks
8%synergy
Exploration
9.2%inclusion107 decks1.16K decks
1%synergy
Oversold Cemetery
8.9%inclusion104 decks1.16K decks
7%synergy
Spelunking
7.7%inclusion90 decks1.16K decks
3%synergy
Mystic Remora
7.2%inclusion84 decks1.16K decks
-9%synergy
Chthonian Nightmare
7.0%inclusion81 decks1.16K decks
5%synergy
Necromancy
5.9%inclusion69 decks1.16K decks
3%synergy
The Meathook Massacre
5.8%inclusion67 decks1.16K decks
1%synergy
Greater Good
5.4%inclusion63 decks1.16K decks
1%synergy
Screams from Within
5.2%inclusion61 decks1.16K decks
5%synergy
Planeswalkers
Grist, the Hunger Tide
6.8%inclusion79 decks1.16K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion703 decks1.16K decks
56%synergy
Cephalid Coliseum
54%inclusion631 decks1.16K decks
51%synergy
Shifting Woodland
43%inclusion498 decks1.16K decks
36%synergy
Memorial to Folly
41%inclusion478 decks1.16K decks
40%synergy
Crypt of Agadeem
38%inclusion443 decks1.16K decks
36%synergy
Takenuma, Abandoned Mire
33%inclusion387 decks1.16K decks
24%synergy
Drownyard Temple
32%inclusion372 decks1.16K decks
31%synergy
Boseiju, Who Endures
31%inclusion365 decks1.16K decks
12%synergy
Yavimaya, Cradle of Growth
27%inclusion319 decks1.16K decks
19%synergy
Urborg, Tomb of Yawgmoth
25%inclusion291 decks1.16K decks
16%synergy
Dakmor Salvage
25%inclusion289 decks1.16K decks
23%synergy
Bojuka Bog
22%inclusion257 decks1.16K decks
-8%synergy
Otawara, Soaring City
17%inclusion201 decks1.16K decks
1%synergy
Strip Mine
14%inclusion163 decks1.16K decks
11%synergy
Phyrexian Tower
14%inclusion162 decks1.16K decks
5%synergy
Mistrise Village
10%inclusion119 decks1.16K decks
2%synergy
Kishla Village
10%inclusion116 decks1.16K decks
9%synergy
Lotus Field
9.5%inclusion110 decks1.16K decks
8%synergy
Cabal Coffers
8.5%inclusion99 decks1.16K decks
-1%synergy
Reliquary Tower
7.9%inclusion92 decks1.16K decks
-22%synergy
Ghost Quarter
6.8%inclusion79 decks1.16K decks
5%synergy
Mana Artifacts
Sol Ring
88%inclusion1.02K decks1.16K decks
4%synergy
Arcane Signet
76%inclusion887 decks1.16K decks
4%synergy
Fellwar Stone
5.8%inclusion67 decks1.16K decks
-15%synergy
Talisman of Resilience
5.7%inclusion66 decks1.16K decks
-7%synergy
Lands
Command Tower
97%inclusion1.13K decks1.16K decks
23%synergy
Woodland Cemetery
74%inclusion859 decks1.16K decks
42%synergy
Exotic Orchard
73%inclusion847 decks1.16K decks
36%synergy
Hinterland Harbor
70%inclusion816 decks1.16K decks
37%synergy
Dreamroot Cascade
68%inclusion795 decks1.16K decks
47%synergy
Opulent Palace
65%inclusion752 decks1.16K decks
36%synergy
Breeding Pool
64%inclusion749 decks1.16K decks
23%synergy
Watery Grave
64%inclusion746 decks1.16K decks
23%synergy
Overgrown Tomb
64%inclusion743 decks1.16K decks
24%synergy
Llanowar Wastes
58%inclusion680 decks1.16K decks
32%synergy
Polluted Delta
57%inclusion661 decks1.16K decks
45%synergy
Zagoth Triome
56%inclusion653 decks1.16K decks
28%synergy
Verdant Catacombs
56%inclusion646 decks1.16K decks
45%synergy
Misty Rainforest
54%inclusion624 decks1.16K decks
42%synergy
Foreboding Landscape
52%inclusion608 decks1.16K decks
43%synergy
Sunken Hollow
51%inclusion598 decks1.16K decks
17%synergy
Underground Mortuary
41%inclusion480 decks1.16K decks
29%synergy
Terramorphic Expanse
39%inclusion454 decks1.16K decks
24%synergy
Hedge Maze
39%inclusion448 decks1.16K decks
27%synergy
Undergrowth Stadium
37%inclusion435 decks1.16K decks
14%synergy
Golgari Rot Farm
37%inclusion434 decks1.16K decks
20%synergy
Rejuvenating Springs
36%inclusion423 decks1.16K decks
9%synergy
Undercity Sewers
35%inclusion405 decks1.16K decks
24%synergy
Fetid Pools
27%inclusion317 decks1.16K decks
20%synergy
Morphic Pool
26%inclusion308 decks1.16K decks
2%synergy
Darkwater Catacombs
25%inclusion292 decks1.16K decks
10%synergy
Fabled Passage
23%inclusion264 decks1.16K decks
13%synergy
Myriad Landscape
21%inclusion250 decks1.16K decks
5%synergy
Drowned Catacomb
21%inclusion240 decks1.16K decks
-8%synergy
Temple of Malady
19%inclusion219 decks1.16K decks
3%synergy
Yavimaya Coast
17%inclusion199 decks1.16K decks
-10%synergy
Deathcap Glade
16%inclusion186 decks1.16K decks
3%synergy
Shipwreck Marsh
15%inclusion175 decks1.16K decks
-3%synergy
Haunted Mire
15%inclusion171 decks1.16K decks
8%synergy
Evolving Wilds
13%inclusion153 decks1.16K decks
-8%synergy
Underground River
12%inclusion145 decks1.16K decks
-10%synergy
Windswept Heath
12%inclusion135 decks1.16K decks
1%synergy
Bayou
11%inclusion129 decks1.16K decks
-2%synergy
Underground Sea
11%inclusion126 decks1.16K decks
-4%synergy
Tropical Island
11%inclusion123 decks1.16K decks
-4%synergy
Wooded Foothills
10%inclusion121 decks1.16K decks
0%synergy
Wastewood Verge
10%inclusion120 decks1.16K decks
3%synergy
Flooded Strand
10%inclusion120 decks1.16K decks
-1%synergy
Bloodstained Mire
10%inclusion119 decks1.16K decks
-1%synergy
Contaminated Aquifer
10%inclusion113 decks1.16K decks
7%synergy
Marsh Flats
10%inclusion112 decks1.16K decks
-1%synergy
Simic Growth Chamber
8.8%inclusion102 decks1.16K decks
-9%synergy
Dimir Aqueduct
8.3%inclusion97 decks1.16K decks
-6%synergy
Gloomlake Verge
7.7%inclusion90 decks1.16K decks
-1%synergy
Willowrush Verge
7.1%inclusion83 decks1.16K decks
0%synergy