Mairsil, the Pretender + Endling + Blood Vassal + Triskelion

Mairsil, the Pretender
Endling
Blood Vassal
Triskelion

Requires
Mairsil, the Pretender must be on the battlefield. Endling must be in exile. Blood Vassal must be in exile. Triskelion must be in exile. Mairsil does not have a +1/+1 counter on it. Mana needed:
Steps
  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 Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
  5. Repeat.
Results
Infinite black mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Mairsil, the Pretender
6.70% of 1568 decks 105 decks
New Cards
Marvin, Murderous Mimic
73% of 11 decks +71% synergy
Withering Torment
36% of 11 decks +3% synergy
Blazemire Verge
27% of 11 decks +10% synergy
High Synergy Cards
Aetherling
97% of 105 decks +97% synergy
Quicksilver Elemental
89% of 105 decks +88% synergy
Arcanis the Omnipotent
84% of 105 decks +82% synergy
Nevinyrral's Disk
83% of 105 decks +81% synergy
Asmodeus the Archfiend
76% of 104 decks +75% synergy
Anger
84% of 105 decks +74% synergy
Horseshoe Crab
72% of 105 decks +72% synergy
Torchling
72% of 105 decks +72% synergy
Buried Alive
69% of 105 decks +65% synergy
Cavern Harpy
65% of 105 decks +64% synergy
Top Cards
Gilded Lotus
81% of 105 decks +77% synergy
Faithless Looting
77% of 105 decks +57% synergy
Frantic Search
68% of 105 decks +54% synergy
Oriq Loremage
63% of 104 decks +63% synergy
Blood Pet
62% of 105 decks +62% synergy
Staff of Domination
62% of 105 decks +61% synergy
Hateflayer
61% of 105 decks +61% synergy
Pendant of Prosperity
57% of 105 decks +57% synergy
Tree of Perdition
57% of 105 decks +57% synergy
Counterspell
57% of 105 decks +13% synergy
Creatures
Anthroplasm
41% of 105 decks +41% synergy
Walking Ballista
41% of 105 decks +40% synergy
Spikeshot Elder
39% of 105 decks +39% synergy
Mirror-Mad Phantasm
39% of 105 decks +39% synergy
Jace's Archivist
39% of 105 decks +32% synergy
Sage of Hours
37% of 105 decks +37% synergy
Pili-Pala
37% of 105 decks +37% synergy
Ovinomancer
34% of 105 decks +34% synergy
Morphling
34% of 105 decks +34% synergy
Deathbringer Thoctar
34% of 105 decks +34% synergy
Ulamog's Dreadsire
32% of 22 decks +31% synergy
Cinderhaze Wretch
31% of 105 decks +31% synergy
Crystalline Crawler
29% of 105 decks +28% synergy
Pack Rat
29% of 105 decks +27% synergy
Cephalid Inkshrouder
27% of 105 decks +26% synergy
Mercurial Chemister
25% of 105 decks +24% synergy
Minion of Leshrac
24% of 105 decks +24% synergy
Soliton
23% of 105 decks +23% synergy
Shauku, Endbringer
22% of 105 decks +22% synergy
Deadeye Navigator
22% of 105 decks +20% synergy
Arco-Flagellant
21% of 76 decks +21% synergy
Spark Double
20% of 105 decks +11% synergy
Thassa, Deep-Dwelling
19% of 105 decks +16% synergy
Nightscape Familiar
19% of 105 decks -7% synergy
Avatar of Woe
18% of 105 decks +18% synergy
Thassa's Oracle
18% of 105 decks +10% synergy
Blighted Bat
17% of 105 decks +17% synergy
Goro-Goro, Disciple of Ryusei
16% of 98 decks +15% synergy
Likeness Looter
16% of 43 decks +14% synergy
Eater of the Dead
15% of 105 decks +15% synergy
Magus of the Wheel
14% of 105 decks +7% synergy
Notion Thief
14% of 105 decks +5% synergy
Skyship Stalker
13% of 105 decks +13% synergy
Argent Sphinx
13% of 105 decks +13% synergy
Displacer Kitten
13% of 90 decks +10% synergy
Amaranthine Wall
12% of 105 decks +12% synergy
Argivian Avenger
12% of 75 decks +12% synergy
Patron of the Moon
11% of 105 decks +11% synergy
Dralnu, Lich Lord
11% of 105 decks +11% synergy
Necrotic Ooze
11% of 105 decks +11% synergy
Death Cultist
10% of 105 decks +10% synergy
Skirge Familiar
10% of 105 decks +10% synergy
Doom Whisperer
10% of 105 decks +9% synergy
Laboratory Maniac
10% of 105 decks +8% synergy
Vile Entomber
10% of 104 decks +9% synergy
Knacksaw Clique
10% of 105 decks +9% synergy
Magus of the Bazaar
10% of 105 decks +9% synergy
Azami, Lady of Scrolls
10% of 105 decks +7% synergy
Pestilent Souleater
9% of 105 decks +8% synergy
Grinning Ignus
9% of 105 decks +8% synergy
Instants
Essence Flux
54% of 105 decks +51% synergy
Fact or Fiction
51% of 105 decks +40% synergy
Ghostly Flicker
50% of 105 decks +44% synergy
Thrill of Possibility
48% of 105 decks +39% synergy
Planar Incision
45% of 98 decks +43% synergy
Entomb
45% of 105 decks +38% synergy
Negate
40% of 105 decks +16% synergy
Demand Answers
29% of 34 decks +27% synergy
Blur
29% of 90 decks +28% synergy
Forbidden Alchemy
29% of 105 decks +26% synergy
Teferi's Time Twist
26% of 105 decks +24% synergy
Chaos Warp
26% of 105 decks -15% synergy
Terminate
23% of 105 decks -5% synergy
Izzet Charm
21% of 105 decks +18% synergy
Arcane Denial
21% of 105 decks -7% synergy
Hostile Negotiations
20% of 75 decks +19% synergy
Thought Scour
20% of 105 decks +18% synergy
An Offer You Can't Refuse
20% of 95 decks -2% synergy
Cyclonic Rift
20% of 105 decks -8% synergy
Dispel
18% of 105 decks +14% synergy
Vampiric Tutor
18% of 105 decks -1% synergy
Dark Ritual
18% of 105 decks -12% synergy
Thirst for Knowledge
17% of 105 decks +15% synergy
Evacuation
15% of 105 decks +12% synergy
Reality Shift
15% of 105 decks +9% synergy
Swan Song
14% of 105 decks -3% synergy
Brainstorm
14% of 105 decks -5% synergy
Fierce Guardianship
13% of 105 decks -6% synergy
Bedevil
12% of 105 decks -9% synergy
Sink into Stupor
12% of 25 decks +1% synergy
Maestros Charm
12% of 95 decks +7% synergy
Stubborn Denial
11% of 105 decks +10% synergy
Displace
11% of 105 decks +9% synergy
Mana Drain
11% of 105 decks -5% synergy
Deflecting Swat
11% of 105 decks -5% synergy
Otherworldly Gaze
11% of 100 decks +11% synergy
Opt
10% of 105 decks +6% synergy
Thirst for Discovery
10% of 99 decks +10% synergy
Consider
10% of 100 decks +4% synergy
Force of Will
10% of 105 decks -2% synergy
Mystical Tutor
10% of 105 decks -6% synergy
Rakdos Charm
9% of 105 decks -7% synergy
Red Elemental Blast
8% of 105 decks +2% synergy
Force of Negation
8% of 105 decks -1% synergy
Crosis's Charm
7% of 105 decks +3% synergy
Malakir Rebirth
7% of 105 decks +1% synergy
Flusterstorm
7% of 105 decks -0% synergy
Deadly Rollick
7% of 105 decks -6% synergy
Ancient Excavation
6% of 105 decks +5% synergy
Price of Fame
6% of 105 decks +5% synergy
Sorceries
Windfall
46% of 105 decks +22% synergy
Unmarked Grave
44% of 104 decks +42% synergy
Cathartic Reunion
43% of 105 decks +41% synergy
Blasphemous Act
38% of 105 decks -11% synergy
Final Parting
30% of 105 decks +29% synergy
Feed the Swarm
30% of 105 decks -6% synergy
Ransack the Lab
29% of 105 decks +28% synergy
Reckless Handling
27% of 56 decks +26% synergy
Lively Dirge
27% of 30 decks +24% synergy
Strategic Planning
26% of 105 decks +25% synergy
Splash Portal
23% of 13 decks +21% synergy
Gamble
22% of 105 decks +12% synergy
Demonic Tutor
21% of 105 decks -3% synergy
Tormenting Voice
20% of 105 decks +19% synergy
Treasure Cruise
19% of 105 decks +15% synergy
Whispering Madness
19% of 105 decks +12% synergy
Notion Rain
17% of 105 decks +17% synergy
Careful Study
17% of 105 decks +16% synergy
Vandalblast
16% of 105 decks -2% synergy
Diabolic Tutor
15% of 105 decks +10% synergy
Toxic Deluge
14% of 105 decks -6% synergy
Compulsive Research
13% of 105 decks +13% synergy
Consuming Tide
13% of 99 decks +13% synergy
By Force
11% of 105 decks +11% synergy
Quasiduplicate
11% of 105 decks +10% synergy
Pieces of the Puzzle
10% of 105 decks +9% synergy
Ponder
10% of 105 decks -1% synergy
Chain Reaction
9% of 105 decks +5% synergy
Grim Tutor
8% of 105 decks +3% synergy
Wheel of Misfortune
7% of 104 decks +1% synergy
Irenicus's Vile Duplication
7% of 90 decks +4% synergy
Damnation
7% of 105 decks -4% synergy
Reanimate
7% of 105 decks -14% synergy
Fervent Mastery
6% of 104 decks +6% synergy
Massacre
6% of 105 decks +6% synergy
Twinflame
6% of 105 decks +3% synergy
Dread Return
6% of 105 decks +2% synergy
Decree of Pain
6% of 105 decks -1% synergy
Ringsight
6% of 53 decks -5% synergy
Utility Artifacts
Thousand-Year Elixir
40% of 105 decks +39% synergy
Swiftfoot Boots
30% of 105 decks +4% synergy
Conjurer's Closet
29% of 105 decks +25% synergy
Lightning Greaves
24% of 105 decks -6% synergy
Mirage Mirror
21% of 105 decks +20% synergy
The One Ring
20% of 60 decks +5% synergy
Collector's Vault
20% of 41 decks +18% synergy
The Enigma Jewel
14% of 37 decks +13% synergy
Crystal Shard
13% of 105 decks +12% synergy
Illusionist's Bracers
12% of 105 decks +11% synergy
Agatha's Soul Cauldron
9% of 45 decks +7% synergy
Netherborn Altar
9% of 105 decks +8% synergy
Rings of Brighthearth
9% of 105 decks +7% synergy
Battlemage's Bracers
8% of 104 decks +7% synergy
Magistrate's Scepter
8% of 105 decks +8% synergy
Cauldron of Souls
7% of 105 decks +6% synergy
Mindcrank
7% of 105 decks +4% synergy
Helm of the Host
7% of 105 decks +3% synergy
Wayfarer's Bauble
7% of 105 decks -11% synergy
Phyrexian Altar
6% of 105 decks +2% synergy
Enchantments
Rising of the Day
23% of 53 decks +18% synergy
Rhystic Study
21% of 105 decks -6% synergy
Mystic Remora
18% of 105 decks +2% synergy
Candlekeep Sage
18% of 90 decks +17% synergy
Bitter Reunion
13% of 75 decks +13% synergy
Training Grounds
13% of 105 decks +13% synergy
Propaganda
10% of 105 decks -3% synergy
Fervor
8% of 105 decks +7% synergy
Planeswalkers
Ashiok, Dream Render
12% of 105 decks +10% synergy
Narset, Parter of Veils
10% of 105 decks +5% synergy
Jace, Wielder of Mysteries
8% of 105 decks +6% synergy
Vraska, Betrayal's Sting
6% of 66 decks +5% synergy
Utility Lands
Riptide Laboratory
50% of 105 decks +47% synergy
Bojuka Bog
18% of 105 decks -7% synergy
Command Beacon
17% of 105 decks +12% synergy
Urborg, Tomb of Yawgmoth
14% of 105 decks -1% synergy
Sanctum of Eternity
13% of 105 decks +13% synergy
Desolate Lighthouse
13% of 105 decks +6% synergy
Reliquary Tower
13% of 105 decks -21% synergy
Minamo, School at Water's Edge
12% of 105 decks +10% synergy
Flamekin Village
10% of 105 decks +10% synergy
Geier Reach Sanitarium
9% of 105 decks +1% synergy
Vault of Whispers
8% of 105 decks +2% synergy
Great Furnace
8% of 105 decks +2% synergy
Seat of the Synod
8% of 105 decks +2% synergy
Temple of the False God
8% of 105 decks -2% synergy
Otawara, Soaring City
6% of 98 decks -9% synergy
Mana Artifacts
Sol Ring
90% of 105 decks -0% synergy
Arcane Signet
85% of 105 decks -4% synergy
Izzet Signet
60% of 105 decks +20% synergy
Dimir Signet
58% of 105 decks +15% synergy
Rakdos Signet
50% of 105 decks +8% synergy
Fellwar Stone
49% of 105 decks +13% synergy
Talisman of Creativity
49% of 105 decks +4% synergy
Talisman of Dominance
40% of 105 decks -7% synergy
Talisman of Indulgence
32% of 105 decks -8% synergy
Basalt Monolith
26% of 105 decks +23% synergy
Commander's Sphere
26% of 105 decks -0% synergy
Mind Stone
23% of 105 decks +6% synergy
Relic of Sauron
18% of 49 decks -8% synergy
Coveted Jewel
18% of 105 decks +17% synergy
Patriar's Seal
12% of 90 decks +11% synergy
Ventifact Bottle
8% of 105 decks +8% synergy
Chromatic Lantern
8% of 105 decks -11% synergy
Lotus Petal
7% of 105 decks -2% synergy
Mana Vault
7% of 105 decks -2% synergy
Prismatic Geoscope
6% of 105 decks +6% synergy
Mana Crypt
6% of 105 decks -4% synergy
Lands
Command Tower
84% of 105 decks -8% synergy
Exotic Orchard
70% of 105 decks +13% synergy
Crumbling Necropolis
59% of 105 decks +0% synergy
Sunken Hollow
50% of 105 decks +7% synergy
Smoldering Marsh
45% of 105 decks +6% synergy
Xander's Lounge
39% of 95 decks -5% synergy
Evolving Wilds
38% of 105 decks +11% synergy
Shivan Reef
36% of 105 decks +8% synergy
Terramorphic Expanse
35% of 105 decks +12% synergy
Watery Grave
34% of 105 decks -11% synergy
Blood Crypt
33% of 105 decks -10% synergy
Steam Vents
32% of 105 decks -11% synergy
Sulfur Falls
30% of 105 decks -13% synergy
Bloodstained Mire
29% of 105 decks -2% synergy
Drowned Catacomb
29% of 105 decks -11% synergy
Training Center
27% of 104 decks -8% synergy
Scalding Tarn
27% of 105 decks -4% synergy
Polluted Delta
26% of 105 decks -5% synergy
Dimir Aqueduct
25% of 105 decks +10% synergy
Underground River
25% of 105 decks -0% synergy
Morphic Pool
25% of 105 decks -10% synergy
Dragonskull Summit
25% of 105 decks -17% synergy
Maestros Theater
24% of 95 decks +10% synergy
Izzet Boilerworks
23% of 105 decks +8% synergy
Luxury Suite
23% of 105 decks -11% synergy
Rakdos Carnarium
22% of 105 decks +8% synergy
Undercity Sewers
22% of 32 decks +6% synergy
Seething Landscape
21% of 24 decks -12% synergy
Path of Ancestry
19% of 105 decks -14% synergy
Thundering Falls
19% of 32 decks +6% synergy
Darkwater Catacombs
18% of 105 decks +6% synergy
Temple of Deceit
16% of 105 decks +1% synergy
Temple of Epiphany
16% of 105 decks -1% synergy
Raucous Theater
16% of 32 decks +2% synergy
River of Tears
15% of 105 decks +13% synergy
Bloodfell Caves
15% of 105 decks +10% synergy
Dismal Backwater
15% of 105 decks +8% synergy
City of Brass
15% of 105 decks +2% synergy
Sulfurous Springs
15% of 105 decks -9% synergy
Swiftwater Cliffs
14% of 105 decks +7% synergy
Verdant Catacombs
14% of 105 decks +5% synergy
Choked Estuary
14% of 105 decks -4% synergy
Misty Rainforest
13% of 105 decks +3% synergy
Temple of Malice
13% of 105 decks -1% synergy
Shadowblood Ridge
12% of 105 decks +2% synergy
Stormcarved Coast
12% of 99 decks -10% synergy
Shipwreck Marsh
12% of 100 decks -13% synergy
Ash Barrens
11% of 105 decks +6% synergy
Marsh Flats
11% of 105 decks +1% synergy
Haunted Ridge
11% of 100 decks -9% synergy