Mairsil, the Pretender + Endling + Blood Vassal + Walking Ballista
Mairsil, the Pretender
Endling
Blood Vassal
Walking Ballista
Requires
Mairsil, the Pretender must be on the battlefield.
Endling must be in exile.
Blood Vassal must be in exile.
Walking Ballista must be in exile.
Mana needed: 
Steps
- Activate Mairsil using Endling's third ability by paying , gaining Mairsil undying.
- Activate Mairsil using Blood Vassal's ability by sacrificing it, adding .
- Mairsil undying triggers, returning it to the battlefield with a +1/+1 counter.
- Activate Mairsil using Walking Ballista's last ability by removing a +1/+1 counter, dealing 1 damage to any target.
- Repeat.
Results
Infinite black mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
Top Commanders (1)
Mairsil, the Pretender
4.89% of 1534 decks
75 decks
High Synergy Cards (10)
Aetherling
97% of 75 decks
+97% synergy
Arcanis the Omnipotent
83% of 75 decks
+81% synergy
Quicksilver Elemental
81% of 75 decks
+81% synergy
Anger
89% of 75 decks
+80% synergy
Buried Alive
81% of 75 decks
+77% synergy
Asmodeus the Archfiend
72% of 74 decks
+71% synergy
Entomb
77% of 75 decks
+71% synergy
Cavern Harpy
69% of 75 decks
+69% synergy
Morphling
64% of 75 decks
+64% synergy
Oriq Loremage
64% of 75 decks
+63% synergy
Top Cards (10)
Nevinyrral's Disk
88% of 75 decks
+86% synergy
Faithless Looting
80% of 75 decks
+59% synergy
Gilded Lotus
76% of 75 decks
+71% synergy
Frantic Search
67% of 75 decks
+50% synergy
Staff of Domination
64% of 75 decks
+63% synergy
Torchling
63% of 75 decks
+62% synergy
Collector's Vault
62% of 8 decks
+61% synergy
Unmarked Grave
59% of 74 decks
+57% synergy
Hateflayer
59% of 75 decks
+58% synergy
Tree of Perdition
59% of 75 decks
+58% synergy
Creatures (50)
Horseshoe Crab
49% of 75 decks
+49% synergy
Anthroplasm
48% of 75 decks
+48% synergy
Jace's Archivist
47% of 75 decks
+39% synergy
Sage of Hours
43% of 75 decks
+42% synergy
Crystalline Crawler
43% of 75 decks
+42% synergy
Shauku, Endbringer
39% of 75 decks
+38% synergy
Likeness Looter
38% of 8 decks
+35% synergy
Spark Double
37% of 75 decks
+28% synergy
Cinderhaze Wretch
36% of 75 decks
+36% synergy
Pack Rat
36% of 75 decks
+36% synergy
Eater of the Dead
35% of 75 decks
+34% synergy
Mirror-Mad Phantasm
35% of 75 decks
+34% synergy
Triskelion
35% of 75 decks
+34% synergy
Pili-Pala
35% of 75 decks
+34% synergy
Blood Pet
33% of 75 decks
+33% synergy
Displacer Kitten
33% of 55 decks
+28% synergy
Spikeshot Elder
32% of 75 decks
+32% synergy
Thassa's Oracle
31% of 75 decks
+22% synergy
Ovinomancer
28% of 75 decks
+28% synergy
Cephalid Inkshrouder
27% of 75 decks
+26% synergy
Deadeye Navigator
27% of 75 decks
+24% synergy
Thassa, Deep-Dwelling
27% of 75 decks
+22% synergy
Minion of Leshrac
25% of 75 decks
+25% synergy
Blighted Bat
21% of 75 decks
+21% synergy
Arco-Flagellant
20% of 40 decks
+20% synergy
Soliton
19% of 75 decks
+18% synergy
Avatar of Woe
19% of 75 decks
+18% synergy
Dockside Extortionist
17% of 75 decks
-3% synergy
Chainer, Dementia Master
16% of 75 decks
+16% synergy
Dralnu, Lich Lord
15% of 75 decks
+14% synergy
Grinning Ignus
15% of 75 decks
+14% synergy
Memnarch
15% of 75 decks
+14% synergy
Necrotic Ooze
15% of 75 decks
+14% synergy
Sakashima of a Thousand Faces
15% of 75 decks
+11% synergy
Skyship Stalker
13% of 75 decks
+13% synergy
Doom Whisperer
13% of 75 decks
+12% synergy
Patron of the Moon
12% of 75 decks
+12% synergy
Deathbringer Thoctar
12% of 75 decks
+11% synergy
Azami, Lady of Scrolls
12% of 75 decks
+9% synergy
Amaranthine Wall
11% of 75 decks
+10% synergy
Magus of the Bazaar
11% of 75 decks
+10% synergy
Argent Sphinx
11% of 75 decks
+10% synergy
Solphim, Mayhem Dominus
10% of 29 decks
+3% synergy
Myr Propagator
9% of 75 decks
+9% synergy
Farmstead Gleaner
9% of 75 decks
+9% synergy
Galecaster Colossus
9% of 75 decks
+8% synergy
Argivian Avenger
8% of 36 decks
+8% synergy
Pestilent Souleater
8% of 75 decks
+8% synergy
Infernal Denizen
8% of 75 decks
+8% synergy
Knacksaw Clique
8% of 75 decks
+8% synergy
Instants (50)
Essence Flux
55% of 75 decks
+51% synergy
Counterspell
52% of 75 decks
+7% synergy
Cyclonic Rift
49% of 75 decks
+20% synergy
Arcane Denial
47% of 75 decks
+20% synergy
An Offer You Can't Refuse
35% of 65 decks
+14% synergy
Ghostly Flicker
35% of 75 decks
+27% synergy
Fact or Fiction
35% of 75 decks
+20% synergy
Chaos Warp
35% of 75 decks
-7% synergy
Planar Incision
33% of 66 decks
+31% synergy
Fierce Guardianship
33% of 75 decks
+15% synergy
Vampiric Tutor
32% of 75 decks
+12% synergy
Thrill of Possibility
31% of 75 decks
+22% synergy
Swan Song
31% of 75 decks
+13% synergy
Negate
29% of 75 decks
+5% synergy
Deflecting Swat
28% of 75 decks
+13% synergy
Hostile Negotiations
25% of 36 decks
+23% synergy
Terminate
24% of 75 decks
-5% synergy
Mystical Tutor
23% of 75 decks
+6% synergy
Mana Drain
23% of 75 decks
+6% synergy
Lim-Dûl's Vault
21% of 75 decks
+18% synergy
Teferi's Time Twist
20% of 75 decks
+18% synergy
Evacuation
20% of 75 decks
+17% synergy
Stubborn Denial
19% of 75 decks
+18% synergy
Thirst for Knowledge
15% of 75 decks
+12% synergy
Malakir Rebirth
15% of 75 decks
+8% synergy
Bedevil
15% of 75 decks
-9% synergy
Consider
14% of 71 decks
+8% synergy
Forbidden Alchemy
13% of 75 decks
+11% synergy
Intuition
13% of 75 decks
+11% synergy
Izzet Charm
13% of 75 decks
+10% synergy
Crosis's Charm
13% of 75 decks
+8% synergy
Reality Shift
13% of 75 decks
+6% synergy
Dark Ritual
13% of 75 decks
-15% synergy
Flame of Anor
13% of 23 decks
+6% synergy
Blur
12% of 58 decks
+11% synergy
Force of Will
12% of 75 decks
+1% synergy
Force of Negation
11% of 75 decks
+1% synergy
Brainstorm
11% of 75 decks
-12% synergy
Thirst for Discovery
10% of 69 decks
+9% synergy
Narset's Reversal
9% of 75 decks
+5% synergy
Pact of Negation
9% of 75 decks
+1% synergy
Delay
8% of 75 decks
+6% synergy
Deadly Rollick
8% of 75 decks
-4% synergy
Maestros Charm
8% of 66 decks
+1% synergy
Demonic Consultation
7% of 75 decks
-1% synergy
Rakdos Charm
7% of 75 decks
-9% synergy
Otherworldly Gaze
6% of 71 decks
+5% synergy
Mission Briefing
5% of 75 decks
+5% synergy
Thought Scour
5% of 75 decks
+3% synergy
Dispel
5% of 75 decks
+1% synergy
Sorceries (32)
Windfall
53% of 75 decks
+28% synergy
Blasphemous Act
53% of 75 decks
+4% synergy
Demonic Tutor
48% of 75 decks
+22% synergy
Gamble
47% of 75 decks
+37% synergy
Careful Study
39% of 75 decks
+37% synergy
Toxic Deluge
33% of 75 decks
+14% synergy
Feed the Swarm
29% of 75 decks
-7% synergy
Cathartic Reunion
28% of 75 decks
+26% synergy
Reckless Handling
26% of 23 decks
+25% synergy
Vandalblast
24% of 75 decks
+5% synergy
Final Parting
20% of 75 decks
+19% synergy
Wheel of Fortune
17% of 75 decks
+8% synergy
Grim Tutor
16% of 75 decks
+11% synergy
Lórien Revealed
14% of 22 decks
+11% synergy
Ransack the Lab
13% of 75 decks
+13% synergy
Damnation
12% of 75 decks
+0% synergy
Ponder
12% of 75 decks
-2% synergy
Tormenting Voice
11% of 75 decks
+9% synergy
Profane Tutor
8% of 74 decks
+2% synergy
Strategic Planning
8% of 75 decks
+7% synergy
Fabricate
8% of 75 decks
+4% synergy
Whispering Madness
8% of 75 decks
+0% synergy
Consuming Tide
7% of 71 decks
+6% synergy
Diabolic Tutor
7% of 75 decks
+0% synergy
Imperial Seal
7% of 75 decks
-0% synergy
Reanimate
7% of 75 decks
-13% synergy
Personal Tutor
5% of 75 decks
+5% synergy
Winds of Change
5% of 75 decks
+0% synergy
Reforge the Soul
5% of 75 decks
-0% synergy
Night's Whisper
5% of 75 decks
-0% synergy
Wheel of Misfortune
5% of 75 decks
-1% synergy
Jeska's Will
5% of 75 decks
-13% synergy
Utility Artifacts (22)
Pendant of Prosperity
56% of 75 decks
+55% synergy
Thousand-Year Elixir
56% of 75 decks
+54% synergy
The One Ring
41% of 27 decks
+25% synergy
Lightning Greaves
39% of 75 decks
+8% synergy
Conjurer's Closet
32% of 75 decks
+28% synergy
Agatha's Soul Cauldron
30% of 10 decks
+28% synergy
Swiftfoot Boots
27% of 75 decks
+0% synergy
Mirage Mirror
20% of 75 decks
+18% synergy
Cauldron of Souls
13% of 75 decks
+13% synergy
Illusionist's Bracers
13% of 75 decks
+12% synergy
Phyrexian Altar
13% of 75 decks
+9% synergy
Crystal Shard
12% of 75 decks
+11% synergy
Rings of Brighthearth
12% of 75 decks
+10% synergy
Battlemage's Bracers
11% of 75 decks
+10% synergy
Wayfarer's Bauble
11% of 75 decks
-9% synergy
Sensei's Divining Top
9% of 75 decks
+4% synergy
Heartstone
8% of 75 decks
+8% synergy
Magistrate's Scepter
7% of 75 decks
+7% synergy
Mindcrank
7% of 75 decks
+4% synergy
Helm of the Host
7% of 75 decks
+3% synergy
Wishclaw Talisman
7% of 75 decks
-1% synergy
Netherborn Altar
5% of 75 decks
+5% synergy
Enchantments (12)
Rhystic Study
47% of 75 decks
+18% synergy
Rising of the Day
36% of 22 decks
+31% synergy
Candlekeep Sage
31% of 48 decks
+31% synergy
Mystic Remora
23% of 75 decks
+6% synergy
Bitter Reunion
15% of 34 decks
+14% synergy
Training Grounds
15% of 75 decks
+14% synergy
Sneak Attack
12% of 75 decks
+5% synergy
Phyrexian Arena
8% of 75 decks
-1% synergy
Fervor
7% of 75 decks
+6% synergy
Haunted One
6% of 48 decks
+6% synergy
Ashling's Prerogative
5% of 75 decks
+5% synergy
Monastery Siege
5% of 75 decks
+5% synergy
Planeswalkers (3)
Ashiok, Dream Render
11% of 75 decks
+7% synergy
Jace, Wielder of Mysteries
9% of 75 decks
+8% synergy
Narset, Parter of Veils
7% of 75 decks
+1% synergy
Utility Lands (19)
Riptide Laboratory
69% of 75 decks
+65% synergy
Minamo, School at Water's Edge
40% of 75 decks
+37% synergy
Command Beacon
39% of 75 decks
+34% synergy
Sanctum of Eternity
31% of 75 decks
+30% synergy
Otawara, Soaring City
30% of 66 decks
+15% synergy
Bojuka Bog
24% of 75 decks
-2% synergy
Flamekin Village
21% of 75 decks
+21% synergy
Urborg, Tomb of Yawgmoth
19% of 75 decks
+2% synergy
Desolate Lighthouse
17% of 75 decks
+11% synergy
Reliquary Tower
15% of 75 decks
-19% synergy
Takenuma, Abandoned Mire
14% of 66 decks
+6% synergy
Great Furnace
13% of 75 decks
+7% synergy
Seat of the Synod
13% of 75 decks
+7% synergy
Vault of Whispers
12% of 75 decks
+6% synergy
Ancient Tomb
12% of 75 decks
-2% synergy
Geier Reach Sanitarium
9% of 75 decks
+2% synergy
Hanweir Battlements
8% of 75 decks
+7% synergy
Hall of the Bandit Lord
7% of 75 decks
+6% synergy
Ghost Quarter
5% of 75 decks
+4% synergy
Mana Artifacts (26)
Sol Ring
93% of 75 decks
+2% synergy
Arcane Signet
87% of 75 decks
-1% synergy
Dimir Signet
51% of 75 decks
+4% synergy
Izzet Signet
49% of 75 decks
+6% synergy
Fellwar Stone
48% of 75 decks
+11% synergy
Rakdos Signet
47% of 75 decks
+1% synergy
Talisman of Dominance
47% of 75 decks
+1% synergy
Talisman of Creativity
44% of 75 decks
-1% synergy
Relic of Sauron
41% of 22 decks
+12% synergy
Talisman of Indulgence
40% of 75 decks
+1% synergy
Basalt Monolith
28% of 75 decks
+25% synergy
Coveted Jewel
20% of 75 decks
+19% synergy
Mana Crypt
15% of 75 decks
+1% synergy
Chromatic Lantern
12% of 75 decks
-6% synergy
Skull of Ramos
9% of 75 decks
+9% synergy
Mana Vault
9% of 75 decks
+0% synergy
Mind Stone
9% of 75 decks
-8% synergy
Lotus Petal
8% of 75 decks
-1% synergy
Commander's Sphere
8% of 75 decks
-19% synergy
Relic of Legends
7% of 44 decks
+6% synergy
Ventifact Bottle
7% of 75 decks
+7% synergy
Chromatic Orrery
7% of 75 decks
+6% synergy
Patriar's Seal
6% of 48 decks
+5% synergy
Prismatic Geoscope
5% of 75 decks
+5% synergy
Mox Diamond
5% of 75 decks
-1% synergy
Chrome Mox
5% of 75 decks
-3% synergy
Lands (50)
Thundering Falls
100% of 4 decks
+80% synergy
Command Tower
92% of 75 decks
+0% synergy
Raucous Theater
75% of 4 decks
+54% synergy
Undercity Sewers
75% of 4 decks
+54% synergy
Xander's Lounge
69% of 65 decks
+22% synergy
Watery Grave
67% of 75 decks
+21% synergy
Exotic Orchard
67% of 75 decks
+9% synergy
Blood Crypt
64% of 75 decks
+19% synergy
Steam Vents
64% of 75 decks
+19% synergy
Training Center
55% of 75 decks
+18% synergy
Polluted Delta
52% of 75 decks
+23% synergy
Morphic Pool
51% of 75 decks
+16% synergy
Scalding Tarn
48% of 75 decks
+17% synergy
Luxury Suite
48% of 75 decks
+13% synergy
Bloodstained Mire
44% of 75 decks
+15% synergy
Crumbling Necropolis
40% of 75 decks
-18% synergy
Sulfur Falls
39% of 75 decks
-1% synergy
Drowned Catacomb
37% of 75 decks
+0% synergy
City of Brass
35% of 75 decks
+21% synergy
Shivan Reef
32% of 75 decks
+4% synergy
Sunken Hollow
32% of 75 decks
-9% synergy
Dragonskull Summit
31% of 75 decks
-9% synergy
Underground River
27% of 75 decks
+3% synergy
Evolving Wilds
25% of 75 decks
-3% synergy
Misty Rainforest
24% of 75 decks
+14% synergy
Mana Confluence
24% of 75 decks
+11% synergy
Sulfurous Springs
24% of 75 decks
+2% synergy
Smoldering Marsh
24% of 75 decks
-14% synergy
Verdant Catacombs
20% of 75 decks
+10% synergy
Temple of Epiphany
20% of 75 decks
+1% synergy
Shipwreck Marsh
20% of 71 decks
-6% synergy
Fabled Passage
19% of 75 decks
+9% synergy
Arid Mesa
19% of 75 decks
+9% synergy
Marsh Flats
19% of 75 decks
+8% synergy
Volcanic Island
19% of 75 decks
+5% synergy
Underground Sea
19% of 75 decks
+5% synergy
Badlands
19% of 75 decks
+5% synergy
Haunted Ridge
18% of 71 decks
-2% synergy
Flooded Strand
17% of 75 decks
+8% synergy
Temple of Deceit
17% of 75 decks
+1% synergy
Stormcarved Coast
17% of 71 decks
-5% synergy
Maestros Theater
17% of 66 decks
-0% synergy
Terramorphic Expanse
16% of 75 decks
-9% synergy
Wooded Foothills
15% of 75 decks
+7% synergy
Prismatic Vista
13% of 75 decks
+9% synergy
Temple of Malice
13% of 75 decks
-1% synergy
Path of Ancestry
13% of 75 decks
-17% synergy
Reflecting Pool
12% of 75 decks
+2% synergy
Izzet Boilerworks
12% of 75 decks
-4% synergy
Plaza of Heroes
11% of 46 decks
+8% synergy