Kotis, Sibsig Champion
Altar of Dementia
Timeless 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 Timeless 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 Timeless Witness, causing you to mill cards equal to Timeless Witness's power.
4
Cast Timeless 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 Timeless 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
4.7%inclusion1.43K decks30.5K decks
Kotis, Sibsig Champion
6.8%inclusion66 decks967 decks
Sidisi, Brood Tyrant
1.0%inclusion47 decks4.86K decks
Sin, Spira's Punishment
0.5%inclusion21 decks4.63K decks
Muldrotha, the Gravetide
0.1%inclusion14 decks16K decks
Teval, Arbiter of Virtue
0.1%inclusion7 decks5.49K decks
The Master, Transcendent
0.2%inclusion4 decks2.52K decks
Glarb, Calamity's Augur
0.0%inclusion3 decks15K decks
Gonti, Canny Acquisitor
0.0%inclusion1 decks6.97K decks
The Wise Mothman
0.0%inclusion1 decks22.1K decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks337 decks
Tasigur, the Golden Fang
0.0%inclusion1 decks3.95K decks
New Cards
Cauldron of Essence
15%inclusion20 decks131 decks
8%synergy
Grave Researcher
14%inclusion24 decks172 decks
11%synergy
Dina's Guidance
3.8%inclusion5 decks131 decks
1%synergy
Vastlands Scavenger
3.8%inclusion5 decks131 decks
3%synergy
Emeritus of Abundance
2.6%inclusion4 decks151 decks
1%synergy
High Synergy Cards
Life from the Loam
92%inclusion1.47K decks1.60K decks
87%synergy
Teval's Judgment
90%inclusion1.43K decks1.60K decks
87%synergy
Colossal Grave-Reaver
92%inclusion1.46K decks1.60K decks
87%synergy
Hedron Crab
87%inclusion1.39K decks1.60K decks
85%synergy
Wonder
83%inclusion1.32K decks1.60K decks
79%synergy
Stitcher's Supplier
80%inclusion1.28K decks1.60K decks
76%synergy
Living Death
82%inclusion1.30K decks1.60K decks
76%synergy
Will of the Sultai
75%inclusion1.20K decks1.60K decks
73%synergy
Conduit of Worlds
79%inclusion1.26K decks1.60K decks
73%synergy
Gravecrawler
76%inclusion1.22K decks1.60K decks
72%synergy
Top Cards
Muldrotha, the Gravetide
80%inclusion1.28K decks1.60K decks
70%synergy
Victimize
80%inclusion1.28K decks1.60K decks
67%synergy
Farseek
80%inclusion1.27K decks1.60K decks
44%synergy
Six
77%inclusion1.23K decks1.60K decks
72%synergy
Ripples of Undeath
75%inclusion1.21K decks1.60K decks
71%synergy
Sakura-Tribe Elder
73%inclusion1.17K decks1.60K decks
57%synergy
Insidious Roots
73%inclusion1.16K decks1.60K decks
67%synergy
Kishla Skimmer
73%inclusion1.16K decks1.60K decks
71%synergy
Meren of Clan Nel Toth
72%inclusion1.16K decks1.60K decks
68%synergy
Skull Prophet
70%inclusion1.12K decks1.60K decks
65%synergy
Game Changers
Field of the Dead
37%inclusion588 decks1.60K decks
34%synergy
Crop Rotation
25%inclusion395 decks1.60K decks
15%synergy
Cyclonic Rift
11%inclusion175 decks1.60K decks
-11%synergy
Rhystic Study
8.1%inclusion129 decks1.60K decks
-15%synergy
Fierce Guardianship
7.5%inclusion120 decks1.60K decks
-10%synergy
Gifts Ungiven
6.3%inclusion100 decks1.60K decks
4%synergy
Demonic Tutor
5.7%inclusion91 decks1.60K decks
-13%synergy
Creatures
Kheru Goldkeeper
66%inclusion1.05K decks1.58K decks
62%synergy
River Kelpie
65%inclusion1.04K decks1.60K decks
64%synergy
Sidisi, Brood Tyrant
64%inclusion1.03K decks1.60K decks
61%synergy
The Gitrog Monster
64%inclusion1.02K decks1.60K decks
57%synergy
Nyx Weaver
63%inclusion1K decks1.60K decks
58%synergy
Avenger of Zendikar
63%inclusion1K decks1.60K decks
54%synergy
Ob Nixilis, the Fallen
59%inclusion946 decks1.60K decks
58%synergy
Eternal Witness
57%inclusion905 decks1.60K decks
40%synergy
Syr Konrad, the Grim
54%inclusion864 decks1.60K decks
46%synergy
Steward of the Harvest
54%inclusion857 decks1.60K decks
53%synergy
Icetill Explorer
50%inclusion477 decks952 decks
43%synergy
Shigeki, Jukai Visionary
50%inclusion799 decks1.60K decks
48%synergy
The Scarab God
50%inclusion794 decks1.60K decks
47%synergy
Aftermath Analyst
48%inclusion762 decks1.60K decks
43%synergy
Springbloom Druid
45%inclusion713 decks1.60K decks
41%synergy
Deathrite Shaman
44%inclusion703 decks1.60K decks
33%synergy
Floral Evoker
44%inclusion698 decks1.60K decks
43%synergy
Jarad, Golgari Lich Lord
35%inclusion555 decks1.60K decks
31%synergy
Dauthi Voidwalker
32%inclusion513 decks1.60K decks
26%synergy
Tatyova, Benthic Druid
30%inclusion474 decks1.60K decks
18%synergy
Satyr Wayfinder
29%inclusion465 decks1.60K decks
27%synergy
Lost Monarch of Ifnir
28%inclusion453 decks1.60K decks
27%synergy
Wight of the Reliquary
28%inclusion453 decks1.60K decks
23%synergy
Millikin
27%inclusion436 decks1.60K decks
26%synergy
Diviner of Mist
27%inclusion425 decks1.60K decks
26%synergy
Multani, Yavimaya's Avatar
25%inclusion393 decks1.60K decks
23%synergy
Craterhoof Behemoth
24%inclusion386 decks1.60K decks
17%synergy
Ramunap Excavator
24%inclusion379 decks1.60K decks
17%synergy
Noxious Gearhulk
23%inclusion360 decks1.60K decks
19%synergy
Tasigur, the Golden Fang
21%inclusion336 decks1.60K decks
20%synergy
World Shaper
21%inclusion330 decks1.60K decks
18%synergy
Amphin Mutineer
20%inclusion319 decks1.60K decks
19%synergy
Hermit Druid
18%inclusion287 decks1.60K decks
16%synergy
Birds of Paradise
18%inclusion287 decks1.60K decks
-10%synergy
Tormod, the Desecrator
18%inclusion284 decks1.60K decks
17%synergy
Lord of Extinction
17%inclusion278 decks1.60K decks
15%synergy
Underrealm Lich
17%inclusion269 decks1.60K decks
14%synergy
Uro, Titan of Nature's Wrath
16%inclusion258 decks1.60K decks
11%synergy
Bloodghast
14%inclusion219 decks1.60K decks
11%synergy
Junji, the Midnight Sky
14%inclusion216 decks1.60K decks
11%synergy
Scute Swarm
14%inclusion216 decks1.60K decks
4%synergy
Lotuslight Dancers
13%inclusion211 decks1.58K decks
12%synergy
Disciple of Bolas
11%inclusion183 decks1.60K decks
9%synergy
Aesi, Tyrant of Gyre Strait
11%inclusion183 decks1.60K decks
5%synergy
Reassembling Skeleton
11%inclusion169 decks1.60K decks
7%synergy
Lumra, Bellow of the Woods
10%inclusion154 decks1.60K decks
7%synergy
Woe Strider
8.9%inclusion143 decks1.60K decks
7%synergy
Tireless Provisioner
8.8%inclusion141 decks1.60K decks
-2%synergy
Golgari Grave-Troll
8.6%inclusion137 decks1.60K decks
7%synergy
Warren Soultrader
8.4%inclusion135 decks1.60K decks
3%synergy
Instants
Tear Asunder
69%inclusion1.10K decks1.60K decks
61%synergy
Grapple with the Past
64%inclusion1.03K decks1.60K decks
63%synergy
Harrow
61%inclusion973 decks1.60K decks
52%synergy
Putrefy
57%inclusion908 decks1.60K decks
41%synergy
Lethal Scheme
56%inclusion900 decks1.60K decks
54%synergy
Assassin's Trophy
52%inclusion827 decks1.60K decks
21%synergy
Grisly Salvage
37%inclusion586 decks1.60K decks
31%synergy
Counterspell
28%inclusion442 decks1.60K decks
-14%synergy
Beast Within
24%inclusion380 decks1.60K decks
-10%synergy
Forbidden Alchemy
22%inclusion359 decks1.60K decks
21%synergy
An Offer You Can't Refuse
17%inclusion265 decks1.60K decks
-8%synergy
Entomb
16%inclusion261 decks1.60K decks
9%synergy
Smuggler's Surprise
11%inclusion174 decks1.60K decks
9%synergy
Heroic Intervention
11%inclusion170 decks1.60K decks
-20%synergy
Arcane Denial
8.4%inclusion134 decks1.60K decks
-12%synergy
Auroral Procession
7.8%inclusion125 decks1.60K decks
5%synergy
Deadly Rollick
7.8%inclusion124 decks1.60K decks
-6%synergy
Swan Song
7.4%inclusion119 decks1.60K decks
-10%synergy
Pile On
6.3%inclusion100 decks1.60K decks
6%synergy
Midnight Tilling
5.8%inclusion29 decks502 decks
5%synergy
Cache Grab
5.6%inclusion89 decks1.60K decks
5%synergy
Noxious Revival
5.4%inclusion86 decks1.60K decks
1%synergy
Frantic Search
5.1%inclusion81 decks1.60K decks
-10%synergy
Fell the Profane
5.0%inclusion80 decks1.60K decks
-4%synergy
Sorceries
Afterlife from the Loam
67%inclusion1.07K decks1.60K decks
66%synergy
Reanimate
58%inclusion930 decks1.60K decks
39%synergy
Dread Return
58%inclusion924 decks1.60K decks
53%synergy
Rampant Growth
58%inclusion923 decks1.60K decks
25%synergy
Welcome the Dead
56%inclusion896 decks1.60K decks
56%synergy
Cultivate
47%inclusion746 decks1.60K decks
4%synergy
Treasure Cruise
27%inclusion432 decks1.60K decks
23%synergy
Nature's Lore
26%inclusion416 decks1.60K decks
-5%synergy
Casualties of War
24%inclusion389 decks1.60K decks
20%synergy
Necromantic Selection
23%inclusion375 decks1.60K decks
22%synergy
Toxic Deluge
17%inclusion267 decks1.60K decks
-1%synergy
Three Visits
16%inclusion260 decks1.60K decks
-8%synergy
Buried Alive
13%inclusion211 decks1.60K decks
7%synergy
Bala Ged Recovery
11%inclusion172 decks1.60K decks
3%synergy
Malevolent Rumble
10%inclusion160 decks1.60K decks
9%synergy
Rise of the Dark Realms
10%inclusion155 decks1.60K decks
5%synergy
Death Begets Life
8.8%inclusion140 decks1.60K decks
7%synergy
Rise of the Witch-king
6.1%inclusion97 decks1.60K decks
2%synergy
Breach the Multiverse
6.0%inclusion96 decks1.60K decks
3%synergy
Singularity Rupture
5.2%inclusion51 decks980 decks
1%synergy
Culling Ritual
5.0%inclusion80 decks1.60K decks
-6%synergy
Utility Artifacts
Hedge Shredder
61%inclusion969 decks1.60K decks
58%synergy
Lightning Greaves
32%inclusion508 decks1.60K decks
7%synergy
Phyrexian Altar
24%inclusion378 decks1.60K decks
20%synergy
Essence Anchor
15%inclusion245 decks1.60K decks
15%synergy
Mesmeric Orb
12%inclusion188 decks1.60K decks
10%synergy
Elixir of Immortality
10%inclusion158 decks1.60K decks
9%synergy
Ashnod's Altar
10%inclusion155 decks1.60K decks
3%synergy
Crucible of Worlds
10%inclusion154 decks1.60K decks
7%synergy
Cursecloth Wrappings
7.3%inclusion117 decks1.60K decks
7%synergy
Agatha's Soul Cauldron
5.3%inclusion84 decks1.60K decks
4%synergy
Perpetual Timepiece
5.2%inclusion83 decks1.60K decks
4%synergy
Enchantments
Phyrexian Reclamation
68%inclusion1.08K decks1.60K decks
65%synergy
Tortured Existence
48%inclusion772 decks1.60K decks
46%synergy
Titans' Nest
40%inclusion634 decks1.60K decks
39%synergy
Crawling Sensation
34%inclusion551 decks1.60K decks
33%synergy
Awaken the Honored Dead
27%inclusion424 decks1.60K decks
23%synergy
Animate Dead
23%inclusion371 decks1.60K decks
15%synergy
Glacierwood Siege
11%inclusion173 decks1.60K decks
9%synergy
Oversold Cemetery
8.2%inclusion131 decks1.60K decks
6%synergy
Walk-In Closet // Forgotten Cellar
6.4%inclusion103 decks1.60K decks
4%synergy
Spelunking
5.6%inclusion90 decks1.60K decks
1%synergy
Exploration
5.6%inclusion89 decks1.60K decks
-2%synergy
Out of the Tombs
5.1%inclusion82 decks1.60K decks
4%synergy
Utility Lands
Command Beacon
72%inclusion1.15K decks1.60K decks
67%synergy
Cephalid Coliseum
67%inclusion1.08K decks1.60K decks
64%synergy
Memorial to Folly
58%inclusion932 decks1.60K decks
57%synergy
Drownyard Temple
49%inclusion780 decks1.60K decks
48%synergy
Crypt of Agadeem
46%inclusion742 decks1.60K decks
45%synergy
Shifting Woodland
32%inclusion504 decks1.60K decks
25%synergy
Takenuma, Abandoned Mire
24%inclusion385 decks1.60K decks
16%synergy
Boseiju, Who Endures
22%inclusion346 decks1.60K decks
3%synergy
Bojuka Bog
20%inclusion325 decks1.60K decks
-9%synergy
Dakmor Salvage
20%inclusion316 decks1.60K decks
17%synergy
Yavimaya, Cradle of Growth
19%inclusion296 decks1.60K decks
10%synergy
Urborg, Tomb of Yawgmoth
15%inclusion244 decks1.60K decks
6%synergy
Ghost Quarter
13%inclusion213 decks1.60K decks
11%synergy
Otawara, Soaring City
12%inclusion190 decks1.60K decks
-4%synergy
Strip Mine
12%inclusion184 decks1.60K decks
9%synergy
Kishla Village
10%inclusion152 decks1.60K decks
9%synergy
Phyrexian Tower
9.1%inclusion145 decks1.60K decks
0%synergy
Lotus Field
8.8%inclusion141 decks1.60K decks
7%synergy
Mistrise Village
8.8%inclusion140 decks1.60K decks
1%synergy
Reliquary Tower
5.2%inclusion83 decks1.60K decks
-25%synergy
Mana Artifacts
Sol Ring
90%inclusion1.44K decks1.60K decks
6%synergy
Arcane Signet
82%inclusion1.32K decks1.60K decks
10%synergy
Lands
Command Tower
98%inclusion1.56K decks1.60K decks
24%synergy
Woodland Cemetery
83%inclusion1.33K decks1.60K decks
51%synergy
Hinterland Harbor
81%inclusion1.30K decks1.60K decks
47%synergy
Exotic Orchard
81%inclusion1.29K decks1.60K decks
44%synergy
Dreamroot Cascade
78%inclusion1.25K decks1.60K decks
56%synergy
Opulent Palace
75%inclusion1.20K decks1.60K decks
47%synergy
Llanowar Wastes
68%inclusion1.09K decks1.60K decks
41%synergy
Sunken Hollow
66%inclusion1.05K decks1.60K decks
33%synergy
Foreboding Landscape
63%inclusion1.01K decks1.60K decks
54%synergy
Terramorphic Expanse
53%inclusion851 decks1.60K decks
38%synergy
Golgari Rot Farm
52%inclusion830 decks1.60K decks
35%synergy
Overgrown Tomb
52%inclusion830 decks1.60K decks
11%synergy
Breeding Pool
51%inclusion822 decks1.60K decks
9%synergy
Watery Grave
51%inclusion821 decks1.60K decks
10%synergy
Polluted Delta
45%inclusion716 decks1.60K decks
33%synergy
Zagoth Triome
43%inclusion690 decks1.60K decks
16%synergy
Fetid Pools
43%inclusion680 decks1.60K decks
36%synergy
Verdant Catacombs
42%inclusion674 decks1.60K decks
31%synergy
Misty Rainforest
42%inclusion672 decks1.60K decks
31%synergy
Darkwater Catacombs
39%inclusion616 decks1.60K decks
24%synergy
Myriad Landscape
36%inclusion575 decks1.60K decks
21%synergy
Underground Mortuary
29%inclusion465 decks1.60K decks
16%synergy
Undergrowth Stadium
29%inclusion458 decks1.60K decks
5%synergy
Haunted Mire
28%inclusion444 decks1.60K decks
22%synergy
Hedge Maze
28%inclusion440 decks1.60K decks
17%synergy
Rejuvenating Springs
27%inclusion430 decks1.60K decks
1%synergy
Fabled Passage
26%inclusion410 decks1.60K decks
16%synergy
Temple of Malady
25%inclusion404 decks1.60K decks
10%synergy
Undercity Sewers
23%inclusion372 decks1.60K decks
12%synergy
Morphic Pool
19%inclusion309 decks1.60K decks
-4%synergy
Contaminated Aquifer
18%inclusion284 decks1.60K decks
15%synergy
Drowned Catacomb
16%inclusion259 decks1.60K decks
-13%synergy
Yavimaya Coast
13%inclusion215 decks1.60K decks
-14%synergy
Evolving Wilds
12%inclusion197 decks1.60K decks
-8%synergy
Deathcap Glade
12%inclusion194 decks1.60K decks
-1%synergy
Shipwreck Marsh
11%inclusion170 decks1.60K decks
-7%synergy
Underground River
10%inclusion156 decks1.60K decks
-13%synergy
Wastewood Verge
9.1%inclusion145 decks1.60K decks
1%synergy
Blighted Woodland
8.9%inclusion143 decks1.60K decks
5%synergy
Simic Growth Chamber
8.1%inclusion129 decks1.60K decks
-9%synergy
Dimir Aqueduct
7.6%inclusion122 decks1.60K decks
-6%synergy
Bayou
7.6%inclusion121 decks1.60K decks
-6%synergy
Willowrush Verge
7.2%inclusion115 decks1.60K decks
0%synergy
Windswept Heath
7.2%inclusion115 decks1.60K decks
-4%synergy
Underground Sea
7.2%inclusion115 decks1.60K decks
-7%synergy
Tropical Island
7.0%inclusion112 decks1.60K decks
-7%synergy
Wooded Foothills
6.6%inclusion106 decks1.60K decks
-4%synergy
Gloomlake Verge
6.1%inclusion97 decks1.60K decks
-3%synergy
Flooded Strand
6.1%inclusion97 decks1.60K decks
-5%synergy
Bloodstained Mire
5.6%inclusion89 decks1.60K decks
-6%synergy