Mairsil, the Pretender
Endling
Cauldron of Souls
Blood Pet
Thousand-Year Elixir

   Prerequisites

What do I need to start this combo?
Mairsil and Thousand-Year Elixir on the battlefield.
All other permanents in exile.

   Steps

How does this combo work?
1
Activate Mairsil using Cauldron of Souls' ability by tapping it, giving itself persist until end of turn.
2
Activate Mairsil using Blood Pet's ability by sacrificing it, adding .
3
When Mairsil dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
4
Activate Mairsil using Endling's third ability by paying , giving Mairsil undying until end of turn.
5
Activate Mairsil using Blood Pet's ability by sacrificing it, adding .
6
When Mairsil dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7
Repeat.

   Results

What do I get from this combo?
Infinite black mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Mairsil, the Pretender
0.4%inclusion7 decks1.82K decks
High Synergy Cards
Torchling
100%inclusion7 decks7 decks
100%synergy
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100%inclusion7 decks7 decks
99%synergy
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86%inclusion6 decks7 decks
86%synergy
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86%inclusion6 decks7 decks
85%synergy
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86%inclusion6 decks7 decks
85%synergy
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85%synergy
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Top Cards
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Creatures
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Terminate
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Sorceries
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Morality Shift
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Careful Study
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Whispering Madness
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Vandalblast
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Utility Artifacts
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13%synergy
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28%synergy
Conjurer's Closet
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Panharmonicon
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23%synergy
Swiftfoot Boots
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Illusionist's Bracers
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13%synergy
Elixir of Immortality
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Rings of Brighthearth
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13%synergy
Sword of the Animist
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Lithoform Engine
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Phyrexian Altar
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Wayfarer's Bauble
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Enchantments
Training Grounds
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28%synergy
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Rising of the Day
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Planeswalkers
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14%inclusion1 decks7 decks
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13%synergy
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13%synergy
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14%inclusion1 decks7 decks
12%synergy
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11%synergy
Utility Lands
Riptide Laboratory
57%inclusion4 decks7 decks
53%synergy
Minamo, School at Water's Edge
43%inclusion3 decks7 decks
40%synergy
Great Furnace
43%inclusion3 decks7 decks
38%synergy
Seat of the Synod
43%inclusion3 decks7 decks
37%synergy
Vault of Whispers
29%inclusion2 decks7 decks
23%synergy
Desolate Lighthouse
29%inclusion2 decks7 decks
22%synergy
Urborg, Tomb of Yawgmoth
29%inclusion2 decks7 decks
14%synergy
Otawara, Soaring City
29%inclusion2 decks7 decks
13%synergy
Bojuka Bog
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4%synergy
Reliquary Tower
29%inclusion2 decks7 decks
-7%synergy
Tocasia's Dig Site
14%inclusion1 decks7 decks
14%synergy
Flamekin Village
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14%synergy
Sanctum of Eternity
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14%synergy
Tyrite Sanctum
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14%synergy
Darksteel Citadel
14%inclusion1 decks7 decks
12%synergy
Field of Ruin
14%inclusion1 decks7 decks
11%synergy
Command Beacon
14%inclusion1 decks7 decks
10%synergy
Phyrexian Tower
14%inclusion1 decks7 decks
9%synergy
Temple of the False God
14%inclusion1 decks7 decks
6%synergy
Mana Artifacts
Gilded Lotus
100%inclusion7 decks7 decks
97%synergy
Sol Ring
100%inclusion7 decks7 decks
10%synergy
Arcane Signet
86%inclusion6 decks7 decks
-2%synergy
Fellwar Stone
71%inclusion5 decks7 decks
36%synergy
Talisman of Creativity
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27%synergy
Talisman of Dominance
71%inclusion5 decks7 decks
22%synergy
Talisman of Indulgence
57%inclusion4 decks7 decks
15%synergy
Coveted Jewel
43%inclusion3 decks7 decks
42%synergy
Izzet Signet
43%inclusion3 decks7 decks
9%synergy
Dimir Signet
43%inclusion3 decks7 decks
6%synergy
Chromatic Orrery
29%inclusion2 decks7 decks
28%synergy
Rakdos Signet
29%inclusion2 decks7 decks
-7%synergy
Ventifact Bottle
14%inclusion1 decks7 decks
14%synergy
Nyx Lotus
14%inclusion1 decks7 decks
14%synergy
Staff of Compleation
14%inclusion1 decks7 decks
14%synergy
Dreamstone Hedron
14%inclusion1 decks7 decks
14%synergy
Lotus Bloom
14%inclusion1 decks7 decks
13%synergy
Sky Diamond
14%inclusion1 decks7 decks
13%synergy
Sol Talisman
14%inclusion1 decks7 decks
12%synergy
Basalt Monolith
14%inclusion1 decks7 decks
12%synergy
Machine God's Effigy
14%inclusion1 decks7 decks
12%synergy
Thran Dynamo
14%inclusion1 decks7 decks
9%synergy
Mind Stone
14%inclusion1 decks7 decks
0%synergy
Commander's Sphere
14%inclusion1 decks7 decks
-7%synergy
Lands
Xander's Lounge
71%inclusion5 decks7 decks
31%synergy
Steam Vents
71%inclusion5 decks7 decks
28%synergy
Watery Grave
71%inclusion5 decks7 decks
25%synergy
Command Tower
71%inclusion5 decks7 decks
-20%synergy
Blood Crypt
57%inclusion4 decks7 decks
13%synergy
Exotic Orchard
57%inclusion4 decks7 decks
1%synergy
Thundering Falls
43%inclusion3 decks7 decks
33%synergy
Volcanic Island
43%inclusion3 decks7 decks
28%synergy
Underground Sea
43%inclusion3 decks7 decks
28%synergy
Badlands
43%inclusion3 decks7 decks
28%synergy
Terramorphic Expanse
43%inclusion3 decks7 decks
22%synergy
Haunted Ridge
43%inclusion3 decks7 decks
21%synergy
Stormcarved Coast
43%inclusion3 decks7 decks
18%synergy
Shipwreck Marsh
43%inclusion3 decks7 decks
18%synergy
Underground River
43%inclusion3 decks7 decks
16%synergy
Shivan Reef
43%inclusion3 decks7 decks
14%synergy
Scalding Tarn
43%inclusion3 decks7 decks
11%synergy
Luxury Suite
43%inclusion3 decks7 decks
11%synergy
Training Center
43%inclusion3 decks7 decks
10%synergy
Polluted Delta
43%inclusion3 decks7 decks
9%synergy
Bloodstained Mire
43%inclusion3 decks7 decks
9%synergy
Smoldering Marsh
43%inclusion3 decks7 decks
5%synergy
Sunken Hollow
43%inclusion3 decks7 decks
2%synergy
Drowned Catacomb
43%inclusion3 decks7 decks
1%synergy
Dragonskull Summit
43%inclusion3 decks7 decks
-2%synergy
Sulfur Falls
43%inclusion3 decks7 decks
-3%synergy
Crumbling Necropolis
43%inclusion3 decks7 decks
-12%synergy
Grixis Panorama
29%inclusion2 decks7 decks
25%synergy
Mistvault Bridge
29%inclusion2 decks7 decks
25%synergy
Maestros Theater
29%inclusion2 decks7 decks
19%synergy
Raucous Theater
29%inclusion2 decks7 decks
18%synergy
Undercity Sewers
29%inclusion2 decks7 decks
16%synergy
Temple of Epiphany
29%inclusion2 decks7 decks
14%synergy
Evolving Wilds
29%inclusion2 decks7 decks
4%synergy
Sulfurous Springs
29%inclusion2 decks7 decks
2%synergy
Morphic Pool
29%inclusion2 decks7 decks
-4%synergy
Scene of the Crime
14%inclusion1 decks7 decks
14%synergy
Power Depot
14%inclusion1 decks7 decks
14%synergy
Cinder Barrens
14%inclusion1 decks7 decks
13%synergy
Demolition Field
14%inclusion1 decks7 decks
13%synergy
River of Tears
14%inclusion1 decks7 decks
12%synergy
Molten Tributary
14%inclusion1 decks7 decks
12%synergy
Spirebluff Canal
14%inclusion1 decks7 decks
11%synergy
Prismatic Vista
14%inclusion1 decks7 decks
11%synergy
Drossforge Bridge
14%inclusion1 decks7 decks
10%synergy
Thriving Isle
14%inclusion1 decks7 decks
10%synergy
Silverbluff Bridge
14%inclusion1 decks7 decks
10%synergy
Tainted Isle
14%inclusion1 decks7 decks
10%synergy
Fetid Pools
14%inclusion1 decks7 decks
10%synergy
Graven Cairns
14%inclusion1 decks7 decks
8%synergy