Mairsil, the Pretender
Endling
Blood Vassal
Crystalline Crawler

   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 Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding one mana of any color.
5
Repeat.

   Results

What do I get from this combo?
Infinite colored mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Mairsil, the Pretender
4.3%inclusion85 decks1.98K decks
Marchesa, the Black Rose
0.0%inclusion1 decks12.6K decks
New Cards
Henchbots
5.9%inclusion1 decks17 decks
6%synergy
Mouser Foundry
5.9%inclusion1 decks17 decks
6%synergy
Sewer-veillance Cam
5.9%inclusion1 decks17 decks
5%synergy
TCRI Building
5.9%inclusion1 decks17 decks
5%synergy
Mondo Gecko
3.7%inclusion1 decks27 decks
4%synergy
High Synergy Cards
Aetherling
93%inclusion80 decks86 decks
93%synergy
Buried Alive
84%inclusion72 decks86 decks
80%synergy
Arcanis the Omnipotent
77%inclusion66 decks86 decks
76%synergy
Nevinyrral's Disk
74%inclusion64 decks86 decks
73%synergy
Quicksilver Elemental
73%inclusion63 decks86 decks
73%synergy
Staff of Domination
72%inclusion62 decks86 decks
72%synergy
Anger
81%inclusion70 decks86 decks
71%synergy
Asmodeus the Archfiend
67%inclusion58 decks86 decks
67%synergy
Faithless Looting
84%inclusion72 decks86 decks
64%synergy
Pendant of Prosperity
64%inclusion55 decks86 decks
64%synergy
Top Cards
Frantic Search
72%inclusion62 decks86 decks
52%synergy
Oriq Loremage
64%inclusion55 decks86 decks
63%synergy
Cavern Harpy
63%inclusion54 decks86 decks
62%synergy
Morphling
62%inclusion53 decks86 decks
61%synergy
Torchling
62%inclusion53 decks86 decks
61%synergy
Essence Flux
60%inclusion52 decks86 decks
55%synergy
Entomb
57%inclusion49 decks86 decks
51%synergy
Unmarked Grave
52%inclusion45 decks86 decks
51%synergy
Marvin, Murderous Mimic
50%inclusion39 decks78 decks
50%synergy
Horseshoe Crab
49%inclusion42 decks86 decks
49%synergy
Game Changers
Gamble
38%inclusion33 decks86 decks
28%synergy
Demonic Tutor
34%inclusion29 decks86 decks
13%synergy
Rhystic Study
24%inclusion21 decks86 decks
1%synergy
Cyclonic Rift
23%inclusion20 decks86 decks
2%synergy
Vampiric Tutor
22%inclusion19 decks86 decks
6%synergy
Fierce Guardianship
20%inclusion17 decks86 decks
0%synergy
Gifts Ungiven
16%inclusion14 decks86 decks
14%synergy
The One Ring
14%inclusion12 decks86 decks
1%synergy
Intuition
13%inclusion11 decks86 decks
11%synergy
Narset, Parter of Veils
5.8%inclusion5 decks86 decks
3%synergy
Creatures
Hateflayer
49%inclusion42 decks86 decks
49%synergy
Triskelion
48%inclusion41 decks86 decks
47%synergy
Walking Ballista
47%inclusion40 decks86 decks
46%synergy
Tree of Perdition
44%inclusion38 decks86 decks
44%synergy
Blood Pet
44%inclusion38 decks86 decks
44%synergy
Pili-Pala
41%inclusion35 decks86 decks
40%synergy
Pack Rat
38%inclusion33 decks86 decks
36%synergy
Cinderhaze Wretch
35%inclusion30 decks86 decks
35%synergy
Shauku, Endbringer
35%inclusion30 decks86 decks
35%synergy
Eater of the Dead
33%inclusion28 decks86 decks
32%synergy
Jace's Archivist
31%inclusion27 decks86 decks
25%synergy
Ovinomancer
30%inclusion26 decks86 decks
30%synergy
Mirror-Mad Phantasm
27%inclusion23 decks86 decks
27%synergy
Spikeshot Elder
26%inclusion22 decks86 decks
25%synergy
Spark Double
26%inclusion22 decks86 decks
18%synergy
Dralnu, Lich Lord
24%inclusion21 decks86 decks
24%synergy
Minion of Leshrac
21%inclusion18 decks86 decks
21%synergy
Cephalid Inkshrouder
21%inclusion18 decks86 decks
21%synergy
Necrotic Ooze
21%inclusion18 decks86 decks
21%synergy
Deathbringer Thoctar
21%inclusion18 decks86 decks
21%synergy
Galecaster Colossus
21%inclusion18 decks86 decks
20%synergy
Memnarch
20%inclusion17 decks86 decks
20%synergy
Azami, Lady of Scrolls
20%inclusion17 decks86 decks
18%synergy
Ulamog's Dreadsire
19%inclusion16 decks83 decks
19%synergy
Joo Dee, One of Many
19%inclusion7 decks37 decks
19%synergy
Displacer Kitten
19%inclusion16 decks86 decks
13%synergy
Vivi Ornitier
18%inclusion10 decks57 decks
10%synergy
Anthroplasm
16%inclusion14 decks86 decks
16%synergy
Avatar of Woe
16%inclusion14 decks86 decks
16%synergy
Blighted Bat
15%inclusion13 decks86 decks
15%synergy
Sage of Hours
15%inclusion13 decks86 decks
15%synergy
Deadeye Navigator
15%inclusion13 decks86 decks
13%synergy
Nightscape Familiar
15%inclusion13 decks86 decks
-12%synergy
Myr Propagator
14%inclusion12 decks86 decks
14%synergy
Arco-Flagellant
14%inclusion12 decks86 decks
14%synergy
Argent Sphinx
14%inclusion12 decks86 decks
14%synergy
Magus of the Bazaar
14%inclusion12 decks86 decks
14%synergy
Mercurial Chemister
14%inclusion12 decks86 decks
14%synergy
Goro-Goro, Disciple of Ryusei
14%inclusion12 decks86 decks
13%synergy
Death Cultist
13%inclusion11 decks86 decks
13%synergy
Chainer, Dementia Master
13%inclusion11 decks86 decks
13%synergy
Doom Whisperer
12%inclusion10 decks86 decks
11%synergy
Argivian Avenger
10%inclusion9 decks86 decks
10%synergy
Walking Atlas
10%inclusion9 decks86 decks
10%synergy
Sakashima of a Thousand Faces
10%inclusion9 decks86 decks
8%synergy
Farmstead Gleaner
9.3%inclusion8 decks86 decks
9%synergy
Patron of the Moon
9.3%inclusion8 decks86 decks
9%synergy
Thassa, Deep-Dwelling
9.3%inclusion8 decks86 decks
6%synergy
Skyship Stalker
8.1%inclusion7 decks86 decks
8%synergy
Soliton
8.1%inclusion7 decks86 decks
8%synergy
Instants
Fact or Fiction
49%inclusion42 decks86 decks
42%synergy
Counterspell
42%inclusion36 decks86 decks
-2%synergy
Planar Incision
40%inclusion34 decks86 decks
37%synergy
Thrill of Possibility
40%inclusion34 decks86 decks
28%synergy
An Offer You Can't Refuse
34%inclusion29 decks86 decks
4%synergy
Ghostly Flicker
31%inclusion27 decks86 decks
25%synergy
Teferi's Time Twist
30%inclusion26 decks86 decks
28%synergy
Arcane Denial
30%inclusion26 decks86 decks
2%synergy
Negate
26%inclusion22 decks86 decks
3%synergy
Chaos Warp
24%inclusion21 decks86 decks
-11%synergy
Blur
21%inclusion18 decks86 decks
19%synergy
Forbidden Alchemy
21%inclusion18 decks86 decks
19%synergy
Demand Answers
21%inclusion18 decks86 decks
16%synergy
Deflecting Swat
21%inclusion18 decks86 decks
2%synergy
Stubborn Denial
19%inclusion16 decks86 decks
17%synergy
Lim-Dûl's Vault
19%inclusion16 decks86 decks
16%synergy
Swan Song
19%inclusion16 decks86 decks
-1%synergy
Malakir Rebirth
17%inclusion15 decks86 decks
11%synergy
Deadly Rollick
16%inclusion14 decks86 decks
-1%synergy
Withering Torment
15%inclusion12 decks78 decks
3%synergy
Mana Drain
15%inclusion13 decks86 decks
-1%synergy
Dark Ritual
15%inclusion13 decks86 decks
-22%synergy
Thirst for Knowledge
14%inclusion12 decks86 decks
12%synergy
Crosis's Charm
14%inclusion12 decks86 decks
11%synergy
Bedevil
13%inclusion11 decks86 decks
-3%synergy
Mission Briefing
12%inclusion10 decks86 decks
11%synergy
Izzet Charm
12%inclusion10 decks86 decks
9%synergy
Reality Shift
12%inclusion10 decks86 decks
7%synergy
Brainstorm
12%inclusion10 decks86 decks
-6%synergy
Terminate
12%inclusion10 decks86 decks
-14%synergy
Thought Scour
9.3%inclusion8 decks86 decks
8%synergy
Drown in the Loch
9.3%inclusion8 decks86 decks
6%synergy
Baleful Mastery
9.3%inclusion8 decks86 decks
6%synergy
Force of Will
9.3%inclusion8 decks86 decks
-1%synergy
Big Score
9.3%inclusion8 decks86 decks
-3%synergy
Redirect Lightning
8.5%inclusion4 decks47 decks
0%synergy
Siren's Ruse
8.1%inclusion7 decks86 decks
7%synergy
Resculpt
8.1%inclusion7 decks86 decks
6%synergy
Maestros Charm
8.1%inclusion7 decks86 decks
5%synergy
Pact of Negation
8.1%inclusion7 decks86 decks
0%synergy
Ancient Excavation
7.0%inclusion6 decks86 decks
6%synergy
Displace
7.0%inclusion6 decks86 decks
5%synergy
Evacuation
7.0%inclusion6 decks86 decks
4%synergy
Go for the Throat
7.0%inclusion6 decks86 decks
1%synergy
Force of Negation
7.0%inclusion6 decks86 decks
-1%synergy
Strix Serenade
6.0%inclusion5 decks84 decks
3%synergy
Sink into Stupor
6.0%inclusion5 decks84 decks
-4%synergy
Divert
5.8%inclusion5 decks86 decks
6%synergy
Tolarian Winds
5.8%inclusion5 decks86 decks
5%synergy
Bitter Triumph
5.8%inclusion5 decks86 decks
3%synergy
Sorceries
Windfall
42%inclusion36 decks86 decks
18%synergy
Blasphemous Act
38%inclusion33 decks86 decks
-6%synergy
Careful Study
36%inclusion31 decks86 decks
34%synergy
Cathartic Reunion
28%inclusion24 decks86 decks
26%synergy
Toxic Deluge
26%inclusion22 decks86 decks
5%synergy
Final Parting
22%inclusion19 decks86 decks
21%synergy
Feed the Swarm
22%inclusion19 decks86 decks
-6%synergy
Lively Dirge
19%inclusion16 decks86 decks
17%synergy
Tormenting Voice
16%inclusion14 decks86 decks
15%synergy
Strategic Planning
13%inclusion11 decks86 decks
12%synergy
Reckless Handling
13%inclusion11 decks86 decks
12%synergy
Wheel of Fortune
13%inclusion11 decks86 decks
3%synergy
Vandalblast
13%inclusion11 decks86 decks
-3%synergy
Ransack the Lab
10%inclusion9 decks86 decks
10%synergy
Reanimate
10%inclusion9 decks86 decks
-14%synergy
Splash Portal
10%inclusion8 decks83 decks
9%synergy
Compulsive Research
8.1%inclusion7 decks86 decks
8%synergy
Consuming Tide
7.0%inclusion6 decks86 decks
7%synergy
Irenicus's Vile Duplication
7.0%inclusion6 decks86 decks
4%synergy
Preordain
7.0%inclusion6 decks86 decks
1%synergy
Notion Rain
5.8%inclusion5 decks86 decks
6%synergy
Grim Tutor
5.8%inclusion5 decks86 decks
2%synergy
Diabolic Tutor
5.8%inclusion5 decks86 decks
1%synergy
Whispering Madness
5.8%inclusion5 decks86 decks
-1%synergy
Damnation
5.8%inclusion5 decks86 decks
-2%synergy
Blasphemous Edict
5.4%inclusion4 decks74 decks
-1%synergy
Utility Artifacts
Thousand-Year Elixir
47%inclusion40 decks86 decks
46%synergy
Lightning Greaves
31%inclusion27 decks86 decks
2%synergy
Mirage Mirror
29%inclusion25 decks86 decks
28%synergy
Conjurer's Closet
28%inclusion24 decks86 decks
24%synergy
Swiftfoot Boots
20%inclusion17 decks86 decks
-7%synergy
Cauldron of Souls
13%inclusion11 decks86 decks
13%synergy
Battlemage's Bracers
13%inclusion11 decks86 decks
13%synergy
Sting, the Glinting Dagger
9.3%inclusion8 decks86 decks
9%synergy
Agatha's Soul Cauldron
7.0%inclusion6 decks86 decks
6%synergy
Phyrexian Altar
7.0%inclusion6 decks86 decks
4%synergy
Panharmonicon
7.0%inclusion6 decks86 decks
2%synergy
Wishclaw Talisman
7.0%inclusion6 decks86 decks
-1%synergy
The Enigma Jewel
5.8%inclusion5 decks86 decks
6%synergy
Mesmeric Orb
5.8%inclusion5 decks86 decks
5%synergy
Encroaching Mycosynth
5.8%inclusion5 decks86 decks
5%synergy
Illusionist's Bracers
5.8%inclusion5 decks86 decks
5%synergy
Lithoform Engine
5.8%inclusion5 decks86 decks
3%synergy
The Fire Crystal
5.3%inclusion3 decks57 decks
3%synergy
Enchantments
Training Grounds
26%inclusion22 decks86 decks
25%synergy
Candlekeep Sage
21%inclusion18 decks86 decks
21%synergy
Rising of the Day
19%inclusion16 decks86 decks
16%synergy
Mystic Remora
17%inclusion15 decks86 decks
2%synergy
Propaganda
12%inclusion10 decks86 decks
-2%synergy
Ripples of Undeath
11%inclusion9 decks84 decks
10%synergy
Fervor
7.0%inclusion6 decks86 decks
6%synergy
Planeswalkers
Nicol Bolas, Dragon-God
5.8%inclusion5 decks86 decks
3%synergy
Utility Lands
Riptide Laboratory
50%inclusion43 decks86 decks
46%synergy
Minamo, School at Water's Edge
26%inclusion22 decks86 decks
23%synergy
Bojuka Bog
23%inclusion20 decks86 decks
-1%synergy
Command Beacon
22%inclusion19 decks86 decks
17%synergy
Urborg, Tomb of Yawgmoth
16%inclusion14 decks86 decks
2%synergy
Reliquary Tower
16%inclusion14 decks86 decks
-19%synergy
Desolate Lighthouse
13%inclusion11 decks86 decks
7%synergy
Otawara, Soaring City
13%inclusion11 decks86 decks
-3%synergy
Hanweir Battlements
12%inclusion10 decks86 decks
11%synergy
Flamekin Village
10%inclusion9 decks86 decks
10%synergy
Sanctum of Eternity
10%inclusion9 decks86 decks
10%synergy
Mistrise Village
10%inclusion6 decks61 decks
2%synergy
Seat of the Synod
9.3%inclusion8 decks86 decks
4%synergy
Great Furnace
8.1%inclusion7 decks86 decks
3%synergy
Vault of Whispers
8.1%inclusion7 decks86 decks
3%synergy
Arena of Glory
6.0%inclusion5 decks83 decks
1%synergy
Hall of the Bandit Lord
5.8%inclusion5 decks86 decks
5%synergy
Geier Reach Sanitarium
5.8%inclusion5 decks86 decks
-1%synergy
Mana Artifacts
Sol Ring
84%inclusion72 decks86 decks
-6%synergy
Gilded Lotus
80%inclusion69 decks86 decks
77%synergy
Arcane Signet
79%inclusion68 decks86 decks
-9%synergy
Fellwar Stone
52%inclusion45 decks86 decks
17%synergy
Talisman of Creativity
45%inclusion39 decks86 decks
1%synergy
Talisman of Dominance
45%inclusion39 decks86 decks
-4%synergy
Dimir Signet
41%inclusion35 decks86 decks
6%synergy
Izzet Signet
38%inclusion33 decks86 decks
6%synergy
Talisman of Indulgence
37%inclusion32 decks86 decks
-6%synergy
Coveted Jewel
27%inclusion23 decks86 decks
26%synergy
Rakdos Signet
26%inclusion22 decks86 decks
-7%synergy
Relic of Sauron
21%inclusion18 decks86 decks
2%synergy
Commander's Sphere
21%inclusion18 decks86 decks
2%synergy
Basalt Monolith
16%inclusion14 decks86 decks
14%synergy
Lotus Petal
15%inclusion13 decks86 decks
5%synergy
Mind Stone
15%inclusion13 decks86 decks
2%synergy
Skull of Ramos
14%inclusion12 decks86 decks
14%synergy
Patriar's Seal
7.0%inclusion6 decks86 decks
7%synergy
Darksteel Ingot
7.0%inclusion6 decks86 decks
6%synergy
Thought Vessel
7.0%inclusion6 decks86 decks
-15%synergy
Mox Opal
5.8%inclusion5 decks86 decks
-2%synergy
Mana Vault
5.8%inclusion5 decks86 decks
-3%synergy
Chromatic Lantern
5.8%inclusion5 decks86 decks
-8%synergy
Lands
Command Tower
86%inclusion74 decks86 decks
-6%synergy
Sulfur Falls
57%inclusion49 decks86 decks
10%synergy
Exotic Orchard
56%inclusion48 decks86 decks
-1%synergy
Drowned Catacomb
52%inclusion45 decks86 decks
10%synergy
Steam Vents
52%inclusion45 decks86 decks
7%synergy
Blood Crypt
51%inclusion44 decks86 decks
6%synergy
Watery Grave
49%inclusion42 decks86 decks
1%synergy
Scalding Tarn
44%inclusion38 decks86 decks
12%synergy
Polluted Delta
44%inclusion38 decks86 decks
9%synergy
Smoldering Marsh
44%inclusion38 decks86 decks
7%synergy
Xander's Lounge
44%inclusion38 decks86 decks
4%synergy
Bloodstained Mire
43%inclusion37 decks86 decks
8%synergy
Crumbling Necropolis
42%inclusion36 decks86 decks
-11%synergy
Dragonskull Summit
41%inclusion35 decks86 decks
-4%synergy
Training Center
36%inclusion31 decks86 decks
4%synergy
Sunken Hollow
36%inclusion31 decks86 decks
-3%synergy
Shivan Reef
33%inclusion28 decks86 decks
3%synergy
Morphic Pool
33%inclusion28 decks86 decks
1%synergy
Underground River
29%inclusion25 decks86 decks
1%synergy
Luxury Suite
29%inclusion25 decks86 decks
-2%synergy
Thundering Falls
24%inclusion21 decks86 decks
14%synergy
Evolving Wilds
24%inclusion21 decks86 decks
1%synergy
Sulfurous Springs
24%inclusion21 decks86 decks
-3%synergy
Raucous Theater
23%inclusion20 decks86 decks
13%synergy
Terramorphic Expanse
23%inclusion20 decks86 decks
4%synergy
Path of Ancestry
21%inclusion18 decks86 decks
-10%synergy
Undercity Sewers
19%inclusion16 decks86 decks
6%synergy
Shipwreck Marsh
17%inclusion15 decks86 decks
-7%synergy
Stormcarved Coast
17%inclusion15 decks86 decks
-8%synergy
Dimir Aqueduct
16%inclusion14 decks86 decks
5%synergy
Flooded Strand
15%inclusion13 decks86 decks
4%synergy
Izzet Boilerworks
15%inclusion13 decks86 decks
4%synergy
Temple of Deceit
15%inclusion13 decks86 decks
2%synergy
Haunted Ridge
15%inclusion13 decks86 decks
-6%synergy
Seething Landscape
13%inclusion11 decks84 decks
-4%synergy
Misty Rainforest
13%inclusion11 decks86 decks
3%synergy
Rakdos Carnarium
13%inclusion11 decks86 decks
2%synergy
Volcanic Island
13%inclusion11 decks86 decks
-2%synergy
Foreboding Ruins
13%inclusion11 decks86 decks
-5%synergy
Verdant Catacombs
12%inclusion10 decks86 decks
2%synergy
Marsh Flats
12%inclusion10 decks86 decks
2%synergy
City of Brass
12%inclusion10 decks86 decks
-2%synergy
Temple of Epiphany
12%inclusion10 decks86 decks
-3%synergy
Underground Sea
12%inclusion10 decks86 decks
-4%synergy
Badlands
12%inclusion10 decks86 decks
-4%synergy
Choked Estuary
12%inclusion10 decks86 decks
-6%synergy
River of Tears
10%inclusion9 decks86 decks
8%synergy
Maestros Theater
10%inclusion9 decks86 decks
2%synergy
Temple of Malice
10%inclusion9 decks86 decks
-1%synergy
Mana Confluence
10%inclusion9 decks86 decks
-1%synergy