Mairsil, the Pretender
Blood Vassal
Endling
Workhorse

   Prerequisites

What do I need to start this combo?
Mairsil on the battlefield.
All other permanents in exile.
Mairsil does not have a +1/+1 counter on it.
available

   Steps

How does this combo work?
1
Activate Mairsil using Endling's third ability by paying , giving Mairsil undying until end of turn.
2
Activate Mairsil using Blood Vassal's ability by sacrificing it, adding .
3
Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4
Activate Mairsil using Workhorse's ability by removing a +1/+1 counter from it, adding .
5
Repeat.

   Results

What do I get from this combo?
Infinite black mana
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Marchesa, the Black Rose
0.0%inclusion1 decks13.2K decks
Creatures
Anger
67%inclusion2 decks3 decks
56%synergy
Arcanis the Omnipotent
67%inclusion2 decks3 decks
66%synergy
Blighted Bat
67%inclusion2 decks3 decks
67%synergy
Cinderhaze Wretch
67%inclusion2 decks3 decks
67%synergy
Displacer Kitten
67%inclusion2 decks3 decks
61%synergy
Eater of the Dead
67%inclusion2 decks3 decks
66%synergy
Horseshoe Crab
67%inclusion2 decks3 decks
66%synergy
Marvin, Murderous Mimic
67%inclusion2 decks3 decks
66%synergy
Morphling
67%inclusion2 decks3 decks
66%synergy
Necrotic Ooze
67%inclusion2 decks3 decks
66%synergy
Quicksilver Elemental
67%inclusion2 decks3 decks
66%synergy
Crystalline Crawler
67%inclusion2 decks3 decks
66%synergy
Walking Ballista
67%inclusion2 decks3 decks
66%synergy
Vivi Ornitier
50%inclusion1 decks2 decks
42%synergy
Iron Spider, Stark Upgrade
50%inclusion1 decks2 decks
50%synergy
O'aka, Traveling Merchant
50%inclusion1 decks2 decks
50%synergy
Pactdoll Terror
50%inclusion1 decks2 decks
50%synergy
Steelswarm Operator
50%inclusion1 decks2 decks
50%synergy
Weftstalker Ardent
50%inclusion1 decks2 decks
49%synergy
Arco-Flagellant
33%inclusion1 decks3 decks
33%synergy
Argivian Avenger
33%inclusion1 decks3 decks
33%synergy
Cephalid Inkshrouder
33%inclusion1 decks3 decks
33%synergy
Crosis's Attendant
33%inclusion1 decks3 decks
33%synergy
Fulminator Mage
33%inclusion1 decks3 decks
33%synergy
Goro-Goro, Disciple of Ryusei
33%inclusion1 decks3 decks
33%synergy
Hateflayer
33%inclusion1 decks3 decks
33%synergy
Hex Parasite
33%inclusion1 decks3 decks
33%synergy
Jace's Archivist
33%inclusion1 decks3 decks
27%synergy
Laboratory Maniac
33%inclusion1 decks3 decks
30%synergy
Magus of the Bazaar
33%inclusion1 decks3 decks
33%synergy
Minion of Leshrac
33%inclusion1 decks3 decks
33%synergy
Patron of the Moon
33%inclusion1 decks3 decks
33%synergy
Pinnacle Monk
33%inclusion1 decks3 decks
29%synergy
Torchling
33%inclusion1 decks3 decks
33%synergy
Witch-king of Angmar
33%inclusion1 decks3 decks
28%synergy
Aetherling
33%inclusion1 decks3 decks
33%synergy
Alchemist's Apprentice
33%inclusion1 decks3 decks
33%synergy
Anthroplasm
33%inclusion1 decks3 decks
33%synergy
Blood Pet
33%inclusion1 decks3 decks
33%synergy
Cavern Harpy
33%inclusion1 decks3 decks
33%synergy
Nightscape Familiar
33%inclusion1 decks3 decks
6%synergy
Oriq Loremage
33%inclusion1 decks3 decks
33%synergy
Ovinomancer
33%inclusion1 decks3 decks
33%synergy
Sage of Hours
33%inclusion1 decks3 decks
33%synergy
Sakashima of a Thousand Faces
33%inclusion1 decks3 decks
30%synergy
Shauku, Endbringer
33%inclusion1 decks3 decks
33%synergy
Spark Double
33%inclusion1 decks3 decks
25%synergy
Tree of Perdition
33%inclusion1 decks3 decks
33%synergy
Triskelion
33%inclusion1 decks3 decks
33%synergy
Ulamog's Dreadsire
33%inclusion1 decks3 decks
33%synergy
Instants
Frantic Search
67%inclusion2 decks3 decks
46%synergy
Counterspell
33%inclusion1 decks3 decks
-11%synergy
Fell the Profane
33%inclusion1 decks3 decks
25%synergy
Maestros Charm
33%inclusion1 decks3 decks
30%synergy
Negate
33%inclusion1 decks3 decks
11%synergy
Rush of Inspiration
33%inclusion1 decks3 decks
33%synergy
Stubborn Denial
33%inclusion1 decks3 decks
32%synergy
Valakut Awakening
33%inclusion1 decks3 decks
30%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
3%synergy
Brainstorm
33%inclusion1 decks3 decks
16%synergy
Chaos Warp
33%inclusion1 decks3 decks
-1%synergy
Dark Ritual
33%inclusion1 decks3 decks
-4%synergy
Deadly Rollick
33%inclusion1 decks3 decks
16%synergy
Entomb
33%inclusion1 decks3 decks
28%synergy
Essence Flux
33%inclusion1 decks3 decks
27%synergy
Force of Negation
33%inclusion1 decks3 decks
25%synergy
Ghostly Flicker
33%inclusion1 decks3 decks
27%synergy
Izzet Charm
33%inclusion1 decks3 decks
31%synergy
Malakir Rebirth
33%inclusion1 decks3 decks
27%synergy
Mana Drain
33%inclusion1 decks3 decks
18%synergy
Planar Incision
33%inclusion1 decks3 decks
31%synergy
Death Denied
33%inclusion1 decks3 decks
33%synergy
Sorceries
Blasphemous Act
67%inclusion2 decks3 decks
22%synergy
Blasphemous Edict
67%inclusion2 decks3 decks
61%synergy
Faithless Looting
67%inclusion2 decks3 decks
47%synergy
Ransack the Lab
67%inclusion2 decks3 decks
67%synergy
Cathartic Reunion
33%inclusion1 decks3 decks
32%synergy
Damnation
33%inclusion1 decks3 decks
26%synergy
Strategic Planning
33%inclusion1 decks3 decks
33%synergy
Sundering Eruption
33%inclusion1 decks3 decks
31%synergy
Windfall
33%inclusion1 decks3 decks
10%synergy
Careful Study
33%inclusion1 decks3 decks
31%synergy
Gamble
33%inclusion1 decks3 decks
23%synergy
Quantum Misalignment
33%inclusion1 decks3 decks
32%synergy
Tome Scour
33%inclusion1 decks3 decks
33%synergy
Unmarked Grave
33%inclusion1 decks3 decks
32%synergy
Utility Artifacts
Thousand-Year Elixir
67%inclusion2 decks3 decks
66%synergy
The Fire Crystal
50%inclusion1 decks2 decks
48%synergy
Pendant of Prosperity
33%inclusion1 decks3 decks
33%synergy
Agatha's Soul Cauldron
33%inclusion1 decks3 decks
33%synergy
Altar of Dementia
33%inclusion1 decks3 decks
32%synergy
Altar of the Brood
33%inclusion1 decks3 decks
33%synergy
Lithoform Engine
33%inclusion1 decks3 decks
31%synergy
Nevinyrral's Disk
33%inclusion1 decks3 decks
32%synergy
Panharmonicon
33%inclusion1 decks3 decks
28%synergy
The One Ring
33%inclusion1 decks3 decks
21%synergy
Ashnod's Altar
33%inclusion1 decks3 decks
28%synergy
Phyrexian Altar
33%inclusion1 decks3 decks
30%synergy
Enchantments
Haunted One
33%inclusion1 decks3 decks
33%synergy
Ripples of Undeath
33%inclusion1 decks3 decks
32%synergy
Rising of the Day
33%inclusion1 decks3 decks
31%synergy
Intruder Alarm
33%inclusion1 decks3 decks
33%synergy
Artifacts
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Dimir Signet
67%inclusion2 decks3 decks
32%synergy
Izzet Signet
67%inclusion2 decks3 decks
35%synergy
Thousand-Year Elixir
67%inclusion2 decks3 decks
66%synergy
The Fire Crystal
50%inclusion1 decks2 decks
48%synergy
Arcane Signet
33%inclusion1 decks3 decks
-55%synergy
Commander's Sphere
33%inclusion1 decks3 decks
15%synergy
Coveted Jewel
33%inclusion1 decks3 decks
32%synergy
Cursed Mirror
33%inclusion1 decks3 decks
28%synergy
Eye of Ramos
33%inclusion1 decks3 decks
33%synergy
Gilded Lotus
33%inclusion1 decks3 decks
30%synergy
Heart of Ramos
33%inclusion1 decks3 decks
33%synergy
Machine God's Effigy
33%inclusion1 decks3 decks
31%synergy
Pendant of Prosperity
33%inclusion1 decks3 decks
33%synergy
Rakdos Signet
33%inclusion1 decks3 decks
1%synergy
Relic of Sauron
33%inclusion1 decks3 decks
14%synergy
Skull of Ramos
33%inclusion1 decks3 decks
33%synergy
Agatha's Soul Cauldron
33%inclusion1 decks3 decks
33%synergy
Altar of Dementia
33%inclusion1 decks3 decks
32%synergy
Altar of the Brood
33%inclusion1 decks3 decks
33%synergy
Lithoform Engine
33%inclusion1 decks3 decks
31%synergy
Lotus Petal
33%inclusion1 decks3 decks
23%synergy
Nevinyrral's Disk
33%inclusion1 decks3 decks
32%synergy
Panharmonicon
33%inclusion1 decks3 decks
28%synergy
The One Ring
33%inclusion1 decks3 decks
21%synergy
Ashnod's Altar
33%inclusion1 decks3 decks
28%synergy
Phyrexian Altar
33%inclusion1 decks3 decks
30%synergy
Utility Lands
Mistrise Village
50%inclusion1 decks2 decks
42%synergy
Bojuka Bog
33%inclusion1 decks3 decks
9%synergy
Mystic Sanctuary
33%inclusion1 decks3 decks
29%synergy
Reliquary Tower
33%inclusion1 decks3 decks
-2%synergy
Spinerock Knoll
33%inclusion1 decks3 decks
33%synergy
Arena of Glory
33%inclusion1 decks3 decks
28%synergy
Command Beacon
33%inclusion1 decks3 decks
28%synergy
Great Furnace
33%inclusion1 decks3 decks
28%synergy
Minamo, School at Water's Edge
33%inclusion1 decks3 decks
31%synergy
Otawara, Soaring City
33%inclusion1 decks3 decks
18%synergy
Riptide Laboratory
33%inclusion1 decks3 decks
30%synergy
Sanctum of Eternity
33%inclusion1 decks3 decks
33%synergy
Seat of the Synod
33%inclusion1 decks3 decks
28%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
20%synergy
Urza's Saga
33%inclusion1 decks3 decks
28%synergy
Vault of Whispers
33%inclusion1 decks3 decks
28%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Dimir Signet
67%inclusion2 decks3 decks
32%synergy
Izzet Signet
67%inclusion2 decks3 decks
35%synergy
Arcane Signet
33%inclusion1 decks3 decks
-55%synergy
Commander's Sphere
33%inclusion1 decks3 decks
15%synergy
Coveted Jewel
33%inclusion1 decks3 decks
32%synergy
Cursed Mirror
33%inclusion1 decks3 decks
28%synergy
Eye of Ramos
33%inclusion1 decks3 decks
33%synergy
Gilded Lotus
33%inclusion1 decks3 decks
30%synergy
Heart of Ramos
33%inclusion1 decks3 decks
33%synergy
Machine God's Effigy
33%inclusion1 decks3 decks
31%synergy
Rakdos Signet
33%inclusion1 decks3 decks
1%synergy
Relic of Sauron
33%inclusion1 decks3 decks
14%synergy
Skull of Ramos
33%inclusion1 decks3 decks
33%synergy
Lotus Petal
33%inclusion1 decks3 decks
23%synergy
Lands
Blood Crypt
100%inclusion3 decks3 decks
54%synergy
Command Tower
100%inclusion3 decks3 decks
8%synergy
Dragonskull Summit
100%inclusion3 decks3 decks
54%synergy
Drowned Catacomb
100%inclusion3 decks3 decks
57%synergy
Steam Vents
100%inclusion3 decks3 decks
54%synergy
Sulfur Falls
100%inclusion3 decks3 decks
53%synergy
Oscorp Industries
100%inclusion1 decks1 decks
89%synergy
Blazemire Verge
67%inclusion2 decks3 decks
57%synergy
Crumbling Necropolis
67%inclusion2 decks3 decks
14%synergy
Gloomlake Verge
67%inclusion2 decks3 decks
58%synergy
Haunted Ridge
67%inclusion2 decks3 decks
46%synergy
Shipwreck Marsh
67%inclusion2 decks3 decks
42%synergy
Stormcarved Coast
67%inclusion2 decks3 decks
41%synergy
Watery Grave
67%inclusion2 decks3 decks
19%synergy
Xander's Lounge
67%inclusion2 decks3 decks
27%synergy
Bloodstained Mire
67%inclusion2 decks3 decks
31%synergy
Luxury Suite
67%inclusion2 decks3 decks
35%synergy
Morphic Pool
67%inclusion2 decks3 decks
35%synergy
Polluted Delta
67%inclusion2 decks3 decks
32%synergy
Scalding Tarn
67%inclusion2 decks3 decks
34%synergy
Dimir Aqueduct
33%inclusion1 decks3 decks
22%synergy
Exotic Orchard
33%inclusion1 decks3 decks
-23%synergy
Fabled Passage
33%inclusion1 decks3 decks
26%synergy
Izzet Boilerworks
33%inclusion1 decks3 decks
23%synergy
Path of Ancestry
33%inclusion1 decks3 decks
3%synergy
Rakdos Carnarium
33%inclusion1 decks3 decks
23%synergy
Raucous Theater
33%inclusion1 decks3 decks
23%synergy
Temple of Epiphany
33%inclusion1 decks3 decks
20%synergy
Temple of Malice
33%inclusion1 decks3 decks
22%synergy
Thundering Falls
33%inclusion1 decks3 decks
23%synergy
Training Center
33%inclusion1 decks3 decks
2%synergy
Undercity Sewers
33%inclusion1 decks3 decks
21%synergy
Foreboding Ruins
33%inclusion1 decks3 decks
15%synergy
Riverpyre Verge
33%inclusion1 decks3 decks
26%synergy