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?
Lock
Near-infinite turns
Teval, the Balanced Scale
4.8%inclusion1.22K decks25.1K decks
Kotis, Sibsig Champion
6.9%inclusion59 decks854 decks
Sidisi, Brood Tyrant
1.1%inclusion47 decks4.11K decks
Sin, Spira's Punishment
0.5%inclusion21 decks3.83K decks
Muldrotha, the Gravetide
0.1%inclusion12 decks13.2K decks
Teval, Arbiter of Virtue
0.2%inclusion8 decks4.87K decks
Gonti, Canny Acquisitor
0.0%inclusion2 decks5.84K decks
Glarb, Calamity's Augur
0.0%inclusion2 decks12.2K decks
The Master, Transcendent
0.1%inclusion2 decks2.03K decks
Ravos, Soultender // Thrasios, Triton Hero
0.4%inclusion1 decks274 decks
Tasigur, the Golden Fang
0.0%inclusion1 decks3.31K decks
New Cards
Twilight Diviner
6.0%inclusion11 decks182 decks
4%synergy
Midnight Tilling
5.8%inclusion11 decks189 decks
5%synergy
Sodden Verdure
3.2%inclusion6 decks189 decks
-2%synergy
Moonshadow
2.7%inclusion5 decks182 decks
2%synergy
Lluwen, Imperfect Naturalist
2.7%inclusion5 decks187 decks
1%synergy
High Synergy Cards
Life from the Loam
92%inclusion1.26K decks1.37K decks
87%synergy
Teval's Judgment
89%inclusion1.22K decks1.37K decks
87%synergy
Colossal Grave-Reaver
91%inclusion1.25K decks1.37K decks
86%synergy
Hedron Crab
86%inclusion1.18K decks1.37K decks
84%synergy
Wonder
82%inclusion1.12K decks1.37K decks
78%synergy
Stitcher's Supplier
80%inclusion1.10K decks1.37K decks
76%synergy
Living Death
81%inclusion1.11K decks1.37K decks
76%synergy
Will of the Sultai
75%inclusion1.02K decks1.37K decks
73%synergy
Conduit of Worlds
79%inclusion1.08K decks1.37K decks
73%synergy
Six
77%inclusion1.05K decks1.37K decks
71%synergy
Top Cards
Muldrotha, the Gravetide
80%inclusion1.09K decks1.37K decks
71%synergy
Farseek
79%inclusion1.09K decks1.37K decks
43%synergy
Victimize
78%inclusion1.06K decks1.37K decks
65%synergy
Ripples of Undeath
75%inclusion1.03K decks1.37K decks
70%synergy
Gravecrawler
75%inclusion1.03K decks1.37K decks
71%synergy
Insidious Roots
73%inclusion997 decks1.37K decks
67%synergy
Sakura-Tribe Elder
73%inclusion997 decks1.37K decks
56%synergy
Kishla Skimmer
73%inclusion996 decks1.37K decks
71%synergy
Meren of Clan Nel Toth
73%inclusion995 decks1.37K decks
69%synergy
Skull Prophet
69%inclusion946 decks1.37K decks
63%synergy
Game Changers
Field of the Dead
37%inclusion506 decks1.37K decks
34%synergy
Crop Rotation
23%inclusion320 decks1.37K decks
14%synergy
Cyclonic Rift
12%inclusion165 decks1.37K decks
-11%synergy
Rhystic Study
8.2%inclusion112 decks1.37K decks
-16%synergy
Fierce Guardianship
6.9%inclusion94 decks1.37K decks
-11%synergy
Gifts Ungiven
6.6%inclusion90 decks1.37K decks
5%synergy
Demonic Tutor
5.4%inclusion74 decks1.37K decks
-14%synergy
Creatures
Kheru Goldkeeper
66%inclusion894 decks1.36K decks
61%synergy
River Kelpie
65%inclusion886 decks1.37K decks
64%synergy
Nyx Weaver
63%inclusion864 decks1.37K decks
58%synergy
Avenger of Zendikar
63%inclusion862 decks1.37K decks
54%synergy
The Gitrog Monster
63%inclusion861 decks1.37K decks
56%synergy
Sidisi, Brood Tyrant
63%inclusion860 decks1.37K decks
59%synergy
Ob Nixilis, the Fallen
58%inclusion801 decks1.37K decks
57%synergy
Steward of the Harvest
57%inclusion786 decks1.37K decks
57%synergy
Eternal Witness
55%inclusion750 decks1.37K decks
38%synergy
Syr Konrad, the Grim
53%inclusion728 decks1.37K decks
45%synergy
Shigeki, Jukai Visionary
50%inclusion682 decks1.37K decks
48%synergy
The Scarab God
49%inclusion673 decks1.37K decks
46%synergy
Icetill Explorer
48%inclusion336 decks705 decks
41%synergy
Floral Evoker
46%inclusion632 decks1.37K decks
45%synergy
Aftermath Analyst
45%inclusion624 decks1.37K decks
41%synergy
Deathrite Shaman
45%inclusion624 decks1.37K decks
34%synergy
Springbloom Druid
45%inclusion616 decks1.37K decks
41%synergy
Dauthi Voidwalker
33%inclusion459 decks1.37K decks
27%synergy
Jarad, Golgari Lich Lord
33%inclusion457 decks1.37K decks
30%synergy
Satyr Wayfinder
30%inclusion408 decks1.37K decks
28%synergy
Lost Monarch of Ifnir
30%inclusion405 decks1.37K decks
28%synergy
Millikin
28%inclusion388 decks1.37K decks
27%synergy
Diviner of Mist
28%inclusion386 decks1.37K decks
28%synergy
Tatyova, Benthic Druid
28%inclusion382 decks1.37K decks
16%synergy
Wight of the Reliquary
27%inclusion376 decks1.37K decks
22%synergy
Multani, Yavimaya's Avatar
25%inclusion341 decks1.37K decks
23%synergy
Ramunap Excavator
24%inclusion327 decks1.37K decks
17%synergy
Noxious Gearhulk
23%inclusion322 decks1.37K decks
20%synergy
Craterhoof Behemoth
23%inclusion321 decks1.37K decks
16%synergy
Tasigur, the Golden Fang
23%inclusion312 decks1.37K decks
22%synergy
World Shaper
22%inclusion299 decks1.37K decks
19%synergy
Amphin Mutineer
21%inclusion286 decks1.37K decks
20%synergy
Hermit Druid
19%inclusion261 decks1.37K decks
18%synergy
Tormod, the Desecrator
19%inclusion256 decks1.37K decks
18%synergy
Underrealm Lich
18%inclusion250 decks1.37K decks
15%synergy
Birds of Paradise
17%inclusion238 decks1.37K decks
-10%synergy
Lord of Extinction
17%inclusion234 decks1.37K decks
15%synergy
Uro, Titan of Nature's Wrath
16%inclusion225 decks1.37K decks
11%synergy
Lotuslight Dancers
15%inclusion196 decks1.35K decks
13%synergy
Bloodghast
14%inclusion189 decks1.37K decks
11%synergy
Junji, the Midnight Sky
13%inclusion184 decks1.37K decks
11%synergy
Scute Swarm
13%inclusion181 decks1.37K decks
4%synergy
Aesi, Tyrant of Gyre Strait
11%inclusion156 decks1.37K decks
5%synergy
Disciple of Bolas
11%inclusion151 decks1.37K decks
9%synergy
Reassembling Skeleton
10%inclusion137 decks1.37K decks
6%synergy
Lumra, Bellow of the Woods
10%inclusion134 decks1.37K decks
7%synergy
Golgari Grave-Troll
9.0%inclusion124 decks1.37K decks
8%synergy
Overlord of the Balemurk
8.8%inclusion121 decks1.37K decks
7%synergy
Tireless Provisioner
8.7%inclusion120 decks1.37K decks
-2%synergy
Woe Strider
8.6%inclusion118 decks1.37K decks
7%synergy
Instants
Tear Asunder
68%inclusion929 decks1.37K decks
60%synergy
Grapple with the Past
65%inclusion887 decks1.37K decks
63%synergy
Harrow
61%inclusion842 decks1.37K decks
52%synergy
Putrefy
56%inclusion766 decks1.37K decks
40%synergy
Lethal Scheme
55%inclusion761 decks1.37K decks
53%synergy
Assassin's Trophy
51%inclusion703 decks1.37K decks
21%synergy
Grisly Salvage
36%inclusion499 decks1.37K decks
31%synergy
Counterspell
26%inclusion352 decks1.37K decks
-16%synergy
Beast Within
25%inclusion340 decks1.37K decks
-9%synergy
Forbidden Alchemy
23%inclusion320 decks1.37K decks
22%synergy
Entomb
16%inclusion217 decks1.37K decks
9%synergy
An Offer You Can't Refuse
16%inclusion214 decks1.37K decks
-9%synergy
Smuggler's Surprise
11%inclusion154 decks1.37K decks
9%synergy
Heroic Intervention
10%inclusion136 decks1.37K decks
-21%synergy
Arcane Denial
8.3%inclusion114 decks1.37K decks
-12%synergy
Auroral Procession
7.3%inclusion100 decks1.37K decks
5%synergy
Deadly Rollick
6.9%inclusion95 decks1.37K decks
-7%synergy
Swan Song
6.9%inclusion94 decks1.37K decks
-11%synergy
Pile On
5.8%inclusion80 decks1.37K decks
5%synergy
Noxious Revival
5.5%inclusion75 decks1.37K decks
1%synergy
Fell the Profane
5.3%inclusion73 decks1.37K decks
-4%synergy
Cache Grab
5.2%inclusion72 decks1.37K decks
5%synergy
Sorceries
Afterlife from the Loam
68%inclusion938 decks1.37K decks
67%synergy
Reanimate
57%inclusion783 decks1.37K decks
38%synergy
Rampant Growth
57%inclusion783 decks1.37K decks
24%synergy
Welcome the Dead
57%inclusion777 decks1.37K decks
56%synergy
Dread Return
56%inclusion767 decks1.37K decks
51%synergy
Cultivate
47%inclusion641 decks1.37K decks
4%synergy
Treasure Cruise
28%inclusion382 decks1.37K decks
23%synergy
Nature's Lore
26%inclusion361 decks1.37K decks
-5%synergy
Casualties of War
25%inclusion338 decks1.37K decks
20%synergy
Necromantic Selection
25%inclusion337 decks1.37K decks
24%synergy
Three Visits
17%inclusion233 decks1.37K decks
-7%synergy
Toxic Deluge
16%inclusion224 decks1.37K decks
-2%synergy
Buried Alive
13%inclusion176 decks1.37K decks
7%synergy
Malevolent Rumble
11%inclusion155 decks1.37K decks
10%synergy
Bala Ged Recovery
11%inclusion153 decks1.37K decks
3%synergy
Rise of the Dark Realms
10%inclusion133 decks1.37K decks
5%synergy
Death Begets Life
8.7%inclusion119 decks1.37K decks
6%synergy
Breach the Multiverse
6.9%inclusion94 decks1.37K decks
3%synergy
Rise of the Witch-king
6.3%inclusion87 decks1.37K decks
2%synergy
Culling Ritual
5.1%inclusion70 decks1.37K decks
-6%synergy
Utility Artifacts
Hedge Shredder
61%inclusion831 decks1.37K decks
58%synergy
Lightning Greaves
30%inclusion411 decks1.37K decks
5%synergy
Phyrexian Altar
24%inclusion323 decks1.37K decks
20%synergy
Essence Anchor
16%inclusion219 decks1.37K decks
16%synergy
Mesmeric Orb
12%inclusion168 decks1.37K decks
11%synergy
Elixir of Immortality
11%inclusion157 decks1.37K decks
10%synergy
Crucible of Worlds
9.5%inclusion130 decks1.37K decks
7%synergy
Ashnod's Altar
9.5%inclusion130 decks1.37K decks
3%synergy
Cursecloth Wrappings
7.9%inclusion108 decks1.37K decks
7%synergy
Agatha's Soul Cauldron
6.0%inclusion82 decks1.37K decks
5%synergy
Enchantments
Phyrexian Reclamation
68%inclusion927 decks1.37K decks
64%synergy
Tortured Existence
46%inclusion637 decks1.37K decks
44%synergy
Titans' Nest
42%inclusion581 decks1.37K decks
41%synergy
Crawling Sensation
35%inclusion477 decks1.37K decks
34%synergy
Awaken the Honored Dead
26%inclusion360 decks1.37K decks
23%synergy
Animate Dead
23%inclusion321 decks1.37K decks
15%synergy
Glacierwood Siege
11%inclusion157 decks1.37K decks
10%synergy
Oversold Cemetery
8.0%inclusion110 decks1.37K decks
6%synergy
Walk-In Closet // Forgotten Cellar
7.2%inclusion99 decks1.37K decks
5%synergy
Out of the Tombs
6.0%inclusion82 decks1.37K decks
5%synergy
Spelunking
5.8%inclusion80 decks1.37K decks
2%synergy
Exploration
5.2%inclusion72 decks1.37K decks
-3%synergy
Utility Lands
Command Beacon
71%inclusion978 decks1.37K decks
66%synergy
Cephalid Coliseum
67%inclusion916 decks1.37K decks
63%synergy
Memorial to Folly
57%inclusion778 decks1.37K decks
56%synergy
Drownyard Temple
48%inclusion665 decks1.37K decks
48%synergy
Crypt of Agadeem
44%inclusion609 decks1.37K decks
43%synergy
Shifting Woodland
33%inclusion447 decks1.37K decks
26%synergy
Takenuma, Abandoned Mire
25%inclusion346 decks1.37K decks
17%synergy
Boseiju, Who Endures
23%inclusion311 decks1.37K decks
4%synergy
Yavimaya, Cradle of Growth
19%inclusion266 decks1.37K decks
11%synergy
Bojuka Bog
19%inclusion266 decks1.37K decks
-10%synergy
Dakmor Salvage
19%inclusion264 decks1.37K decks
17%synergy
Urborg, Tomb of Yawgmoth
16%inclusion218 decks1.37K decks
7%synergy
Ghost Quarter
15%inclusion205 decks1.37K decks
13%synergy
Otawara, Soaring City
12%inclusion169 decks1.37K decks
-4%synergy
Strip Mine
12%inclusion163 decks1.37K decks
9%synergy
Kishla Village
10%inclusion134 decks1.37K decks
9%synergy
Mistrise Village
9.4%inclusion129 decks1.37K decks
2%synergy
Phyrexian Tower
8.9%inclusion122 decks1.37K decks
0%synergy
Lotus Field
8.7%inclusion120 decks1.37K decks
7%synergy
Mana Artifacts
Sol Ring
91%inclusion1.24K decks1.37K decks
7%synergy
Arcane Signet
82%inclusion1.13K decks1.37K decks
10%synergy
Lands
Command Tower
98%inclusion1.34K decks1.37K decks
23%synergy
Woodland Cemetery
83%inclusion1.14K decks1.37K decks
51%synergy
Hinterland Harbor
81%inclusion1.10K decks1.37K decks
48%synergy
Exotic Orchard
80%inclusion1.10K decks1.37K decks
44%synergy
Dreamroot Cascade
77%inclusion1.06K decks1.37K decks
56%synergy
Opulent Palace
74%inclusion1.01K decks1.37K decks
45%synergy
Llanowar Wastes
68%inclusion933 decks1.37K decks
41%synergy
Sunken Hollow
65%inclusion892 decks1.37K decks
31%synergy
Foreboding Landscape
63%inclusion858 decks1.37K decks
54%synergy
Terramorphic Expanse
52%inclusion715 decks1.37K decks
37%synergy
Watery Grave
52%inclusion710 decks1.37K decks
10%synergy
Golgari Rot Farm
51%inclusion702 decks1.37K decks
34%synergy
Overgrown Tomb
51%inclusion700 decks1.37K decks
10%synergy
Breeding Pool
51%inclusion699 decks1.37K decks
9%synergy
Polluted Delta
46%inclusion625 decks1.37K decks
33%synergy
Zagoth Triome
44%inclusion599 decks1.37K decks
16%synergy
Verdant Catacombs
43%inclusion592 decks1.37K decks
32%synergy
Misty Rainforest
43%inclusion588 decks1.37K decks
31%synergy
Fetid Pools
42%inclusion576 decks1.37K decks
35%synergy
Darkwater Catacombs
38%inclusion521 decks1.37K decks
23%synergy
Myriad Landscape
36%inclusion498 decks1.37K decks
20%synergy
Underground Mortuary
30%inclusion417 decks1.37K decks
18%synergy
Undergrowth Stadium
29%inclusion397 decks1.37K decks
6%synergy
Hedge Maze
29%inclusion394 decks1.37K decks
18%synergy
Haunted Mire
27%inclusion377 decks1.37K decks
21%synergy
Rejuvenating Springs
27%inclusion376 decks1.37K decks
1%synergy
Fabled Passage
27%inclusion367 decks1.37K decks
17%synergy
Undercity Sewers
25%inclusion340 decks1.37K decks
13%synergy
Temple of Malady
25%inclusion340 decks1.37K decks
9%synergy
Morphic Pool
20%inclusion272 decks1.37K decks
-5%synergy
Contaminated Aquifer
17%inclusion235 decks1.37K decks
14%synergy
Drowned Catacomb
16%inclusion223 decks1.37K decks
-13%synergy
Yavimaya Coast
13%inclusion178 decks1.37K decks
-14%synergy
Deathcap Glade
13%inclusion172 decks1.37K decks
-1%synergy
Evolving Wilds
12%inclusion159 decks1.37K decks
-9%synergy
Shipwreck Marsh
11%inclusion154 decks1.37K decks
-7%synergy
Blighted Woodland
10%inclusion136 decks1.37K decks
6%synergy
Underground River
10%inclusion136 decks1.37K decks
-13%synergy
Wastewood Verge
9.5%inclusion130 decks1.37K decks
2%synergy
Bayou
7.9%inclusion109 decks1.37K decks
-5%synergy
Underground Sea
7.7%inclusion105 decks1.37K decks
-7%synergy
Simic Growth Chamber
7.7%inclusion105 decks1.37K decks
-10%synergy
Windswept Heath
7.5%inclusion103 decks1.37K decks
-3%synergy
Tropical Island
7.4%inclusion102 decks1.37K decks
-7%synergy
Willowrush Verge
7.4%inclusion101 decks1.37K decks
0%synergy
Dimir Aqueduct
7.2%inclusion99 decks1.37K decks
-7%synergy
Wooded Foothills
6.8%inclusion93 decks1.37K decks
-4%synergy
Flooded Strand
6.6%inclusion91 decks1.37K decks
-5%synergy
Gloomlake Verge
6.3%inclusion87 decks1.37K decks
-3%synergy
Marsh Flats
6.0%inclusion82 decks1.37K decks
-5%synergy