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
0.3%inclusion6 decks1.81K decks
High Synergy Cards
Torchling
100%inclusion6 decks6 decks
100%synergy
Oriq Loremage
100%inclusion6 decks6 decks
99%synergy
Blood Vassal
83%inclusion5 decks6 decks
83%synergy
Horseshoe Crab
83%inclusion5 decks6 decks
83%synergy
Hateflayer
83%inclusion5 decks6 decks
83%synergy
Cavern Harpy
83%inclusion5 decks6 decks
83%synergy
Quicksilver Elemental
83%inclusion5 decks6 decks
83%synergy
Pendant of Prosperity
83%inclusion5 decks6 decks
83%synergy
Aetherling
83%inclusion5 decks6 decks
83%synergy
Staff of Domination
83%inclusion5 decks6 decks
83%synergy
Top Cards
Nevinyrral's Disk
83%inclusion5 decks6 decks
82%synergy
Arcanis the Omnipotent
83%inclusion5 decks6 decks
82%synergy
Buried Alive
83%inclusion5 decks6 decks
80%synergy
Cinderhaze Wretch
67%inclusion4 decks6 decks
67%synergy
Anthroplasm
67%inclusion4 decks6 decks
67%synergy
Morphling
67%inclusion4 decks6 decks
66%synergy
Asmodeus the Archfiend
67%inclusion4 decks6 decks
66%synergy
Tree of Perdition
67%inclusion4 decks6 decks
66%synergy
Walking Ballista
67%inclusion4 decks6 decks
66%synergy
Entomb
67%inclusion4 decks6 decks
61%synergy
Game Changers
Intuition
50%inclusion3 decks6 decks
48%synergy
The One Ring
33%inclusion2 decks6 decks
20%synergy
Fierce Guardianship
33%inclusion2 decks6 decks
14%synergy
Demonic Tutor
33%inclusion2 decks6 decks
12%synergy
Cyclonic Rift
33%inclusion2 decks6 decks
11%synergy
Gifts Ungiven
17%inclusion1 decks6 decks
15%synergy
Lion's Eye Diamond
17%inclusion1 decks6 decks
10%synergy
Imperial Seal
17%inclusion1 decks6 decks
9%synergy
Gamble
17%inclusion1 decks6 decks
7%synergy
Vampiric Tutor
17%inclusion1 decks6 decks
0%synergy
Creatures
Anger
67%inclusion4 decks6 decks
56%synergy
Sage of Hours
50%inclusion3 decks6 decks
50%synergy
Spikeshot Elder
50%inclusion3 decks6 decks
50%synergy
Argent Sphinx
50%inclusion3 decks6 decks
50%synergy
Magus of the Bazaar
50%inclusion3 decks6 decks
50%synergy
Crystalline Crawler
50%inclusion3 decks6 decks
50%synergy
Deathbringer Thoctar
50%inclusion3 decks6 decks
50%synergy
Triskelion
50%inclusion3 decks6 decks
50%synergy
Pack Rat
50%inclusion3 decks6 decks
48%synergy
Ulamog's Dreadsire
40%inclusion2 decks5 decks
40%synergy
Death Cultist
33%inclusion2 decks6 decks
33%synergy
Blighted Bat
33%inclusion2 decks6 decks
33%synergy
Soul of New Phyrexia
33%inclusion2 decks6 decks
33%synergy
Soliton
33%inclusion2 decks6 decks
33%synergy
Ovinomancer
33%inclusion2 decks6 decks
33%synergy
Cephalid Inkshrouder
33%inclusion2 decks6 decks
33%synergy
Eater of the Dead
33%inclusion2 decks6 decks
33%synergy
Shauku, Endbringer
33%inclusion2 decks6 decks
33%synergy
Pili-Pala
33%inclusion2 decks6 decks
33%synergy
Goro-Goro, Disciple of Ryusei
33%inclusion2 decks6 decks
32%synergy
Galecaster Colossus
33%inclusion2 decks6 decks
32%synergy
Jace's Archivist
33%inclusion2 decks6 decks
27%synergy
Marvin, Murderous Mimic
25%inclusion1 decks4 decks
25%synergy
Kitsa, Otterball Elite
20%inclusion1 decks5 decks
19%synergy
Ghost-Lit Warder
17%inclusion1 decks6 decks
17%synergy
Darting Merfolk
17%inclusion1 decks6 decks
17%synergy
Crimson Mage
17%inclusion1 decks6 decks
17%synergy
Skill Borrower
17%inclusion1 decks6 decks
17%synergy
Mogg Fanatic
17%inclusion1 decks6 decks
17%synergy
Carnifex Demon
17%inclusion1 decks6 decks
17%synergy
Triskelavus
17%inclusion1 decks6 decks
17%synergy
Argivian Avenger
17%inclusion1 decks6 decks
17%synergy
Infernal Denizen
17%inclusion1 decks6 decks
17%synergy
Knacksaw Clique
17%inclusion1 decks6 decks
17%synergy
Skyship Stalker
17%inclusion1 decks6 decks
17%synergy
Patron of the Moon
17%inclusion1 decks6 decks
17%synergy
Arco-Flagellant
17%inclusion1 decks6 decks
17%synergy
Dralnu, Lich Lord
17%inclusion1 decks6 decks
17%synergy
Alchemist's Apprentice
17%inclusion1 decks6 decks
17%synergy
Kozilek, the Great Distortion
17%inclusion1 decks6 decks
17%synergy
Mirror-Mad Phantasm
17%inclusion1 decks6 decks
17%synergy
Minion of Leshrac
17%inclusion1 decks6 decks
17%synergy
Necrotic Ooze
17%inclusion1 decks6 decks
16%synergy
Merfolk Looter
17%inclusion1 decks6 decks
16%synergy
Avatar of Woe
17%inclusion1 decks6 decks
16%synergy
Corpse Connoisseur
17%inclusion1 decks6 decks
16%synergy
Mercurial Chemister
17%inclusion1 decks6 decks
16%synergy
Fatestitcher
17%inclusion1 decks6 decks
16%synergy
Omen Hawker
17%inclusion1 decks6 decks
16%synergy
Vile Entomber
17%inclusion1 decks6 decks
16%synergy
Instants
Fact or Fiction
67%inclusion4 decks6 decks
59%synergy
Frantic Search
67%inclusion4 decks6 decks
48%synergy
Terminate
33%inclusion2 decks6 decks
7%synergy
Counterspell
33%inclusion2 decks6 decks
-11%synergy
Steam Augury
17%inclusion1 decks6 decks
16%synergy
Capsize
17%inclusion1 decks6 decks
16%synergy
First Day of Class
17%inclusion1 decks6 decks
16%synergy
Thirst for Discovery
17%inclusion1 decks6 decks
16%synergy
Wild Ricochet
17%inclusion1 decks6 decks
16%synergy
Stifle
17%inclusion1 decks6 decks
16%synergy
Tolarian Winds
17%inclusion1 decks6 decks
16%synergy
Counterflux
17%inclusion1 decks6 decks
16%synergy
Disallow
17%inclusion1 decks6 decks
15%synergy
Thought Scour
17%inclusion1 decks6 decks
15%synergy
Thirst for Knowledge
17%inclusion1 decks6 decks
15%synergy
Planar Incision
17%inclusion1 decks6 decks
15%synergy
Izzet Charm
17%inclusion1 decks6 decks
14%synergy
Demand Answers
17%inclusion1 decks6 decks
12%synergy
Ghostly Flicker
17%inclusion1 decks6 decks
10%synergy
Fell the Profane
17%inclusion1 decks6 decks
8%synergy
Lightning Bolt
17%inclusion1 decks6 decks
7%synergy
Sink into Stupor
17%inclusion1 decks6 decks
7%synergy
Mana Drain
17%inclusion1 decks6 decks
1%synergy
Brainstorm
17%inclusion1 decks6 decks
0%synergy
Deflecting Swat
17%inclusion1 decks6 decks
-2%synergy
An Offer You Can't Refuse
17%inclusion1 decks6 decks
-12%synergy
Chaos Warp
17%inclusion1 decks6 decks
-20%synergy
Sorceries
Faithless Looting
67%inclusion4 decks6 decks
47%synergy
Windfall
67%inclusion4 decks6 decks
43%synergy
Unmarked Grave
50%inclusion3 decks6 decks
48%synergy
Cathartic Reunion
50%inclusion3 decks6 decks
48%synergy
Toxic Deluge
33%inclusion2 decks6 decks
13%synergy
Blasphemous Act
33%inclusion2 decks6 decks
-12%synergy
Morality Shift
17%inclusion1 decks6 decks
17%synergy
Ransack the Lab
17%inclusion1 decks6 decks
17%synergy
Flux
17%inclusion1 decks6 decks
16%synergy
Strategic Planning
17%inclusion1 decks6 decks
16%synergy
Reckless Handling
17%inclusion1 decks6 decks
16%synergy
Molten Collapse
17%inclusion1 decks6 decks
16%synergy
Bone Shards
17%inclusion1 decks6 decks
16%synergy
Necromantic Selection
17%inclusion1 decks6 decks
16%synergy
Final Parting
17%inclusion1 decks6 decks
16%synergy
Seize the Spoils
17%inclusion1 decks6 decks
15%synergy
Grim Tutor
17%inclusion1 decks6 decks
13%synergy
Torment of Hailfire
17%inclusion1 decks6 decks
12%synergy
Wheel of Misfortune
17%inclusion1 decks6 decks
12%synergy
Night's Whisper
17%inclusion1 decks6 decks
12%synergy
Reforge the Soul
17%inclusion1 decks6 decks
12%synergy
Diabolic Tutor
17%inclusion1 decks6 decks
12%synergy
Whispering Madness
17%inclusion1 decks6 decks
10%synergy
Ponder
17%inclusion1 decks6 decks
8%synergy
Wheel of Fortune
17%inclusion1 decks6 decks
7%synergy
Vandalblast
17%inclusion1 decks6 decks
0%synergy
Feed the Swarm
17%inclusion1 decks6 decks
-13%synergy
Utility Artifacts
Lightning Greaves
50%inclusion3 decks6 decks
20%synergy
Collector's Vault
33%inclusion2 decks6 decks
33%synergy
Mirage Mirror
33%inclusion2 decks6 decks
32%synergy
Panharmonicon
33%inclusion2 decks6 decks
28%synergy
Swiftfoot Boots
33%inclusion2 decks6 decks
7%synergy
Magistrate's Scepter
17%inclusion1 decks6 decks
17%synergy
Erratic Portal
17%inclusion1 decks6 decks
17%synergy
Netherborn Altar
17%inclusion1 decks6 decks
17%synergy
The Enigma Jewel
17%inclusion1 decks6 decks
16%synergy
Crystal Shard
17%inclusion1 decks6 decks
16%synergy
Agatha's Soul Cauldron
17%inclusion1 decks6 decks
16%synergy
Elixir of Immortality
17%inclusion1 decks6 decks
16%synergy
Sword of the Animist
17%inclusion1 decks6 decks
15%synergy
Lithoform Engine
17%inclusion1 decks6 decks
14%synergy
Phyrexian Altar
17%inclusion1 decks6 decks
13%synergy
Conjurer's Closet
17%inclusion1 decks6 decks
13%synergy
Strionic Resonator
17%inclusion1 decks6 decks
12%synergy
Wayfarer's Bauble
17%inclusion1 decks6 decks
4%synergy
Enchantments
Candlekeep Sage
17%inclusion1 decks6 decks
16%synergy
Training Grounds
17%inclusion1 decks6 decks
16%synergy
Rising of the Day
17%inclusion1 decks6 decks
13%synergy
Propaganda
17%inclusion1 decks6 decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
17%inclusion1 decks6 decks
16%synergy
Daretti, Scrap Savant
17%inclusion1 decks6 decks
15%synergy
Ashiok, Dream Render
17%inclusion1 decks6 decks
15%synergy
Nicol Bolas, Dragon-God
17%inclusion1 decks6 decks
14%synergy
Utility Lands
Riptide Laboratory
50%inclusion3 decks6 decks
46%synergy
Great Furnace
50%inclusion3 decks6 decks
45%synergy
Seat of the Synod
50%inclusion3 decks6 decks
44%synergy
Minamo, School at Water's Edge
33%inclusion2 decks6 decks
31%synergy
Vault of Whispers
33%inclusion2 decks6 decks
28%synergy
Desolate Lighthouse
33%inclusion2 decks6 decks
27%synergy
Urborg, Tomb of Yawgmoth
33%inclusion2 decks6 decks
19%synergy
Bojuka Bog
33%inclusion2 decks6 decks
9%synergy
Tocasia's Dig Site
17%inclusion1 decks6 decks
17%synergy
Flamekin Village
17%inclusion1 decks6 decks
16%synergy
Tyrite Sanctum
17%inclusion1 decks6 decks
16%synergy
Darksteel Citadel
17%inclusion1 decks6 decks
15%synergy
Field of Ruin
17%inclusion1 decks6 decks
14%synergy
Phyrexian Tower
17%inclusion1 decks6 decks
11%synergy
Temple of the False God
17%inclusion1 decks6 decks
8%synergy
Otawara, Soaring City
17%inclusion1 decks6 decks
1%synergy
Reliquary Tower
17%inclusion1 decks6 decks
-19%synergy
Mana Artifacts
Gilded Lotus
100%inclusion6 decks6 decks
97%synergy
Sol Ring
100%inclusion6 decks6 decks
10%synergy
Arcane Signet
83%inclusion5 decks6 decks
-5%synergy
Fellwar Stone
67%inclusion4 decks6 decks
31%synergy
Talisman of Indulgence
67%inclusion4 decks6 decks
24%synergy
Talisman of Creativity
67%inclusion4 decks6 decks
22%synergy
Talisman of Dominance
67%inclusion4 decks6 decks
17%synergy
Coveted Jewel
50%inclusion3 decks6 decks
49%synergy
Izzet Signet
50%inclusion3 decks6 decks
16%synergy
Dimir Signet
50%inclusion3 decks6 decks
13%synergy
Chromatic Orrery
33%inclusion2 decks6 decks
33%synergy
Rakdos Signet
33%inclusion2 decks6 decks
-1%synergy
Ventifact Bottle
17%inclusion1 decks6 decks
17%synergy
Staff of Compleation
17%inclusion1 decks6 decks
16%synergy
Dreamstone Hedron
17%inclusion1 decks6 decks
16%synergy
Lotus Bloom
17%inclusion1 decks6 decks
16%synergy
Sky Diamond
17%inclusion1 decks6 decks
15%synergy
Sol Talisman
17%inclusion1 decks6 decks
15%synergy
Basalt Monolith
17%inclusion1 decks6 decks
14%synergy
Machine God's Effigy
17%inclusion1 decks6 decks
14%synergy
Thran Dynamo
17%inclusion1 decks6 decks
12%synergy
Mind Stone
17%inclusion1 decks6 decks
3%synergy
Commander's Sphere
17%inclusion1 decks6 decks
-4%synergy
Lands
Xander's Lounge
67%inclusion4 decks6 decks
26%synergy
Steam Vents
67%inclusion4 decks6 decks
23%synergy
Watery Grave
67%inclusion4 decks6 decks
20%synergy
Command Tower
67%inclusion4 decks6 decks
-25%synergy
Volcanic Island
50%inclusion3 decks6 decks
35%synergy
Underground Sea
50%inclusion3 decks6 decks
35%synergy
Badlands
50%inclusion3 decks6 decks
35%synergy
Haunted Ridge
50%inclusion3 decks6 decks
28%synergy
Shipwreck Marsh
50%inclusion3 decks6 decks
25%synergy
Stormcarved Coast
50%inclusion3 decks6 decks
25%synergy
Scalding Tarn
50%inclusion3 decks6 decks
18%synergy
Polluted Delta
50%inclusion3 decks6 decks
16%synergy
Bloodstained Mire
50%inclusion3 decks6 decks
15%synergy
Smoldering Marsh
50%inclusion3 decks6 decks
12%synergy
Sunken Hollow
50%inclusion3 decks6 decks
10%synergy
Drowned Catacomb
50%inclusion3 decks6 decks
8%synergy
Blood Crypt
50%inclusion3 decks6 decks
6%synergy
Dragonskull Summit
50%inclusion3 decks6 decks
6%synergy
Sulfur Falls
50%inclusion3 decks6 decks
4%synergy
Crumbling Necropolis
50%inclusion3 decks6 decks
-5%synergy
Exotic Orchard
50%inclusion3 decks6 decks
-7%synergy
Grixis Panorama
33%inclusion2 decks6 decks
30%synergy
Mistvault Bridge
33%inclusion2 decks6 decks
29%synergy
Thundering Falls
33%inclusion2 decks6 decks
23%synergy
Temple of Epiphany
33%inclusion2 decks6 decks
18%synergy
Terramorphic Expanse
33%inclusion2 decks6 decks
13%synergy
Evolving Wilds
33%inclusion2 decks6 decks
9%synergy
Underground River
33%inclusion2 decks6 decks
6%synergy
Shivan Reef
33%inclusion2 decks6 decks
4%synergy
Luxury Suite
33%inclusion2 decks6 decks
1%synergy
Morphic Pool
33%inclusion2 decks6 decks
1%synergy
Training Center
33%inclusion2 decks6 decks
1%synergy
Scene of the Crime
17%inclusion1 decks6 decks
16%synergy
Power Depot
17%inclusion1 decks6 decks
16%synergy
Cinder Barrens
17%inclusion1 decks6 decks
16%synergy
Demolition Field
17%inclusion1 decks6 decks
15%synergy
Molten Tributary
17%inclusion1 decks6 decks
15%synergy
River of Tears
17%inclusion1 decks6 decks
15%synergy
Spirebluff Canal
17%inclusion1 decks6 decks
13%synergy
Prismatic Vista
17%inclusion1 decks6 decks
13%synergy
Drossforge Bridge
17%inclusion1 decks6 decks
13%synergy
Thriving Isle
17%inclusion1 decks6 decks
13%synergy
Silverbluff Bridge
17%inclusion1 decks6 decks
13%synergy
Tainted Isle
17%inclusion1 decks6 decks
12%synergy
Fetid Pools
17%inclusion1 decks6 decks
12%synergy
Graven Cairns
17%inclusion1 decks6 decks
10%synergy
Fabled Passage
17%inclusion1 decks6 decks
10%synergy
Maestros Theater
17%inclusion1 decks6 decks
7%synergy
Marsh Flats
17%inclusion1 decks6 decks
6%synergy
Myriad Landscape
17%inclusion1 decks6 decks
6%synergy