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
6.47% of 1576 decks 102 decks
New Cards
Marvin, Murderous Mimic
75% of 8 decks +73% synergy
Blazemire Verge
38% of 8 decks +19% synergy
High Synergy Cards
Aetherling
97% of 102 decks +96% synergy
Quicksilver Elemental
88% of 102 decks +88% synergy
Nevinyrral's Disk
84% of 102 decks +83% synergy
Arcanis the Omnipotent
83% of 102 decks +82% synergy
Asmodeus the Archfiend
76% of 100 decks +75% synergy
Anger
84% of 102 decks +75% synergy
Torchling
74% of 102 decks +73% synergy
Horseshoe Crab
73% of 102 decks +72% synergy
Buried Alive
70% of 102 decks +66% synergy
Cavern Harpy
65% of 102 decks +64% synergy
Top Cards
Gilded Lotus
81% of 102 decks +77% synergy
Faithless Looting
76% of 102 decks +57% synergy
Frantic Search
67% of 102 decks +53% synergy
Oriq Loremage
65% of 100 decks +64% synergy
Hateflayer
63% of 102 decks +62% synergy
Blood Pet
62% of 102 decks +61% synergy
Staff of Domination
61% of 102 decks +60% synergy
Tree of Perdition
58% of 102 decks +57% synergy
Counterspell
58% of 102 decks +13% synergy
Pendant of Prosperity
57% of 102 decks +56% synergy
Creatures
Anthroplasm
42% of 102 decks +42% synergy
Walking Ballista
40% of 102 decks +40% synergy
Jace's Archivist
40% of 102 decks +33% synergy
Mirror-Mad Phantasm
39% of 102 decks +39% synergy
Sage of Hours
38% of 102 decks +38% synergy
Spikeshot Elder
38% of 102 decks +38% synergy
Pili-Pala
38% of 102 decks +38% synergy
Ovinomancer
35% of 102 decks +35% synergy
Morphling
34% of 102 decks +34% synergy
Ulamog's Dreadsire
33% of 18 decks +33% synergy
Deathbringer Thoctar
32% of 102 decks +32% synergy
Cinderhaze Wretch
31% of 102 decks +31% synergy
Crystalline Crawler
30% of 102 decks +30% synergy
Pack Rat
30% of 102 decks +29% synergy
Minion of Leshrac
25% of 102 decks +25% synergy
Cephalid Inkshrouder
25% of 102 decks +24% synergy
Mercurial Chemister
25% of 102 decks +24% synergy
Soliton
24% of 102 decks +23% synergy
Shauku, Endbringer
24% of 102 decks +23% synergy
Deadeye Navigator
23% of 102 decks +21% synergy
Arco-Flagellant
21% of 72 decks +21% synergy
Spark Double
21% of 102 decks +12% synergy
Nightscape Familiar
21% of 102 decks -5% synergy
Likeness Looter
21% of 39 decks +19% synergy
Thassa, Deep-Dwelling
19% of 101 decks +15% synergy
Thassa's Oracle
19% of 101 decks +10% synergy
Avatar of Woe
19% of 102 decks +18% synergy
Blighted Bat
18% of 102 decks +18% synergy
Goro-Goro, Disciple of Ryusei
17% of 94 decks +15% synergy
Eater of the Dead
16% of 102 decks +15% synergy
Magus of the Wheel
16% of 102 decks +8% synergy
Argent Sphinx
15% of 102 decks +15% synergy
Notion Thief
15% of 102 decks +5% synergy
Displacer Kitten
13% of 86 decks +9% synergy
Skyship Stalker
13% of 102 decks +13% synergy
Argivian Avenger
13% of 71 decks +13% synergy
Death Cultist
12% of 102 decks +12% synergy
Amaranthine Wall
12% of 102 decks +12% synergy
Patron of the Moon
11% of 102 decks +11% synergy
Dralnu, Lich Lord
11% of 102 decks +11% synergy
Skirge Familiar
11% of 102 decks +11% synergy
Doom Whisperer
11% of 102 decks +9% synergy
Laboratory Maniac
11% of 102 decks +9% synergy
Knacksaw Clique
10% of 102 decks +10% synergy
Magus of the Bazaar
10% of 102 decks +10% synergy
Grinning Ignus
10% of 102 decks +10% synergy
Necrotic Ooze
10% of 102 decks +10% synergy
Azami, Lady of Scrolls
10% of 102 decks +8% synergy
Pestilent Souleater
9% of 102 decks +9% synergy
Vile Entomber
8% of 100 decks +7% synergy
Instants
Essence Flux
54% of 102 decks +51% synergy
Ghostly Flicker
52% of 102 decks +45% synergy
Fact or Fiction
51% of 102 decks +39% synergy
Thrill of Possibility
48% of 102 decks +40% synergy
Entomb
44% of 102 decks +38% synergy
Planar Incision
44% of 94 decks +42% synergy
Negate
39% of 102 decks +15% synergy
Demand Answers
30% of 30 decks +27% synergy
Forbidden Alchemy
28% of 102 decks +26% synergy
Blur
28% of 86 decks +27% synergy
Chaos Warp
26% of 102 decks -14% synergy
Teferi's Time Twist
25% of 102 decks +23% synergy
Terminate
22% of 102 decks -7% synergy
Thought Scour
21% of 102 decks +18% synergy
Izzet Charm
21% of 102 decks +18% synergy
Arcane Denial
21% of 102 decks -7% synergy
Cyclonic Rift
21% of 102 decks -7% synergy
An Offer You Can't Refuse
20% of 91 decks -2% synergy
Dispel
19% of 102 decks +15% synergy
Dark Ritual
19% of 102 decks -11% synergy
Vampiric Tutor
18% of 102 decks -1% synergy
Hostile Negotiations
17% of 71 decks +16% synergy
Reality Shift
17% of 102 decks +10% synergy
Thirst for Knowledge
16% of 102 decks +13% synergy
Swan Song
15% of 102 decks -2% synergy
Brainstorm
15% of 102 decks -5% synergy
Rush of Inspiration
14% of 21 decks +13% synergy
Evacuation
14% of 102 decks +11% synergy
Waterlogged Teachings
14% of 22 decks +8% synergy
Fell the Profane
14% of 22 decks +2% synergy
Sink into Stupor
14% of 22 decks +2% synergy
Fierce Guardianship
13% of 101 decks -6% synergy
Displace
13% of 102 decks +10% synergy
Bedevil
13% of 102 decks -9% synergy
Stubborn Denial
12% of 102 decks +11% synergy
Opt
12% of 102 decks +7% synergy
Otherworldly Gaze
11% of 96 decks +11% synergy
Maestros Charm
11% of 91 decks +6% synergy
Deflecting Swat
11% of 101 decks -5% synergy
Mana Drain
11% of 102 decks -5% synergy
Thirst for Discovery
11% of 95 decks +10% synergy
Consider
10% of 96 decks +5% synergy
Force of Will
10% of 102 decks -1% synergy
Mystical Tutor
10% of 102 decks -5% synergy
Rakdos Charm
9% of 102 decks -6% synergy
Red Elemental Blast
8% of 102 decks +3% synergy
Force of Negation
8% of 102 decks -1% synergy
Malakir Rebirth
7% of 101 decks +1% synergy
Crosis's Charm
7% of 102 decks +3% synergy
Flusterstorm
7% of 102 decks -0% synergy
Sorceries
Windfall
45% of 102 decks +21% synergy
Cathartic Reunion
44% of 102 decks +42% synergy
Unmarked Grave
44% of 100 decks +42% synergy
Blasphemous Act
39% of 102 decks -10% synergy
Final Parting
28% of 102 decks +27% synergy
Ransack the Lab
27% of 102 decks +27% synergy
Lively Dirge
27% of 26 decks +25% synergy
Feed the Swarm
27% of 101 decks -9% synergy
Strategic Planning
25% of 102 decks +24% synergy
Gamble
24% of 102 decks +14% synergy
Reckless Handling
23% of 52 decks +22% synergy
Tormenting Voice
21% of 102 decks +20% synergy
Whispering Madness
21% of 102 decks +14% synergy
Demonic Tutor
21% of 102 decks -3% synergy
Treasure Cruise
20% of 102 decks +15% synergy
Notion Rain
18% of 102 decks +17% synergy
Vandalblast
18% of 102 decks -0% synergy
Careful Study
16% of 102 decks +14% synergy
Diabolic Tutor
16% of 102 decks +10% synergy
Compulsive Research
15% of 102 decks +14% synergy
Toxic Deluge
14% of 102 decks -6% synergy
Quasiduplicate
13% of 102 decks +12% synergy
By Force
12% of 102 decks +11% synergy
Consuming Tide
12% of 95 decks +11% synergy
Pieces of the Puzzle
11% of 102 decks +11% synergy
Ponder
10% of 102 decks -1% synergy
Grim Tutor
8% of 102 decks +3% synergy
Wheel of Misfortune
7% of 100 decks +1% synergy
Massacre
7% of 102 decks +7% synergy
Chain Reaction
7% of 102 decks +4% synergy
Ringsight
6% of 49 decks -5% synergy
Fervent Mastery
6% of 100 decks +6% synergy
Pyroclasm
6% of 102 decks +6% synergy
Twinflame
6% of 102 decks +3% synergy
Dread Return
6% of 102 decks +3% synergy
Decree of Pain
6% of 102 decks -1% synergy
Damnation
6% of 102 decks -5% synergy
Reanimate
6% of 102 decks -15% synergy
Irenicus's Vile Duplication
6% of 86 decks +3% synergy
Utility Artifacts
Thousand-Year Elixir
39% of 102 decks +38% synergy
Swiftfoot Boots
30% of 102 decks +4% synergy
Conjurer's Closet
29% of 102 decks +26% synergy
Lightning Greaves
25% of 102 decks -5% synergy
Collector's Vault
22% of 37 decks +21% synergy
Mirage Mirror
22% of 102 decks +20% synergy
The One Ring
21% of 56 decks +7% synergy
The Enigma Jewel
15% of 33 decks +15% synergy
Crystal Shard
14% of 102 decks +13% synergy
Illusionist's Bracers
14% of 102 decks +13% synergy
Agatha's Soul Cauldron
10% of 41 decks +8% synergy
Netherborn Altar
9% of 101 decks +9% synergy
Rings of Brighthearth
9% of 102 decks +7% synergy
Battlemage's Bracers
8% of 100 decks +8% synergy
Magistrate's Scepter
8% of 102 decks +8% synergy
Cauldron of Souls
7% of 102 decks +7% synergy
Mindcrank
7% of 102 decks +4% synergy
Helm of the Host
7% of 102 decks +4% synergy
Phyrexian Altar
6% of 102 decks +2% synergy
Wayfarer's Bauble
6% of 102 decks -12% synergy
Enchantments
Rising of the Day
20% of 49 decks +16% synergy
Rhystic Study
20% of 102 decks -7% synergy
Mystic Remora
18% of 102 decks +2% synergy
Candlekeep Sage
17% of 86 decks +17% synergy
Training Grounds
14% of 102 decks +13% synergy
Bitter Reunion
13% of 71 decks +12% synergy
Propaganda
8% of 102 decks -4% synergy
Fervor
7% of 102 decks +6% synergy
Planeswalkers
Ashiok, Dream Render
14% of 102 decks +11% synergy
Narset, Parter of Veils
11% of 102 decks +6% synergy
Jace, Wielder of Mysteries
8% of 102 decks +6% synergy
Vraska, Betrayal's Sting
6% of 62 decks +5% synergy
Utility Lands
Riptide Laboratory
50% of 102 decks +46% synergy
Bojuka Bog
18% of 102 decks -8% synergy
Command Beacon
17% of 102 decks +12% synergy
Sanctum of Eternity
15% of 102 decks +14% synergy
Desolate Lighthouse
14% of 102 decks +7% synergy
Urborg, Tomb of Yawgmoth
14% of 102 decks -2% synergy
Reliquary Tower
14% of 102 decks -21% synergy
Minamo, School at Water's Edge
12% of 102 decks +9% synergy
Flamekin Village
11% of 102 decks +10% synergy
Geier Reach Sanitarium
9% of 102 decks +2% synergy
Vault of Whispers
8% of 102 decks +2% synergy
Great Furnace
8% of 102 decks +2% synergy
Seat of the Synod
8% of 102 decks +2% synergy
Temple of the False God
7% of 102 decks -3% synergy
Otawara, Soaring City
6% of 94 decks -9% synergy
Mana Artifacts
Sol Ring
91% of 102 decks +0% synergy
Arcane Signet
85% of 102 decks -3% synergy
Izzet Signet
61% of 102 decks +21% synergy
Dimir Signet
59% of 102 decks +15% synergy
Rakdos Signet
51% of 102 decks +9% synergy
Fellwar Stone
50% of 102 decks +15% synergy
Talisman of Creativity
49% of 102 decks +4% synergy
Talisman of Dominance
38% of 102 decks -9% synergy
Talisman of Indulgence
30% of 102 decks -10% synergy
Basalt Monolith
27% of 102 decks +25% synergy
Commander's Sphere
26% of 102 decks +0% synergy
Mind Stone
24% of 102 decks +7% synergy
Relic of Sauron
18% of 45 decks -9% synergy
Coveted Jewel
17% of 102 decks +16% synergy
Patriar's Seal
12% of 86 decks +11% synergy
Ventifact Bottle
8% of 102 decks +8% synergy
Chromatic Lantern
8% of 102 decks -10% synergy
Lotus Petal
7% of 102 decks -2% synergy
Mana Vault
7% of 102 decks -2% synergy
Prismatic Geoscope
6% of 102 decks +6% synergy
Mana Crypt
6% of 102 decks -5% synergy
Lands
Command Tower
85% of 102 decks -7% synergy
Exotic Orchard
70% of 102 decks +12% synergy
Crumbling Necropolis
60% of 102 decks +1% synergy
Sunken Hollow
50% of 102 decks +8% synergy
Smoldering Marsh
45% of 102 decks +6% synergy
Xander's Lounge
40% of 91 decks -4% synergy
Evolving Wilds
38% of 102 decks +11% synergy
Shivan Reef
37% of 102 decks +9% synergy
Terramorphic Expanse
36% of 102 decks +12% synergy
Watery Grave
34% of 102 decks -11% synergy
Blood Crypt
33% of 102 decks -10% synergy
Steam Vents
32% of 102 decks -12% synergy
Drowned Catacomb
30% of 102 decks -9% synergy
Sulfur Falls
30% of 102 decks -12% synergy
Seething Landscape
29% of 21 decks -5% synergy
Bloodstained Mire
28% of 102 decks -2% synergy
Dragonskull Summit
26% of 102 decks -15% synergy
Training Center
26% of 100 decks -9% synergy
Dimir Aqueduct
25% of 102 decks +10% synergy
Scalding Tarn
25% of 102 decks -6% synergy
Underground River
25% of 102 decks -0% synergy
Polluted Delta
25% of 102 decks -6% synergy
Maestros Theater
24% of 91 decks +10% synergy
Morphic Pool
24% of 102 decks -11% synergy
Izzet Boilerworks
23% of 102 decks +8% synergy
Rakdos Carnarium
22% of 102 decks +7% synergy
Luxury Suite
22% of 102 decks -13% synergy
Darkwater Catacombs
19% of 102 decks +6% synergy
Path of Ancestry
19% of 102 decks -14% synergy
Thundering Falls
18% of 28 decks +5% synergy
Undercity Sewers
18% of 28 decks +2% synergy
Bloodfell Caves
17% of 102 decks +12% synergy
Dismal Backwater
17% of 102 decks +10% synergy
Temple of Deceit
17% of 102 decks +1% synergy
Temple of Epiphany
17% of 102 decks -1% synergy
River of Tears
16% of 102 decks +14% synergy
Swiftwater Cliffs
16% of 102 decks +9% synergy
Sulfurous Springs
16% of 102 decks -9% synergy
Verdant Catacombs
15% of 102 decks +5% synergy
City of Brass
15% of 102 decks +1% synergy
Choked Estuary
15% of 102 decks -4% synergy
Raucous Theater
14% of 28 decks -0% synergy
Misty Rainforest
14% of 102 decks +4% synergy
Temple of Malice
14% of 102 decks -0% synergy
Shadowblood Ridge
13% of 102 decks +2% synergy
Stormcarved Coast
13% of 95 decks -10% synergy
Shipwreck Marsh
12% of 96 decks -13% synergy
Ash Barrens
12% of 102 decks +6% synergy
Marsh Flats
12% of 102 decks +2% synergy
Haunted Ridge
11% of 96 decks -9% synergy