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 decks30.2K decks
Kotis, Sibsig Champion
6.9%inclusion66 decks961 decks
Sidisi, Brood Tyrant
1.0%inclusion46 decks4.82K decks
Sin, Spira's Punishment
0.5%inclusion21 decks4.59K decks
Muldrotha, the Gravetide
0.1%inclusion14 decks15.8K decks
Teval, Arbiter of Virtue
0.1%inclusion7 decks5.44K decks
Glarb, Calamity's Augur
0.0%inclusion3 decks14.8K decks
The Master, Transcendent
0.1%inclusion3 decks2.49K decks
Gonti, Canny Acquisitor
0.0%inclusion1 decks6.92K decks
The Wise Mothman
0.0%inclusion1 decks21.8K decks
Ravos, Soultender // Thrasios, Triton Hero
0.3%inclusion1 decks332 decks
Tasigur, the Golden Fang
0.0%inclusion1 decks3.92K decks
New Cards
Cauldron of Essence
14%inclusion13 decks95 decks
8%synergy
Grave Researcher
8.6%inclusion12 decks139 decks
6%synergy
Dina's Guidance
5.3%inclusion5 decks95 decks
3%synergy
Vastlands Scavenger
2.1%inclusion2 decks95 decks
2%synergy
Emeritus of Abundance
1.7%inclusion2 decks115 decks
1%synergy
High Synergy Cards
Life from the Loam
92%inclusion1.46K decks1.59K decks
88%synergy
Teval's Judgment
90%inclusion1.42K decks1.59K decks
87%synergy
Colossal Grave-Reaver
92%inclusion1.46K decks1.59K decks
87%synergy
Hedron Crab
87%inclusion1.38K decks1.59K decks
85%synergy
Wonder
83%inclusion1.31K decks1.59K decks
79%synergy
Stitcher's Supplier
80%inclusion1.28K decks1.59K decks
76%synergy
Living Death
81%inclusion1.29K decks1.59K decks
76%synergy
Will of the Sultai
75%inclusion1.19K decks1.59K decks
74%synergy
Conduit of Worlds
79%inclusion1.25K decks1.59K decks
73%synergy
Gravecrawler
76%inclusion1.21K decks1.59K decks
72%synergy
Top Cards
Muldrotha, the Gravetide
80%inclusion1.27K decks1.59K decks
70%synergy
Victimize
80%inclusion1.27K decks1.59K decks
67%synergy
Farseek
80%inclusion1.26K decks1.59K decks
44%synergy
Six
77%inclusion1.22K decks1.59K decks
71%synergy
Ripples of Undeath
75%inclusion1.20K decks1.59K decks
71%synergy
Sakura-Tribe Elder
73%inclusion1.16K decks1.59K decks
57%synergy
Insidious Roots
73%inclusion1.16K decks1.59K decks
67%synergy
Kishla Skimmer
73%inclusion1.16K decks1.59K decks
71%synergy
Meren of Clan Nel Toth
73%inclusion1.16K decks1.59K decks
69%synergy
Skull Prophet
70%inclusion1.12K decks1.59K decks
65%synergy
Game Changers
Field of the Dead
37%inclusion586 decks1.59K decks
34%synergy
Crop Rotation
25%inclusion392 decks1.59K decks
15%synergy
Cyclonic Rift
11%inclusion173 decks1.59K decks
-11%synergy
Rhystic Study
8.1%inclusion129 decks1.59K decks
-15%synergy
Fierce Guardianship
7.4%inclusion118 decks1.59K decks
-10%synergy
Gifts Ungiven
6.3%inclusion100 decks1.59K decks
5%synergy
Demonic Tutor
5.7%inclusion90 decks1.59K decks
-13%synergy
Creatures
Kheru Goldkeeper
66%inclusion1.04K decks1.58K decks
62%synergy
River Kelpie
65%inclusion1.03K decks1.59K decks
64%synergy
Sidisi, Brood Tyrant
64%inclusion1.02K decks1.59K decks
61%synergy
The Gitrog Monster
64%inclusion1.01K decks1.59K decks
57%synergy
Avenger of Zendikar
63%inclusion1K decks1.59K decks
55%synergy
Nyx Weaver
63%inclusion1K decks1.59K decks
58%synergy
Ob Nixilis, the Fallen
59%inclusion940 decks1.59K decks
58%synergy
Eternal Witness
57%inclusion902 decks1.59K decks
40%synergy
Syr Konrad, the Grim
54%inclusion858 decks1.59K decks
46%synergy
Steward of the Harvest
54%inclusion856 decks1.59K decks
53%synergy
Icetill Explorer
50%inclusion470 decks941 decks
43%synergy
Shigeki, Jukai Visionary
50%inclusion793 decks1.59K decks
48%synergy
The Scarab God
50%inclusion789 decks1.59K decks
46%synergy
Aftermath Analyst
48%inclusion755 decks1.59K decks
43%synergy
Springbloom Druid
45%inclusion710 decks1.59K decks
41%synergy
Deathrite Shaman
44%inclusion700 decks1.59K decks
33%synergy
Floral Evoker
44%inclusion695 decks1.59K decks
43%synergy
Jarad, Golgari Lich Lord
35%inclusion549 decks1.59K decks
31%synergy
Dauthi Voidwalker
32%inclusion510 decks1.59K decks
26%synergy
Tatyova, Benthic Druid
30%inclusion470 decks1.59K decks
18%synergy
Satyr Wayfinder
29%inclusion463 decks1.59K decks
27%synergy
Lost Monarch of Ifnir
28%inclusion451 decks1.59K decks
27%synergy
Wight of the Reliquary
28%inclusion449 decks1.59K decks
23%synergy
Millikin
27%inclusion432 decks1.59K decks
26%synergy
Diviner of Mist
27%inclusion425 decks1.59K decks
26%synergy
Multani, Yavimaya's Avatar
24%inclusion389 decks1.59K decks
23%synergy
Craterhoof Behemoth
24%inclusion379 decks1.59K decks
17%synergy
Ramunap Excavator
24%inclusion376 decks1.59K decks
17%synergy
Noxious Gearhulk
22%inclusion357 decks1.59K decks
19%synergy
Tasigur, the Golden Fang
21%inclusion337 decks1.59K decks
20%synergy
World Shaper
21%inclusion328 decks1.59K decks
18%synergy
Amphin Mutineer
20%inclusion317 decks1.59K decks
19%synergy
Hermit Druid
18%inclusion286 decks1.59K decks
16%synergy
Tormod, the Desecrator
18%inclusion285 decks1.59K decks
17%synergy
Birds of Paradise
18%inclusion284 decks1.59K decks
-10%synergy
Lord of Extinction
18%inclusion279 decks1.59K decks
15%synergy
Underrealm Lich
17%inclusion267 decks1.59K decks
14%synergy
Uro, Titan of Nature's Wrath
16%inclusion258 decks1.59K decks
11%synergy
Bloodghast
14%inclusion221 decks1.59K decks
11%synergy
Junji, the Midnight Sky
14%inclusion216 decks1.59K decks
11%synergy
Scute Swarm
14%inclusion215 decks1.59K decks
4%synergy
Lotuslight Dancers
13%inclusion210 decks1.57K decks
12%synergy
Disciple of Bolas
12%inclusion184 decks1.59K decks
9%synergy
Aesi, Tyrant of Gyre Strait
11%inclusion182 decks1.59K decks
5%synergy
Reassembling Skeleton
11%inclusion169 decks1.59K decks
7%synergy
Lumra, Bellow of the Woods
10%inclusion151 decks1.59K decks
7%synergy
Woe Strider
8.9%inclusion142 decks1.59K decks
7%synergy
Tireless Provisioner
8.8%inclusion140 decks1.59K decks
-2%synergy
Golgari Grave-Troll
8.5%inclusion135 decks1.59K decks
7%synergy
Warren Soultrader
8.4%inclusion134 decks1.59K decks
3%synergy
Instants
Tear Asunder
69%inclusion1.10K decks1.59K decks
61%synergy
Grapple with the Past
64%inclusion1.02K decks1.59K decks
63%synergy
Harrow
61%inclusion969 decks1.59K decks
52%synergy
Putrefy
57%inclusion904 decks1.59K decks
41%synergy
Lethal Scheme
56%inclusion895 decks1.59K decks
54%synergy
Assassin's Trophy
52%inclusion820 decks1.59K decks
21%synergy
Grisly Salvage
37%inclusion585 decks1.59K decks
31%synergy
Counterspell
27%inclusion435 decks1.59K decks
-14%synergy
Beast Within
24%inclusion378 decks1.59K decks
-10%synergy
Forbidden Alchemy
22%inclusion356 decks1.59K decks
21%synergy
An Offer You Can't Refuse
16%inclusion262 decks1.59K decks
-8%synergy
Entomb
16%inclusion258 decks1.59K decks
9%synergy
Smuggler's Surprise
11%inclusion171 decks1.59K decks
8%synergy
Heroic Intervention
11%inclusion167 decks1.59K decks
-20%synergy
Arcane Denial
8.4%inclusion133 decks1.59K decks
-12%synergy
Auroral Procession
7.7%inclusion123 decks1.59K decks
5%synergy
Deadly Rollick
7.6%inclusion121 decks1.59K decks
-6%synergy
Swan Song
7.2%inclusion115 decks1.59K decks
-11%synergy
Pile On
6.3%inclusion100 decks1.59K decks
6%synergy
Cache Grab
5.7%inclusion90 decks1.59K decks
5%synergy
Midnight Tilling
5.6%inclusion27 decks485 decks
5%synergy
Noxious Revival
5.4%inclusion86 decks1.59K decks
1%synergy
Frantic Search
5.1%inclusion81 decks1.59K decks
-10%synergy
Fell the Profane
5.0%inclusion80 decks1.59K decks
-4%synergy
Sorceries
Afterlife from the Loam
67%inclusion1.07K decks1.59K decks
66%synergy
Reanimate
58%inclusion920 decks1.59K decks
39%synergy
Dread Return
58%inclusion918 decks1.59K decks
53%synergy
Rampant Growth
58%inclusion918 decks1.59K decks
25%synergy
Welcome the Dead
56%inclusion890 decks1.59K decks
55%synergy
Cultivate
47%inclusion743 decks1.59K decks
5%synergy
Treasure Cruise
27%inclusion431 decks1.59K decks
23%synergy
Nature's Lore
26%inclusion414 decks1.59K decks
-5%synergy
Casualties of War
24%inclusion387 decks1.59K decks
20%synergy
Necromantic Selection
24%inclusion375 decks1.59K decks
23%synergy
Toxic Deluge
17%inclusion264 decks1.59K decks
-1%synergy
Three Visits
16%inclusion258 decks1.59K decks
-8%synergy
Buried Alive
13%inclusion209 decks1.59K decks
7%synergy
Bala Ged Recovery
11%inclusion171 decks1.59K decks
3%synergy
Malevolent Rumble
10%inclusion159 decks1.59K decks
9%synergy
Rise of the Dark Realms
10%inclusion153 decks1.59K decks
5%synergy
Death Begets Life
8.9%inclusion141 decks1.59K decks
7%synergy
Rise of the Witch-king
6.1%inclusion97 decks1.59K decks
2%synergy
Breach the Multiverse
6.0%inclusion95 decks1.59K decks
3%synergy
Singularity Rupture
5.2%inclusion50 decks969 decks
1%synergy
Culling Ritual
5.0%inclusion80 decks1.59K decks
-6%synergy
Utility Artifacts
Hedge Shredder
60%inclusion959 decks1.59K decks
58%synergy
Lightning Greaves
32%inclusion504 decks1.59K decks
7%synergy
Phyrexian Altar
24%inclusion376 decks1.59K decks
20%synergy
Essence Anchor
15%inclusion245 decks1.59K decks
15%synergy
Mesmeric Orb
12%inclusion187 decks1.59K decks
10%synergy
Elixir of Immortality
10%inclusion157 decks1.59K decks
9%synergy
Ashnod's Altar
10%inclusion155 decks1.59K decks
3%synergy
Crucible of Worlds
10%inclusion152 decks1.59K decks
7%synergy
Cursecloth Wrappings
7.4%inclusion117 decks1.59K decks
7%synergy
Agatha's Soul Cauldron
5.2%inclusion83 decks1.59K decks
4%synergy
Perpetual Timepiece
5.1%inclusion81 decks1.59K decks
4%synergy
Enchantments
Phyrexian Reclamation
68%inclusion1.08K decks1.59K decks
65%synergy
Tortured Existence
48%inclusion767 decks1.59K decks
46%synergy
Titans' Nest
40%inclusion635 decks1.59K decks
39%synergy
Crawling Sensation
35%inclusion549 decks1.59K decks
33%synergy
Awaken the Honored Dead
26%inclusion421 decks1.59K decks
23%synergy
Animate Dead
23%inclusion369 decks1.59K decks
15%synergy
Glacierwood Siege
11%inclusion173 decks1.59K decks
9%synergy
Oversold Cemetery
8.2%inclusion131 decks1.59K decks
6%synergy
Walk-In Closet // Forgotten Cellar
6.5%inclusion103 decks1.59K decks
4%synergy
Spelunking
5.7%inclusion91 decks1.59K decks
1%synergy
Exploration
5.7%inclusion90 decks1.59K decks
-2%synergy
Out of the Tombs
5.2%inclusion82 decks1.59K decks
4%synergy
Utility Lands
Command Beacon
72%inclusion1.14K decks1.59K decks
67%synergy
Cephalid Coliseum
68%inclusion1.07K decks1.59K decks
64%synergy
Memorial to Folly
58%inclusion927 decks1.59K decks
57%synergy
Drownyard Temple
49%inclusion777 decks1.59K decks
48%synergy
Crypt of Agadeem
47%inclusion739 decks1.59K decks
45%synergy
Shifting Woodland
32%inclusion501 decks1.59K decks
25%synergy
Takenuma, Abandoned Mire
24%inclusion383 decks1.59K decks
16%synergy
Boseiju, Who Endures
22%inclusion343 decks1.59K decks
3%synergy
Bojuka Bog
20%inclusion317 decks1.59K decks
-10%synergy
Dakmor Salvage
20%inclusion310 decks1.59K decks
17%synergy
Yavimaya, Cradle of Growth
18%inclusion293 decks1.59K decks
10%synergy
Urborg, Tomb of Yawgmoth
15%inclusion241 decks1.59K decks
6%synergy
Ghost Quarter
13%inclusion211 decks1.59K decks
11%synergy
Otawara, Soaring City
12%inclusion188 decks1.59K decks
-4%synergy
Strip Mine
12%inclusion183 decks1.59K decks
9%synergy
Kishla Village
10%inclusion155 decks1.59K decks
9%synergy
Phyrexian Tower
9.1%inclusion144 decks1.59K decks
0%synergy
Lotus Field
8.8%inclusion140 decks1.59K decks
7%synergy
Mistrise Village
8.7%inclusion139 decks1.59K decks
1%synergy
Reliquary Tower
5.2%inclusion83 decks1.59K decks
-25%synergy
Mana Artifacts
Sol Ring
90%inclusion1.43K decks1.59K decks
6%synergy
Arcane Signet
82%inclusion1.31K decks1.59K decks
10%synergy
Lands
Command Tower
98%inclusion1.55K decks1.59K decks
24%synergy
Woodland Cemetery
83%inclusion1.32K decks1.59K decks
51%synergy
Hinterland Harbor
81%inclusion1.29K decks1.59K decks
48%synergy
Exotic Orchard
81%inclusion1.28K decks1.59K decks
44%synergy
Dreamroot Cascade
78%inclusion1.24K decks1.59K decks
56%synergy
Opulent Palace
75%inclusion1.19K decks1.59K decks
47%synergy
Llanowar Wastes
68%inclusion1.09K decks1.59K decks
41%synergy
Sunken Hollow
66%inclusion1.04K decks1.59K decks
32%synergy
Foreboding Landscape
63%inclusion1K decks1.59K decks
54%synergy
Terramorphic Expanse
53%inclusion846 decks1.59K decks
38%synergy
Golgari Rot Farm
52%inclusion828 decks1.59K decks
35%synergy
Overgrown Tomb
52%inclusion826 decks1.59K decks
11%synergy
Breeding Pool
51%inclusion817 decks1.59K decks
9%synergy
Watery Grave
51%inclusion816 decks1.59K decks
10%synergy
Polluted Delta
45%inclusion713 decks1.59K decks
33%synergy
Zagoth Triome
43%inclusion688 decks1.59K decks
16%synergy
Fetid Pools
42%inclusion675 decks1.59K decks
36%synergy
Verdant Catacombs
42%inclusion671 decks1.59K decks
31%synergy
Misty Rainforest
42%inclusion670 decks1.59K decks
31%synergy
Darkwater Catacombs
39%inclusion614 decks1.59K decks
24%synergy
Myriad Landscape
36%inclusion572 decks1.59K decks
21%synergy
Underground Mortuary
29%inclusion463 decks1.59K decks
16%synergy
Undergrowth Stadium
29%inclusion456 decks1.59K decks
5%synergy
Haunted Mire
28%inclusion444 decks1.59K decks
22%synergy
Hedge Maze
27%inclusion436 decks1.59K decks
17%synergy
Rejuvenating Springs
27%inclusion427 decks1.59K decks
1%synergy
Fabled Passage
26%inclusion406 decks1.59K decks
16%synergy
Temple of Malady
25%inclusion402 decks1.59K decks
10%synergy
Undercity Sewers
23%inclusion369 decks1.59K decks
12%synergy
Morphic Pool
19%inclusion307 decks1.59K decks
-4%synergy
Contaminated Aquifer
18%inclusion285 decks1.59K decks
15%synergy
Drowned Catacomb
16%inclusion258 decks1.59K decks
-13%synergy
Yavimaya Coast
13%inclusion213 decks1.59K decks
-14%synergy
Evolving Wilds
12%inclusion194 decks1.59K decks
-8%synergy
Deathcap Glade
12%inclusion191 decks1.59K decks
-1%synergy
Shipwreck Marsh
11%inclusion170 decks1.59K decks
-7%synergy
Underground River
10%inclusion156 decks1.59K decks
-13%synergy
Wastewood Verge
9.1%inclusion144 decks1.59K decks
2%synergy
Blighted Woodland
8.9%inclusion142 decks1.59K decks
5%synergy
Simic Growth Chamber
8.1%inclusion128 decks1.59K decks
-9%synergy
Bayou
7.6%inclusion121 decks1.59K decks
-6%synergy
Dimir Aqueduct
7.6%inclusion120 decks1.59K decks
-6%synergy
Underground Sea
7.2%inclusion115 decks1.59K decks
-7%synergy
Windswept Heath
7.2%inclusion114 decks1.59K decks
-4%synergy
Willowrush Verge
7.1%inclusion113 decks1.59K decks
0%synergy
Tropical Island
7.0%inclusion112 decks1.59K decks
-7%synergy
Wooded Foothills
6.6%inclusion105 decks1.59K decks
-4%synergy
Flooded Strand
6.1%inclusion97 decks1.59K decks
-5%synergy
Gloomlake Verge
6.0%inclusion96 decks1.59K decks
-3%synergy
Bloodstained Mire
5.5%inclusion88 decks1.59K decks
-6%synergy