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%inclusion1.22K decks30.5K decks
Kotis, Sibsig Champion
9.2%inclusion89 decks967 decks
Sidisi, Brood Tyrant
1.3%inclusion61 decks4.86K decks
Muldrotha, the Gravetide
0.3%inclusion41 decks16K decks
Sin, Spira's Punishment
0.5%inclusion22 decks4.63K decks
Teval, Arbiter of Virtue
0.3%inclusion14 decks5.49K decks
The Master, Transcendent
0.2%inclusion4 decks2.52K decks
Glarb, Calamity's Augur
0.0%inclusion3 decks15K decks
Tasigur, the Golden Fang
0.1%inclusion2 decks3.95K decks
The Wise Mothman
0.0%inclusion2 decks22.1K decks
Kotis, the Fangkeeper
0.0%inclusion2 decks16.4K decks
Mimeoplasm, Revered One
0.1%inclusion1 decks1.93K decks
Kydele, Chosen of Kruphix // Tevesh Szat, Doom of Fools
0.4%inclusion1 decks236 decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks337 decks
The Mimeoplasm
0.0%inclusion1 decks4.21K decks
Atraxa, Grand Unifier
0.0%inclusion1 decks11.1K decks
Terra, Magical Adept
0.0%inclusion1 decks15.5K decks
New Cards
Grave Researcher
18%inclusion31 decks171 decks
15%synergy
Cauldron of Essence
18%inclusion22 decks124 decks
10%synergy
Emeritus of Abundance
4.2%inclusion6 decks144 decks
3%synergy
Vastlands Scavenger
4.0%inclusion5 decks124 decks
3%synergy
Dina's Guidance
3.2%inclusion4 decks124 decks
0%synergy
High Synergy Cards
Life from the Loam
87%inclusion1.27K decks1.46K decks
82%synergy
Teval's Judgment
83%inclusion1.21K decks1.46K decks
81%synergy
Colossal Grave-Reaver
85%inclusion1.24K decks1.46K decks
80%synergy
Hedron Crab
81%inclusion1.18K decks1.46K decks
79%synergy
Six
80%inclusion1.17K decks1.46K decks
75%synergy
Gravecrawler
77%inclusion1.13K decks1.46K decks
73%synergy
Ripples of Undeath
77%inclusion1.13K decks1.46K decks
73%synergy
Stitcher's Supplier
73%inclusion1.07K decks1.46K decks
69%synergy
Victimize
82%inclusion1.19K decks1.46K decks
69%synergy
Wonder
73%inclusion1.06K decks1.46K decks
69%synergy
Top Cards
Muldrotha, the Gravetide
78%inclusion1.15K decks1.46K decks
68%synergy
Living Death
74%inclusion1.08K decks1.46K decks
69%synergy
Insidious Roots
72%inclusion1.05K decks1.46K decks
66%synergy
Kheru Goldkeeper
71%inclusion1.02K decks1.45K decks
66%synergy
Reanimate
71%inclusion1.03K decks1.46K decks
51%synergy
Sidisi, Brood Tyrant
69%inclusion1.01K decks1.46K decks
66%synergy
Skull Prophet
69%inclusion1K decks1.46K decks
63%synergy
Farseek
68%inclusion999 decks1.46K decks
33%synergy
Dread Return
68%inclusion994 decks1.46K decks
63%synergy
Conduit of Worlds
68%inclusion990 decks1.46K decks
62%synergy
Game Changers
Field of the Dead
44%inclusion639 decks1.46K decks
41%synergy
Crop Rotation
30%inclusion445 decks1.46K decks
21%synergy
Cyclonic Rift
16%inclusion236 decks1.46K decks
-5%synergy
Fierce Guardianship
11%inclusion167 decks1.46K decks
-6%synergy
Vampiric Tutor
7.7%inclusion112 decks1.46K decks
-7%synergy
Gifts Ungiven
6.9%inclusion101 decks1.46K decks
5%synergy
Glacial Chasm
6.1%inclusion89 decks1.46K decks
5%synergy
Worldly Tutor
5.3%inclusion78 decks1.46K decks
-6%synergy
Gaea's Cradle
5.3%inclusion77 decks1.46K decks
-1%synergy
Thassa's Oracle
5.1%inclusion74 decks1.46K decks
-1%synergy
Creatures
The Gitrog Monster
66%inclusion970 decks1.46K decks
59%synergy
Sakura-Tribe Elder
66%inclusion967 decks1.46K decks
50%synergy
Kishla Skimmer
63%inclusion920 decks1.46K decks
61%synergy
Timeless Witness
62%inclusion904 decks1.46K decks
59%synergy
Meren of Clan Nel Toth
61%inclusion895 decks1.46K decks
57%synergy
Syr Konrad, the Grim
61%inclusion888 decks1.46K decks
53%synergy
Aftermath Analyst
60%inclusion875 decks1.46K decks
55%synergy
Icetill Explorer
57%inclusion513 decks894 decks
51%synergy
River Kelpie
54%inclusion790 decks1.46K decks
53%synergy
The Scarab God
54%inclusion784 decks1.46K decks
50%synergy
Avenger of Zendikar
50%inclusion736 decks1.46K decks
42%synergy
Nyx Weaver
49%inclusion718 decks1.46K decks
45%synergy
Deathrite Shaman
47%inclusion693 decks1.46K decks
37%synergy
Ob Nixilis, the Fallen
44%inclusion648 decks1.46K decks
43%synergy
Steward of the Harvest
40%inclusion579 decks1.46K decks
39%synergy
Shigeki, Jukai Visionary
36%inclusion528 decks1.46K decks
34%synergy
Tatyova, Benthic Druid
35%inclusion519 decks1.46K decks
24%synergy
Wight of the Reliquary
35%inclusion512 decks1.46K decks
29%synergy
Ramunap Excavator
32%inclusion474 decks1.46K decks
26%synergy
Springbloom Druid
31%inclusion450 decks1.46K decks
27%synergy
Floral Evoker
31%inclusion445 decks1.46K decks
30%synergy
Lost Monarch of Ifnir
28%inclusion412 decks1.46K decks
27%synergy
Birds of Paradise
28%inclusion408 decks1.46K decks
0%synergy
Craterhoof Behemoth
27%inclusion398 decks1.46K decks
20%synergy
Jarad, Golgari Lich Lord
27%inclusion388 decks1.46K decks
23%synergy
Hermit Druid
24%inclusion350 decks1.46K decks
22%synergy
Uro, Titan of Nature's Wrath
22%inclusion324 decks1.46K decks
17%synergy
Tormod, the Desecrator
20%inclusion297 decks1.46K decks
19%synergy
Satyr Wayfinder
18%inclusion257 decks1.46K decks
15%synergy
Dauthi Voidwalker
18%inclusion256 decks1.46K decks
11%synergy
Millikin
17%inclusion243 decks1.46K decks
15%synergy
World Shaper
16%inclusion238 decks1.46K decks
14%synergy
Scute Swarm
16%inclusion233 decks1.46K decks
6%synergy
Diviner of Mist
15%inclusion222 decks1.46K decks
15%synergy
Bloodghast
15%inclusion213 decks1.46K decks
12%synergy
Aesi, Tyrant of Gyre Strait
14%inclusion211 decks1.46K decks
8%synergy
Lotuslight Dancers
14%inclusion197 decks1.45K decks
12%synergy
Warren Soultrader
13%inclusion192 decks1.46K decks
8%synergy
Lumra, Bellow of the Woods
12%inclusion179 decks1.46K decks
10%synergy
Sylvan Safekeeper
12%inclusion179 decks1.46K decks
8%synergy
Underrealm Lich
12%inclusion178 decks1.46K decks
9%synergy
Overlord of the Balemurk
12%inclusion174 decks1.46K decks
10%synergy
Teval, the Balanced Scale
12%inclusion174 decks1.46K decks
10%synergy
Tireless Provisioner
12%inclusion170 decks1.46K decks
1%synergy
Lord of Extinction
11%inclusion166 decks1.46K decks
9%synergy
Molt Tender
11%inclusion160 decks1.46K decks
10%synergy
Golgari Grave-Troll
11%inclusion154 decks1.46K decks
9%synergy
Lotus Cobra
10%inclusion143 decks1.46K decks
2%synergy
Tasigur, the Golden Fang
10%inclusion142 decks1.46K decks
9%synergy
Multani, Yavimaya's Avatar
9.1%inclusion133 decks1.46K decks
7%synergy
Instants
Swords to Plowshares
100%inclusion3 decks3 decks
39%synergy
Assassin's Trophy
65%inclusion955 decks1.46K decks
34%synergy
Tear Asunder
53%inclusion780 decks1.46K decks
46%synergy
Grapple with the Past
50%inclusion728 decks1.46K decks
48%synergy
Harrow
48%inclusion706 decks1.46K decks
39%synergy
Putrefy
41%inclusion600 decks1.46K decks
25%synergy
Lethal Scheme
41%inclusion596 decks1.46K decks
39%synergy
Counterspell
32%inclusion465 decks1.46K decks
-10%synergy
Beast Within
30%inclusion442 decks1.46K decks
-3%synergy
Grisly Salvage
28%inclusion405 decks1.46K decks
22%synergy
Entomb
25%inclusion366 decks1.46K decks
18%synergy
An Offer You Can't Refuse
23%inclusion330 decks1.46K decks
-2%synergy
Heroic Intervention
15%inclusion221 decks1.46K decks
-15%synergy
Deadly Rollick
12%inclusion180 decks1.46K decks
-2%synergy
Arcane Denial
12%inclusion172 decks1.46K decks
-8%synergy
Swan Song
11%inclusion166 decks1.46K decks
-6%synergy
Noxious Revival
11%inclusion157 decks1.46K decks
6%synergy
Forbidden Alchemy
9.3%inclusion136 decks1.46K decks
8%synergy
Smuggler's Surprise
8.6%inclusion126 decks1.46K decks
6%synergy
Auroral Procession
8.5%inclusion125 decks1.46K decks
6%synergy
Mana Drain
7.6%inclusion111 decks1.46K decks
-7%synergy
Abrupt Decay
7.5%inclusion109 decks1.46K decks
-2%synergy
Fell the Profane
6.8%inclusion100 decks1.46K decks
-2%synergy
Pile On
6.7%inclusion98 decks1.46K decks
6%synergy
Sink into Stupor
6.5%inclusion95 decks1.46K decks
-4%synergy
Cache Grab
6.3%inclusion92 decks1.46K decks
6%synergy
Frantic Search
6.2%inclusion91 decks1.46K decks
-9%synergy
Dark Ritual
5.3%inclusion78 decks1.46K decks
-19%synergy
Malakir Rebirth
5.2%inclusion76 decks1.46K decks
-3%synergy
Sorceries
Will of the Sultai
62%inclusion901 decks1.46K decks
60%synergy
Afterlife from the Loam
53%inclusion778 decks1.46K decks
52%synergy
Rampant Growth
44%inclusion650 decks1.46K decks
12%synergy
Welcome the Dead
41%inclusion598 decks1.46K decks
41%synergy
Cultivate
33%inclusion487 decks1.46K decks
-9%synergy
Nature's Lore
32%inclusion463 decks1.46K decks
0%synergy
Toxic Deluge
22%inclusion325 decks1.46K decks
4%synergy
Three Visits
21%inclusion311 decks1.46K decks
-3%synergy
Buried Alive
18%inclusion260 decks1.46K decks
12%synergy
Bala Ged Recovery
14%inclusion208 decks1.46K decks
7%synergy
Treasure Cruise
13%inclusion194 decks1.46K decks
9%synergy
Rise of the Dark Realms
11%inclusion161 decks1.46K decks
6%synergy
Demonic Tutor
10%inclusion144 decks1.46K decks
-9%synergy
Casualties of War
9.2%inclusion134 decks1.46K decks
5%synergy
Death Begets Life
8.8%inclusion128 decks1.46K decks
7%synergy
Necromantic Selection
7.9%inclusion115 decks1.46K decks
7%synergy
Culling Ritual
7.9%inclusion115 decks1.46K decks
-3%synergy
Stitch Together
6.6%inclusion96 decks1.46K decks
5%synergy
Breach the Multiverse
6.5%inclusion95 decks1.46K decks
3%synergy
Finale of Devastation
6.1%inclusion89 decks1.46K decks
-1%synergy
Rise of the Witch-king
6.0%inclusion87 decks1.46K decks
2%synergy
Blasphemous Edict
5.7%inclusion84 decks1.46K decks
0%synergy
Windfall
5.5%inclusion81 decks1.46K decks
-6%synergy
Agadeem's Awakening
5.2%inclusion76 decks1.46K decks
2%synergy
Damnation
5.2%inclusion76 decks1.46K decks
-1%synergy
Nature's Rhythm
5.2%inclusion75 decks1.45K decks
1%synergy
Singularity Rupture
5.1%inclusion47 decks922 decks
1%synergy
Diabolic Intent
5.1%inclusion74 decks1.46K decks
-3%synergy
Utility Artifacts
Hedge Shredder
65%inclusion957 decks1.46K decks
63%synergy
Lightning Greaves
39%inclusion572 decks1.46K decks
14%synergy
Phyrexian Altar
30%inclusion433 decks1.46K decks
26%synergy
Mesmeric Orb
17%inclusion250 decks1.46K decks
16%synergy
Ashnod's Altar
12%inclusion179 decks1.46K decks
6%synergy
Crucible of Worlds
12%inclusion178 decks1.46K decks
10%synergy
Perpetual Timepiece
7.0%inclusion103 decks1.46K decks
6%synergy
Essence Anchor
6.9%inclusion100 decks1.46K decks
6%synergy
Swiftfoot Boots
6.5%inclusion95 decks1.46K decks
-20%synergy
Amulet of Vigor
5.7%inclusion84 decks1.46K decks
5%synergy
Enchantments
Phyrexian Reclamation
58%inclusion841 decks1.46K decks
54%synergy
Tortured Existence
56%inclusion816 decks1.46K decks
54%synergy
Titans' Nest
35%inclusion509 decks1.46K decks
34%synergy
Animate Dead
34%inclusion492 decks1.46K decks
25%synergy
Awaken the Honored Dead
28%inclusion403 decks1.46K decks
24%synergy
Crawling Sensation
19%inclusion279 decks1.46K decks
18%synergy
Rhystic Study
12%inclusion181 decks1.46K decks
-11%synergy
Glacierwood Siege
10%inclusion143 decks1.46K decks
8%synergy
Exploration
9.1%inclusion133 decks1.46K decks
1%synergy
Oversold Cemetery
8.3%inclusion121 decks1.46K decks
6%synergy
Walk-In Closet // Forgotten Cellar
8.3%inclusion121 decks1.46K decks
6%synergy
Out of the Tombs
7.9%inclusion115 decks1.46K decks
7%synergy
Mystic Remora
7.7%inclusion112 decks1.46K decks
-8%synergy
Spelunking
7.5%inclusion110 decks1.46K decks
3%synergy
Chthonian Nightmare
6.4%inclusion94 decks1.46K decks
5%synergy
The Meathook Massacre
5.7%inclusion84 decks1.46K decks
1%synergy
Screams from Within
5.5%inclusion81 decks1.46K decks
5%synergy
Necromancy
5.5%inclusion81 decks1.46K decks
2%synergy
Planeswalkers
Grist, the Hunger Tide
6.0%inclusion88 decks1.46K decks
2%synergy
Utility Lands
Command Beacon
61%inclusion896 decks1.46K decks
56%synergy
Cephalid Coliseum
56%inclusion817 decks1.46K decks
52%synergy
Memorial to Folly
43%inclusion630 decks1.46K decks
42%synergy
Shifting Woodland
40%inclusion591 decks1.46K decks
34%synergy
Crypt of Agadeem
39%inclusion570 decks1.46K decks
37%synergy
Drownyard Temple
34%inclusion495 decks1.46K decks
33%synergy
Takenuma, Abandoned Mire
32%inclusion464 decks1.46K decks
23%synergy
Boseiju, Who Endures
30%inclusion442 decks1.46K decks
12%synergy
Yavimaya, Cradle of Growth
26%inclusion373 decks1.46K decks
17%synergy
Dakmor Salvage
25%inclusion367 decks1.46K decks
23%synergy
Urborg, Tomb of Yawgmoth
23%inclusion342 decks1.46K decks
14%synergy
Bojuka Bog
23%inclusion339 decks1.46K decks
-6%synergy
Otawara, Soaring City
17%inclusion249 decks1.46K decks
1%synergy
Phyrexian Tower
14%inclusion200 decks1.46K decks
5%synergy
Strip Mine
14%inclusion198 decks1.46K decks
11%synergy
Kishla Village
9.4%inclusion138 decks1.46K decks
9%synergy
Lotus Field
9.4%inclusion138 decks1.46K decks
8%synergy
Mistrise Village
9.3%inclusion136 decks1.46K decks
2%synergy
Cabal Coffers
7.7%inclusion112 decks1.46K decks
-2%synergy
Reliquary Tower
7.7%inclusion112 decks1.46K decks
-22%synergy
Ghost Quarter
5.9%inclusion86 decks1.46K decks
4%synergy
Mosswort Bridge
5.3%inclusion78 decks1.46K decks
-5%synergy
Mana Artifacts
Sol Ring
87%inclusion1.27K decks1.46K decks
4%synergy
Arcane Signet
77%inclusion1.12K decks1.46K decks
5%synergy
Fellwar Stone
5.6%inclusion82 decks1.46K decks
-15%synergy
The Soul Stone
5.2%inclusion45 decks858 decks
1%synergy
Talisman of Resilience
5.2%inclusion76 decks1.46K decks
-7%synergy
Lands
Lush Portico
100%inclusion3 decks3 decks
91%synergy
Temple Garden
100%inclusion3 decks3 decks
60%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Godless Shrine
100%inclusion3 decks3 decks
59%synergy
Command Tower
97%inclusion1.42K decks1.46K decks
23%synergy
Woodland Cemetery
74%inclusion1.09K decks1.46K decks
42%synergy
Exotic Orchard
73%inclusion1.07K decks1.46K decks
37%synergy
Hinterland Harbor
71%inclusion1.04K decks1.46K decks
38%synergy
Dreamroot Cascade
69%inclusion1.01K decks1.46K decks
47%synergy
Opulent Palace
66%inclusion964 decks1.46K decks
38%synergy
Breeding Pool
65%inclusion952 decks1.46K decks
23%synergy
Overgrown Tomb
65%inclusion951 decks1.46K decks
24%synergy
Watery Grave
64%inclusion940 decks1.46K decks
23%synergy
Llanowar Wastes
59%inclusion865 decks1.46K decks
32%synergy
Polluted Delta
56%inclusion818 decks1.46K decks
44%synergy
Zagoth Triome
55%inclusion800 decks1.46K decks
28%synergy
Verdant Catacombs
54%inclusion784 decks1.46K decks
43%synergy
Misty Rainforest
53%inclusion769 decks1.46K decks
41%synergy
Foreboding Landscape
52%inclusion767 decks1.46K decks
44%synergy
Sunken Hollow
52%inclusion764 decks1.46K decks
19%synergy
Terramorphic Expanse
41%inclusion595 decks1.46K decks
26%synergy
Golgari Rot Farm
39%inclusion567 decks1.46K decks
22%synergy
Underground Mortuary
38%inclusion559 decks1.46K decks
26%synergy
Hedge Maze
36%inclusion526 decks1.46K decks
25%synergy
Undergrowth Stadium
36%inclusion521 decks1.46K decks
12%synergy
Rejuvenating Springs
35%inclusion507 decks1.46K decks
9%synergy
Undercity Sewers
32%inclusion463 decks1.46K decks
20%synergy
Fetid Pools
28%inclusion412 decks1.46K decks
21%synergy
Darkwater Catacombs
25%inclusion372 decks1.46K decks
11%synergy
Morphic Pool
25%inclusion364 decks1.46K decks
1%synergy
Fabled Passage
23%inclusion343 decks1.46K decks
14%synergy
Myriad Landscape
22%inclusion322 decks1.46K decks
7%synergy
Drowned Catacomb
20%inclusion295 decks1.46K decks
-9%synergy
Temple of Malady
18%inclusion264 decks1.46K decks
3%synergy
Yavimaya Coast
17%inclusion255 decks1.46K decks
-10%synergy
Deathcap Glade
16%inclusion235 decks1.46K decks
3%synergy
Haunted Mire
16%inclusion227 decks1.46K decks
10%synergy
Shipwreck Marsh
14%inclusion206 decks1.46K decks
-4%synergy
Evolving Wilds
14%inclusion199 decks1.46K decks
-7%synergy
Underground River
12%inclusion177 decks1.46K decks
-11%synergy
Windswept Heath
11%inclusion168 decks1.46K decks
0%synergy
Bayou
11%inclusion158 decks1.46K decks
-3%synergy
Wooded Foothills
10%inclusion152 decks1.46K decks
0%synergy
Underground Sea
10%inclusion152 decks1.46K decks
-4%synergy
Tropical Island
10%inclusion151 decks1.46K decks
-4%synergy
Contaminated Aquifer
10%inclusion148 decks1.46K decks
7%synergy
Bloodstained Mire
10%inclusion147 decks1.46K decks
-1%synergy
Flooded Strand
10%inclusion142 decks1.46K decks
-2%synergy
Simic Growth Chamber
10%inclusion141 decks1.46K decks
-7%synergy
Wastewood Verge
10%inclusion140 decks1.46K decks
2%synergy