Workhorse + Nim Deathmantle + Ashnod's Altar + Impact Tremors

Workhorse
Nim Deathmantle
Ashnod's Altar
Impact Tremors

Requires
Workhorse must be on the battlefield. Nim Deathmantle must be on the battlefield. Ashnod's Altar must be on the battlefield. Impact Tremors must be on the battlefield. Nim Deathmantle attached to Workhorse.
Steps
  1. Activate Workhorse by removing four +1/+1 counters, adding .
  2. Activate Ashnod's Altar by sacrificing Workhorse, adding .
  3. Workhorse dies, triggering Nim Deathmantle, causing you to pay 4 to return Workhorse from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  4. Workhorse enters the battlefield with four +1/+1 counters on it.
  5. Impact Tremors triggers, dealing 1 damages to each opponent.
  6. Repeat.
Results
Infinite colorless mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grenzo, Dungeon Warden
1.22% of 3289 decks 40 decks
Purphoros, God of the Forge
0.05% of 3788 decks 2 decks
Atsushi, the Blazing Sky
0.61% of 164 decks 1 decks
Abdel Adrian, Gorion's Ward // Street Urchin
0.48% of 207 decks 1 decks
Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
0.37% of 273 decks 1 decks
Shadowfax, Lord of Horses
0.08% of 1187 decks 1 decks
Gerrard, Weatherlight Hero
0.25% of 406 decks 1 decks
Ulasht, the Hate Seed
0.22% of 450 decks 1 decks
Zinnia, Valley's Voice
0.02% of 5932 decks 1 decks
Kibo, Uktabi Prince
0.01% of 9866 decks 1 decks
Latulla, Keldon Overseer
2.00% of 50 decks 1 decks
Slimefoot and Squee
0.01% of 7765 decks 1 decks
Totentanz, Swarm Piper
0.04% of 2755 decks 1 decks
New Cards
Blazemire Verge
100% of 4 decks +78% synergy
High Synergy Cards
The Cauldron of Eternity
83% of 42 decks +83% synergy
Barkform Harvester
83% of 6 decks +82% synergy
Murderous Redcap
79% of 42 decks +77% synergy
Tomb Trawler
76% of 17 decks +76% synergy
Viscera Seer
86% of 42 decks +76% synergy
Priest of Gix
76% of 42 decks +76% synergy
Sling-Gang Lieutenant
76% of 42 decks +76% synergy
Priest of Urabrask
70% of 53 decks +69% synergy
Zulaport Cutthroat
79% of 42 decks +69% synergy
Warren Soultrader
70% of 10 decks +62% synergy
Top Cards
Agate Instigator
67% of 6 decks +57% synergy
Goblin Bombardment
66% of 53 decks +60% synergy
Epitaph Golem
62% of 53 decks +62% synergy
Pitiless Plunderer
62% of 42 decks +54% synergy
Heartstone
60% of 53 decks +60% synergy
Kiki-Jiki, Mirror Breaker
60% of 53 decks +57% synergy
Siege-Gang Commander
55% of 53 decks +52% synergy
Skirk Prospector
55% of 53 decks +52% synergy
Solemn Simulacrum
53% of 53 decks +39% synergy
Gray Merchant of Asphodel
50% of 42 decks +41% synergy
Creatures
Recruiter of the Guard
60% of 5 decks +57% synergy
Spirited Companion
60% of 5 decks +56% synergy
Karmic Guide
60% of 5 decks +55% synergy
Sun Titan
60% of 5 decks +49% synergy
Zealous Conscripts
45% of 53 decks +43% synergy
Goblin Matron
45% of 53 decks +43% synergy
Ravenous Chupacabra
45% of 42 decks +41% synergy
Blood Artist
45% of 42 decks +34% synergy
Hoverstone Pilgrim
45% of 20 decks +45% synergy
Junktroller
43% of 53 decks +43% synergy
Goblin Engineer
42% of 53 decks +38% synergy
Krenko, Mob Boss
40% of 53 decks +38% synergy
Woe Strider
38% of 42 decks +36% synergy
Goblin Welder
36% of 53 decks +33% synergy
Anger
36% of 53 decks +30% synergy
Leaden Myr
33% of 42 decks +31% synergy
Beetleback Chief
30% of 53 decks +29% synergy
Reito Sentinel
30% of 50 decks +30% synergy
Marionette Apprentice
30% of 10 decks +22% synergy
Deathbringer Thoctar
29% of 42 decks +28% synergy
Judith, the Scourge Diva
29% of 42 decks +27% synergy
Meteor Golem
28% of 53 decks +26% synergy
Imperial Recruiter
28% of 53 decks +22% synergy
Dockside Extortionist
28% of 53 decks +15% synergy
Lightning Crafter
26% of 53 decks +26% synergy
Goblin Warchief
26% of 53 decks +25% synergy
Pawn of Ulamog
26% of 42 decks +24% synergy
Duplicant
25% of 53 decks +24% synergy
Pashalik Mons
25% of 53 decks +23% synergy
Metallic Mimic
25% of 53 decks +23% synergy
Iron Myr
25% of 53 decks +22% synergy
Warteye Witch
24% of 42 decks +24% synergy
Chainer, Nightmare Adept
24% of 42 decks +19% synergy
Treasonous Ogre
23% of 53 decks +21% synergy
Palladium Myr
23% of 53 decks +21% synergy
Crypt Ghast
21% of 42 decks +17% synergy
Bronze Walrus
21% of 48 decks +21% synergy
Witty Roastmaster
20% of 50 decks +17% synergy
Mad Auntie
19% of 42 decks +19% synergy
Plaguecrafter
19% of 42 decks +14% synergy
Canal Dredger
19% of 53 decks +19% synergy
Emrakul's Hatcher
19% of 53 decks +18% synergy
Goblin Recruiter
19% of 53 decks +18% synergy
Goblin Sharpshooter
19% of 53 decks +18% synergy
Goblin Trashmaster
19% of 53 decks +18% synergy
Ornithopter of Paradise
17% of 52 decks +13% synergy
Clone Shell
17% of 53 decks +17% synergy
Mogg War Marshal
17% of 53 decks +16% synergy
Burnished Hart
17% of 53 decks +13% synergy
Murderous Rider
17% of 42 decks +14% synergy
Instants
Beast Within
75% of 4 decks +36% synergy
Generous Gift
60% of 5 decks +34% synergy
Chaos Warp
43% of 53 decks +11% synergy
Fire Prophecy
42% of 53 decks +41% synergy
Valakut Awakening
40% of 53 decks +33% synergy
Terminate
38% of 42 decks +17% synergy
Volcanic Spite
38% of 29 decks +37% synergy
Vampiric Tutor
21% of 42 decks +3% synergy
Dark Ritual
21% of 42 decks -1% synergy
Village Rites
19% of 42 decks +9% synergy
Rakdos Charm
19% of 42 decks +5% synergy
Bedevil
19% of 42 decks +5% synergy
Deflecting Swat
15% of 53 decks -1% synergy
Cabal Ritual
14% of 42 decks +10% synergy
Deadly Rollick
12% of 42 decks +1% synergy
Tibalt's Trickery
10% of 52 decks +4% synergy
Fire Covenant
10% of 42 decks +6% synergy
Entomb
10% of 42 decks +2% synergy
Malakir Rebirth
10% of 42 decks +1% synergy
Red Elemental Blast
9% of 53 decks +3% synergy
Thrill of Possibility
9% of 53 decks -1% synergy
Demon's Due
8% of 39 decks +8% synergy
Brightstone Ritual
8% of 53 decks +6% synergy
Culling the Weak
7% of 42 decks +3% synergy
Wild Magic Surge
6% of 48 decks +3% synergy
First Day of Class
6% of 52 decks +6% synergy
Seething Song
6% of 53 decks -0% synergy
Pyroblast
6% of 53 decks -1% synergy
Lightning Bolt
6% of 53 decks -5% synergy
Abrade
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Sevinne's Reclamation
60% of 5 decks +53% synergy
Blasphemous Act
40% of 53 decks +6% synergy
Read the Bones
36% of 42 decks +28% synergy
Faithless Looting
34% of 53 decks +17% synergy
Feed the Swarm
31% of 42 decks +13% synergy
Into the Fire
29% of 31 decks +28% synergy
Jeska's Will
27% of 52 decks +9% synergy
Demonic Tutor
26% of 42 decks +4% synergy
Doomsday
24% of 42 decks +23% synergy
Vandalblast
21% of 53 decks +4% synergy
Reckless Handling
19% of 26 decks +17% synergy
Diabolic Intent
19% of 42 decks +10% synergy
Victimize
19% of 42 decks +7% synergy
Gamble
15% of 53 decks +5% synergy
Sinister Waltz
13% of 39 decks +12% synergy
Grim Tutor
12% of 42 decks +7% synergy
Buried Alive
12% of 42 decks +6% synergy
Diabolic Tutor
12% of 42 decks +6% synergy
Toxic Deluge
12% of 42 decks -5% synergy
Agadeem's Awakening
10% of 42 decks +6% synergy
Reanimate
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Chain Reaction
9% of 53 decks +5% synergy
Wheel of Fortune
8% of 53 decks +2% synergy
Unmarked Grave
7% of 41 decks +5% synergy
Profane Tutor
7% of 41 decks +4% synergy
Dimir Machinations
7% of 42 decks +7% synergy
Damnation
7% of 42 decks -1% synergy
Trash for Treasure
6% of 53 decks +4% synergy
Tormenting Voice
6% of 53 decks +3% synergy
Shatterskull Smashing
6% of 53 decks +2% synergy
Utility Artifacts
Tel-Jilad Stylus
45% of 53 decks +45% synergy
Phyrexian Altar
42% of 53 decks +37% synergy
Soldevi Digger
40% of 53 decks +40% synergy
Teferi's Puzzle Box
38% of 53 decks +37% synergy
Skullclamp
36% of 53 decks +23% synergy
Crystal Ball
32% of 53 decks +32% synergy
Reito Lantern
30% of 53 decks +30% synergy
Lightning Greaves
28% of 53 decks +3% synergy
Thornbite Staff
26% of 53 decks +26% synergy
Darksteel Pendant
25% of 53 decks +24% synergy
Desecrated Tomb
23% of 53 decks +22% synergy
Cloak and Dagger
17% of 53 decks +17% synergy
Illusionist's Bracers
15% of 53 decks +14% synergy
Altar of Dementia
15% of 53 decks +12% synergy
Panharmonicon
15% of 53 decks +11% synergy
Swiftfoot Boots
15% of 53 decks -13% synergy
Wishclaw Talisman
14% of 42 decks +9% synergy
Goblin Charbelcher
9% of 53 decks +9% synergy
Treasure Map
9% of 53 decks +9% synergy
Krark-Clan Ironworks
9% of 53 decks +8% synergy
Moonsilver Key
8% of 51 decks +6% synergy
Staff of Domination
8% of 53 decks +6% synergy
Crucible of Worlds
8% of 53 decks +5% synergy
Ruby Medallion
8% of 53 decks +5% synergy
Expedition Map
8% of 53 decks +4% synergy
Jar of Eyeballs
6% of 53 decks +6% synergy
Sword of the Paruns
6% of 53 decks +5% synergy
Conjurer's Bauble
6% of 53 decks +5% synergy
Umbral Mantle
6% of 53 decks +5% synergy
Cloudstone Curio
6% of 53 decks +5% synergy
Ichor Wellspring
6% of 53 decks +4% synergy
Helm of the Host
6% of 53 decks +2% synergy
Sensei's Divining Top
6% of 53 decks +0% synergy
Wayfarer's Bauble
6% of 53 decks -5% synergy
Enchantments
Braid of Fire
30% of 53 decks +29% synergy
Mana Echoes
23% of 53 decks +22% synergy
Shadows of the Past
19% of 42 decks +19% synergy
Phyrexian Arena
19% of 42 decks +4% synergy
Thran Vigil
14% of 28 decks +14% synergy
Black Market
14% of 42 decks +10% synergy
Mindmoil
11% of 53 decks +11% synergy
Underworld Breach
11% of 53 decks +5% synergy
Warstorm Surge
9% of 53 decks +4% synergy
Blood Moon
8% of 53 decks +4% synergy
Bastion of Remembrance
7% of 42 decks +1% synergy
Splinter Twin
6% of 53 decks +5% synergy
Molten Echoes
6% of 53 decks +4% synergy
Aggravated Assault
6% of 53 decks +2% synergy
Fiery Emancipation
6% of 53 decks +2% synergy
Planeswalkers
Daretti, Scrap Savant
6% of 53 decks +3% synergy
Utility Lands
Bojuka Bog
40% of 42 decks +10% synergy
Buried Ruin
36% of 53 decks +31% synergy
Zhalfirin Void
32% of 53 decks +31% synergy
Urborg, Tomb of Yawgmoth
32% of 53 decks +22% synergy
Ancient Tomb
23% of 53 decks +12% synergy
Cabal Coffers
21% of 42 decks +11% synergy
Phyrexian Tower
14% of 42 decks +6% synergy
Inventors' Fair
13% of 53 decks +9% synergy
Spinerock Knoll
13% of 53 decks +9% synergy
Temple of the False God
13% of 53 decks +4% synergy
Vault of Whispers
12% of 42 decks +7% synergy
High Market
11% of 53 decks +8% synergy
Isolated Watchtower
9% of 53 decks +9% synergy
Great Furnace
9% of 53 decks +4% synergy
Urza's Saga
8% of 52 decks +0% synergy
Takenuma, Abandoned Mire
8% of 39 decks -3% synergy
Forgotten Cave
8% of 53 decks +3% synergy
Dakmor Salvage
7% of 42 decks +5% synergy
Castle Locthwain
7% of 42 decks +2% synergy
War Room
6% of 52 decks -1% synergy
Homeward Path
6% of 53 decks +4% synergy
Command Beacon
6% of 53 decks +1% synergy
Nykthos, Shrine to Nyx
6% of 53 decks +0% synergy
Reliquary Tower
6% of 53 decks -24% synergy
Mana Artifacts
Sol Ring
85% of 53 decks +0% synergy
Arcane Signet
68% of 53 decks -4% synergy
Talisman of Conviction
60% of 5 decks +37% synergy
Boros Signet
60% of 5 decks +36% synergy
Talisman of Indulgence
40% of 42 decks +14% synergy
Rakdos Signet
38% of 42 decks +8% synergy
Thran Turbine
36% of 53 decks +36% synergy
Fellwar Stone
23% of 53 decks +2% synergy
Mind Stone
21% of 53 decks +3% synergy
Vessel of Endless Rest
13% of 53 decks +13% synergy
Mana Crypt
13% of 53 decks +4% synergy
Commander's Sphere
11% of 53 decks -4% synergy
Cursed Mirror
10% of 52 decks +4% synergy
Mox Amber
9% of 53 decks +5% synergy
Liquimetal Torque
8% of 52 decks +4% synergy
Fire Diamond
8% of 53 decks +2% synergy
Lantern of Revealing
6% of 48 decks +6% synergy
Jeweled Lotus
6% of 52 decks -0% synergy
Mox Opal
6% of 53 decks +1% synergy
Mana Vault
6% of 53 decks -1% synergy
Lotus Petal
6% of 53 decks -1% synergy
Lands
Command Tower
91% of 53 decks +17% synergy
Battlefield Forge
80% of 5 decks +55% synergy
Temple of Abandon
75% of 4 decks +61% synergy
Stomping Ground
75% of 4 decks +34% synergy
Temple of Malice
74% of 42 decks +60% synergy
Dragonskull Summit
62% of 42 decks +31% synergy
Smoldering Marsh
62% of 42 decks +29% synergy
Sunbaked Canyon
60% of 5 decks +55% synergy
Needleverge Pathway
60% of 5 decks +51% synergy
Rugged Prairie
60% of 5 decks +50% synergy
Clifftop Retreat
60% of 5 decks +32% synergy
Sacred Foundry
60% of 5 decks +24% synergy
Blood Crypt
50% of 42 decks +11% synergy
Graven Cairns
43% of 42 decks +35% synergy
Luxury Suite
43% of 42 decks +16% synergy
Sulfurous Springs
40% of 42 decks +20% synergy
Foreboding Ruins
38% of 42 decks +22% synergy
Haunted Ridge
35% of 40 decks +19% synergy
Shadowblood Ridge
33% of 42 decks +22% synergy
Crystal Grotto
30% of 46 decks +30% synergy
Rakdos Carnarium
29% of 42 decks +14% synergy
Bloodstained Mire
28% of 53 decks +18% synergy
Path of Ancestry
28% of 53 decks +7% synergy
Blightstep Pathway
27% of 41 decks +17% synergy
Exotic Orchard
26% of 53 decks -9% synergy
Tainted Peak
26% of 42 decks +16% synergy
The Grey Havens
22% of 23 decks +20% synergy
Terramorphic Expanse
21% of 53 decks +5% synergy
Evolving Wilds
19% of 53 decks -2% synergy
Blackcleave Cliffs
14% of 42 decks +9% synergy
Canyon Slough
14% of 42 decks +8% synergy
Badlands
14% of 42 decks +1% synergy
Fabled Passage
13% of 53 decks +4% synergy
Wooded Foothills
13% of 53 decks +3% synergy
Arid Mesa
13% of 53 decks +3% synergy
Myriad Landscape
13% of 53 decks -7% synergy
Drossforge Bridge
12% of 41 decks +8% synergy
Bloodfell Caves
12% of 42 decks +5% synergy
Marsh Flats
11% of 53 decks -0% synergy
Opal Palace
9% of 53 decks +7% synergy
Cavern of Souls
9% of 53 decks +3% synergy
Polluted Delta
9% of 53 decks -2% synergy
Plaza of Heroes
9% of 46 decks +5% synergy
Prismatic Vista
8% of 53 decks +2% synergy
Scalding Tarn
8% of 53 decks -3% synergy
Verdant Catacombs
8% of 53 decks -4% synergy
Auntie's Hovel
7% of 42 decks +7% synergy
Akoum Refuge
7% of 42 decks +4% synergy
Reflecting Pool
6% of 53 decks +0% synergy