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
4.0%inclusion1.07K decks26.5K decks
Kotis, Sibsig Champion
8.9%inclusion79 decks889 decks
Sidisi, Brood Tyrant
1.4%inclusion59 decks4.31K decks
Muldrotha, the Gravetide
0.2%inclusion34 decks14K decks
Sin, Spira's Punishment
0.5%inclusion22 decks4.04K decks
Teval, Arbiter of Virtue
0.3%inclusion14 decks5.05K decks
The Master, Transcendent
0.1%inclusion3 decks2.18K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.49K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks14.8K decks
The Mimeoplasm
0.1%inclusion2 decks3.66K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.72K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.5%inclusion1 decks192 decks
The Wise Mothman
0.0%inclusion1 decks18K decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks296 decks
Atraxa, Grand Unifier
0.0%inclusion1 decks9.61K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks13K decks
Thrasios, Triton Hero // Tormod, the Desecrator
0.5%inclusion1 decks188 decks
Terra, Magical Adept
0.0%inclusion1 decks13.8K decks
New Cards
Twilight Diviner
9.3%inclusion23 decks247 decks
7%synergy
Midnight Tilling
4.0%inclusion10 decks252 decks
3%synergy
Lluwen, Imperfect Naturalist
3.6%inclusion9 decks250 decks
2%synergy
Sodden Verdure
2.8%inclusion7 decks252 decks
-4%synergy
Formidable Speaker
2.1%inclusion11 decks530 decks
-1%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.12K decks1.29K decks
82%synergy
Colossal Grave-Reaver
85%inclusion1.10K decks1.29K decks
80%synergy
Teval's Judgment
82%inclusion1.06K decks1.29K decks
80%synergy
Hedron Crab
80%inclusion1.04K decks1.29K decks
78%synergy
Six
79%inclusion1.02K decks1.29K decks
74%synergy
Gravecrawler
77%inclusion993 decks1.29K decks
73%synergy
Ripples of Undeath
77%inclusion991 decks1.29K decks
72%synergy
Wonder
72%inclusion934 decks1.29K decks
69%synergy
Stitcher's Supplier
72%inclusion938 decks1.29K decks
69%synergy
Living Death
73%inclusion951 decks1.29K decks
68%synergy
Top Cards
Victimize
81%inclusion1.04K decks1.29K decks
68%synergy
Muldrotha, the Gravetide
78%inclusion1.01K decks1.29K decks
68%synergy
Insidious Roots
71%inclusion918 decks1.29K decks
65%synergy
Reanimate
71%inclusion914 decks1.29K decks
52%synergy
Kheru Goldkeeper
70%inclusion899 decks1.28K decks
66%synergy
Farseek
68%inclusion884 decks1.29K decks
32%synergy
Skull Prophet
68%inclusion881 decks1.29K decks
63%synergy
Sidisi, Brood Tyrant
68%inclusion877 decks1.29K decks
64%synergy
Dread Return
68%inclusion876 decks1.29K decks
63%synergy
Conduit of Worlds
67%inclusion868 decks1.29K decks
61%synergy
Game Changers
Field of the Dead
44%inclusion570 decks1.29K decks
41%synergy
Crop Rotation
30%inclusion385 decks1.29K decks
20%synergy
Cyclonic Rift
17%inclusion217 decks1.29K decks
-5%synergy
Fierce Guardianship
11%inclusion145 decks1.29K decks
-6%synergy
Demonic Tutor
10%inclusion127 decks1.29K decks
-9%synergy
Vampiric Tutor
7.6%inclusion98 decks1.29K decks
-7%synergy
Gifts Ungiven
7.0%inclusion91 decks1.29K decks
5%synergy
Glacial Chasm
6.3%inclusion81 decks1.29K decks
5%synergy
Gaea's Cradle
5.3%inclusion68 decks1.29K decks
-1%synergy
Thassa's Oracle
5.1%inclusion66 decks1.29K decks
-1%synergy
Creatures
Sakura-Tribe Elder
66%inclusion850 decks1.29K decks
49%synergy
The Gitrog Monster
65%inclusion839 decks1.29K decks
58%synergy
Kishla Skimmer
63%inclusion817 decks1.29K decks
61%synergy
Timeless Witness
62%inclusion796 decks1.29K decks
59%synergy
Syr Konrad, the Grim
61%inclusion784 decks1.29K decks
52%synergy
Meren of Clan Nel Toth
60%inclusion782 decks1.29K decks
57%synergy
Aftermath Analyst
59%inclusion764 decks1.29K decks
55%synergy
Icetill Explorer
54%inclusion389 decks714 decks
48%synergy
River Kelpie
54%inclusion695 decks1.29K decks
53%synergy
The Scarab God
53%inclusion691 decks1.29K decks
50%synergy
Avenger of Zendikar
50%inclusion645 decks1.29K decks
41%synergy
Nyx Weaver
49%inclusion631 decks1.29K decks
44%synergy
Deathrite Shaman
48%inclusion619 decks1.29K decks
37%synergy
Ob Nixilis, the Fallen
43%inclusion558 decks1.29K decks
42%synergy
Steward of the Harvest
42%inclusion545 decks1.29K decks
42%synergy
Shigeki, Jukai Visionary
36%inclusion460 decks1.29K decks
33%synergy
Wight of the Reliquary
35%inclusion451 decks1.29K decks
29%synergy
Tatyova, Benthic Druid
34%inclusion441 decks1.29K decks
22%synergy
Ramunap Excavator
32%inclusion420 decks1.29K decks
26%synergy
Floral Evoker
32%inclusion415 decks1.29K decks
32%synergy
Springbloom Druid
30%inclusion388 decks1.29K decks
26%synergy
Lost Monarch of Ifnir
29%inclusion376 decks1.29K decks
28%synergy
Birds of Paradise
28%inclusion364 decks1.29K decks
1%synergy
Craterhoof Behemoth
26%inclusion342 decks1.29K decks
19%synergy
Jarad, Golgari Lich Lord
26%inclusion340 decks1.29K decks
23%synergy
Hermit Druid
24%inclusion315 decks1.29K decks
23%synergy
Uro, Titan of Nature's Wrath
22%inclusion286 decks1.29K decks
17%synergy
Tormod, the Desecrator
21%inclusion276 decks1.29K decks
20%synergy
Dauthi Voidwalker
18%inclusion235 decks1.29K decks
12%synergy
Satyr Wayfinder
17%inclusion219 decks1.29K decks
15%synergy
World Shaper
17%inclusion215 decks1.29K decks
14%synergy
Millikin
16%inclusion210 decks1.29K decks
15%synergy
Diviner of Mist
16%inclusion206 decks1.29K decks
16%synergy
Scute Swarm
16%inclusion206 decks1.29K decks
6%synergy
Bloodghast
15%inclusion189 decks1.29K decks
12%synergy
Aesi, Tyrant of Gyre Strait
15%inclusion189 decks1.29K decks
8%synergy
Lotuslight Dancers
14%inclusion182 decks1.28K decks
12%synergy
Warren Soultrader
13%inclusion172 decks1.29K decks
8%synergy
Underrealm Lich
13%inclusion163 decks1.29K decks
10%synergy
Lumra, Bellow of the Woods
12%inclusion160 decks1.29K decks
10%synergy
Sylvan Safekeeper
12%inclusion159 decks1.29K decks
8%synergy
Teval, the Balanced Scale
12%inclusion157 decks1.29K decks
10%synergy
Overlord of the Balemurk
12%inclusion156 decks1.29K decks
10%synergy
Tireless Provisioner
12%inclusion154 decks1.29K decks
1%synergy
Lord of Extinction
11%inclusion146 decks1.29K decks
9%synergy
Golgari Grave-Troll
11%inclusion143 decks1.29K decks
10%synergy
Molt Tender
11%inclusion136 decks1.29K decks
10%synergy
Tasigur, the Golden Fang
10%inclusion134 decks1.29K decks
9%synergy
Lotus Cobra
10%inclusion124 decks1.29K decks
2%synergy
Junji, the Midnight Sky
8.8%inclusion114 decks1.29K decks
6%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
66%inclusion856 decks1.29K decks
36%synergy
Tear Asunder
52%inclusion673 decks1.29K decks
44%synergy
Grapple with the Past
50%inclusion648 decks1.29K decks
48%synergy
Harrow
49%inclusion628 decks1.29K decks
39%synergy
Lethal Scheme
40%inclusion523 decks1.29K decks
38%synergy
Putrefy
40%inclusion519 decks1.29K decks
24%synergy
Beast Within
31%inclusion407 decks1.29K decks
-3%synergy
Counterspell
31%inclusion401 decks1.29K decks
-11%synergy
Grisly Salvage
27%inclusion354 decks1.29K decks
22%synergy
Entomb
25%inclusion325 decks1.29K decks
18%synergy
An Offer You Can't Refuse
21%inclusion278 decks1.29K decks
-3%synergy
Heroic Intervention
14%inclusion187 decks1.29K decks
-16%synergy
Deadly Rollick
12%inclusion152 decks1.29K decks
-2%synergy
Arcane Denial
12%inclusion150 decks1.29K decks
-9%synergy
Noxious Revival
11%inclusion143 decks1.29K decks
6%synergy
Swan Song
11%inclusion140 decks1.29K decks
-7%synergy
Forbidden Alchemy
9.3%inclusion120 decks1.29K decks
8%synergy
Smuggler's Surprise
8.7%inclusion112 decks1.29K decks
6%synergy
Auroral Procession
8.3%inclusion108 decks1.29K decks
6%synergy
Mana Drain
8.0%inclusion104 decks1.29K decks
-6%synergy
Fell the Profane
7.3%inclusion95 decks1.29K decks
-2%synergy
Abrupt Decay
7.3%inclusion94 decks1.29K decks
-2%synergy
Sink into Stupor
7.3%inclusion94 decks1.29K decks
-3%synergy
Pile On
6.7%inclusion87 decks1.29K decks
6%synergy
Cache Grab
6.3%inclusion82 decks1.29K decks
6%synergy
Frantic Search
5.9%inclusion76 decks1.29K decks
-9%synergy
Malakir Rebirth
5.3%inclusion69 decks1.29K decks
-3%synergy
Negate
5.3%inclusion68 decks1.29K decks
-16%synergy
Dark Ritual
5.3%inclusion68 decks1.29K decks
-19%synergy
Sorceries
Will of the Sultai
62%inclusion806 decks1.29K decks
61%synergy
Afterlife from the Loam
54%inclusion698 decks1.29K decks
53%synergy
Rampant Growth
44%inclusion571 decks1.29K decks
11%synergy
Welcome the Dead
42%inclusion541 decks1.29K decks
41%synergy
Cultivate
33%inclusion433 decks1.29K decks
-9%synergy
Nature's Lore
32%inclusion420 decks1.29K decks
1%synergy
Toxic Deluge
22%inclusion288 decks1.29K decks
4%synergy
Three Visits
22%inclusion282 decks1.29K decks
-2%synergy
Buried Alive
17%inclusion226 decks1.29K decks
11%synergy
Bala Ged Recovery
15%inclusion188 decks1.29K decks
7%synergy
Treasure Cruise
14%inclusion177 decks1.29K decks
9%synergy
Rise of the Dark Realms
11%inclusion146 decks1.29K decks
7%synergy
Casualties of War
9.2%inclusion119 decks1.29K decks
5%synergy
Death Begets Life
8.8%inclusion114 decks1.29K decks
7%synergy
Necromantic Selection
8.1%inclusion105 decks1.29K decks
7%synergy
Culling Ritual
7.7%inclusion99 decks1.29K decks
-3%synergy
Breach the Multiverse
7.3%inclusion95 decks1.29K decks
4%synergy
Finale of Devastation
6.3%inclusion82 decks1.29K decks
-1%synergy
Rise of the Witch-king
6.3%inclusion81 decks1.29K decks
2%synergy
Blasphemous Edict
6.1%inclusion79 decks1.29K decks
0%synergy
Windfall
6.1%inclusion79 decks1.29K decks
-6%synergy
Stitch Together
5.9%inclusion76 decks1.29K decks
4%synergy
Nature's Rhythm
5.4%inclusion69 decks1.28K decks
1%synergy
Malevolent Rumble
5.2%inclusion67 decks1.29K decks
4%synergy
Damnation
5.1%inclusion66 decks1.29K decks
-1%synergy
Utility Artifacts
Hedge Shredder
66%inclusion851 decks1.29K decks
63%synergy
Lightning Greaves
39%inclusion502 decks1.29K decks
14%synergy
Phyrexian Altar
29%inclusion372 decks1.29K decks
25%synergy
Mesmeric Orb
18%inclusion229 decks1.29K decks
16%synergy
Crucible of Worlds
12%inclusion160 decks1.29K decks
10%synergy
Ashnod's Altar
12%inclusion155 decks1.29K decks
6%synergy
Perpetual Timepiece
6.7%inclusion87 decks1.29K decks
6%synergy
Essence Anchor
6.7%inclusion86 decks1.29K decks
6%synergy
Amulet of Vigor
6.0%inclusion77 decks1.29K decks
5%synergy
Swiftfoot Boots
5.9%inclusion76 decks1.29K decks
-21%synergy
Enchantments
Phyrexian Reclamation
57%inclusion733 decks1.29K decks
53%synergy
Tortured Existence
54%inclusion697 decks1.29K decks
52%synergy
Titans' Nest
36%inclusion470 decks1.29K decks
35%synergy
Animate Dead
35%inclusion447 decks1.29K decks
26%synergy
Awaken the Honored Dead
28%inclusion365 decks1.29K decks
25%synergy
Crawling Sensation
19%inclusion247 decks1.29K decks
18%synergy
Rhystic Study
13%inclusion166 decks1.29K decks
-11%synergy
Glacierwood Siege
10%inclusion132 decks1.29K decks
8%synergy
Exploration
9.2%inclusion119 decks1.29K decks
1%synergy
Walk-In Closet // Forgotten Cellar
8.8%inclusion114 decks1.29K decks
7%synergy
Out of the Tombs
8.7%inclusion112 decks1.29K decks
8%synergy
Oversold Cemetery
8.3%inclusion108 decks1.29K decks
6%synergy
Spelunking
7.5%inclusion97 decks1.29K decks
3%synergy
Mystic Remora
7.3%inclusion95 decks1.29K decks
-9%synergy
Chthonian Nightmare
7.0%inclusion90 decks1.29K decks
5%synergy
Necromancy
5.4%inclusion70 decks1.29K decks
2%synergy
The Meathook Massacre
5.4%inclusion70 decks1.29K decks
0%synergy
Screams from Within
5.3%inclusion69 decks1.29K decks
5%synergy
Greater Good
5.2%inclusion67 decks1.29K decks
1%synergy
Planeswalkers
Grist, the Hunger Tide
6.4%inclusion83 decks1.29K decks
3%synergy
Utility Lands
Command Beacon
60%inclusion781 decks1.29K decks
55%synergy
Cephalid Coliseum
56%inclusion720 decks1.29K decks
52%synergy
Memorial to Folly
42%inclusion548 decks1.29K decks
41%synergy
Shifting Woodland
41%inclusion529 decks1.29K decks
34%synergy
Crypt of Agadeem
39%inclusion505 decks1.29K decks
37%synergy
Drownyard Temple
33%inclusion433 decks1.29K decks
33%synergy
Takenuma, Abandoned Mire
32%inclusion416 decks1.29K decks
24%synergy
Boseiju, Who Endures
31%inclusion397 decks1.29K decks
12%synergy
Yavimaya, Cradle of Growth
26%inclusion340 decks1.29K decks
17%synergy
Dakmor Salvage
24%inclusion317 decks1.29K decks
22%synergy
Urborg, Tomb of Yawgmoth
24%inclusion309 decks1.29K decks
15%synergy
Bojuka Bog
22%inclusion286 decks1.29K decks
-8%synergy
Otawara, Soaring City
17%inclusion217 decks1.29K decks
0%synergy
Strip Mine
14%inclusion181 decks1.29K decks
11%synergy
Phyrexian Tower
14%inclusion179 decks1.29K decks
5%synergy
Kishla Village
10%inclusion126 decks1.29K decks
9%synergy
Mistrise Village
10%inclusion124 decks1.29K decks
2%synergy
Lotus Field
9.0%inclusion117 decks1.29K decks
8%synergy
Cabal Coffers
8.0%inclusion104 decks1.29K decks
-1%synergy
Reliquary Tower
7.5%inclusion97 decks1.29K decks
-22%synergy
Ghost Quarter
6.2%inclusion80 decks1.29K decks
4%synergy
Mana Artifacts
Sol Ring
88%inclusion1.13K decks1.29K decks
4%synergy
Arcane Signet
77%inclusion995 decks1.29K decks
5%synergy
Talisman of Resilience
5.7%inclusion74 decks1.29K decks
-7%synergy
Fellwar Stone
5.7%inclusion74 decks1.29K decks
-15%synergy
Lands
Lush Portico
100%inclusion3 decks3 decks
91%synergy
Temple Garden
100%inclusion3 decks3 decks
61%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Godless Shrine
100%inclusion3 decks3 decks
59%synergy
Command Tower
97%inclusion1.25K decks1.29K decks
23%synergy
Woodland Cemetery
74%inclusion956 decks1.29K decks
42%synergy
Exotic Orchard
73%inclusion949 decks1.29K decks
37%synergy
Hinterland Harbor
70%inclusion911 decks1.29K decks
37%synergy
Dreamroot Cascade
69%inclusion888 decks1.29K decks
47%synergy
Opulent Palace
65%inclusion846 decks1.29K decks
37%synergy
Breeding Pool
65%inclusion837 decks1.29K decks
23%synergy
Overgrown Tomb
65%inclusion836 decks1.29K decks
24%synergy
Watery Grave
65%inclusion836 decks1.29K decks
23%synergy
Llanowar Wastes
60%inclusion772 decks1.29K decks
33%synergy
Polluted Delta
57%inclusion735 decks1.29K decks
45%synergy
Zagoth Triome
55%inclusion715 decks1.29K decks
28%synergy
Verdant Catacombs
54%inclusion704 decks1.29K decks
43%synergy
Misty Rainforest
53%inclusion688 decks1.29K decks
42%synergy
Foreboding Landscape
52%inclusion679 decks1.29K decks
44%synergy
Sunken Hollow
52%inclusion667 decks1.29K decks
18%synergy
Terramorphic Expanse
40%inclusion519 decks1.29K decks
25%synergy
Underground Mortuary
40%inclusion512 decks1.29K decks
27%synergy
Golgari Rot Farm
39%inclusion501 decks1.29K decks
22%synergy
Hedge Maze
37%inclusion477 decks1.29K decks
26%synergy
Undergrowth Stadium
36%inclusion471 decks1.29K decks
13%synergy
Rejuvenating Springs
35%inclusion455 decks1.29K decks
9%synergy
Undercity Sewers
33%inclusion427 decks1.29K decks
22%synergy
Fetid Pools
28%inclusion363 decks1.29K decks
21%synergy
Darkwater Catacombs
26%inclusion333 decks1.29K decks
11%synergy
Morphic Pool
25%inclusion329 decks1.29K decks
1%synergy
Fabled Passage
23%inclusion300 decks1.29K decks
14%synergy
Myriad Landscape
22%inclusion286 decks1.29K decks
6%synergy
Drowned Catacomb
20%inclusion261 decks1.29K decks
-9%synergy
Temple of Malady
19%inclusion241 decks1.29K decks
3%synergy
Yavimaya Coast
17%inclusion222 decks1.29K decks
-10%synergy
Deathcap Glade
16%inclusion205 decks1.29K decks
3%synergy
Haunted Mire
15%inclusion199 decks1.29K decks
9%synergy
Shipwreck Marsh
14%inclusion187 decks1.29K decks
-4%synergy
Evolving Wilds
14%inclusion175 decks1.29K decks
-7%synergy
Underground River
12%inclusion159 decks1.29K decks
-10%synergy
Windswept Heath
12%inclusion153 decks1.29K decks
1%synergy
Bayou
11%inclusion144 decks1.29K decks
-2%synergy
Underground Sea
11%inclusion138 decks1.29K decks
-4%synergy
Tropical Island
11%inclusion137 decks1.29K decks
-4%synergy
Wooded Foothills
10%inclusion135 decks1.29K decks
0%synergy
Flooded Strand
10%inclusion133 decks1.29K decks
-1%synergy
Bloodstained Mire
10%inclusion132 decks1.29K decks
-1%synergy
Contaminated Aquifer
10%inclusion129 decks1.29K decks
7%synergy
Wastewood Verge
10%inclusion128 decks1.29K decks
3%synergy
Simic Growth Chamber
10%inclusion126 decks1.29K decks
-8%synergy