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.

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1.13% of 3286 decks 37 decks
Purphoros, God of the Forge
0.05% of 3794 decks 2 decks
Atsushi, the Blazing Sky
0.65% of 155 decks 1 decks
Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
0.37% of 272 decks 1 decks
Ulasht, the Hate Seed
0.22% of 459 decks 1 decks
Gerrard, Weatherlight Hero
0.24% of 423 decks 1 decks
Shadowfax, Lord of Horses
0.08% of 1235 decks 1 decks
Abdel Adrian, Gorion's Ward // Street Urchin
0.44% of 228 decks 1 decks
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0.01% of 8032 decks 1 decks
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Zinnia, Valley's Voice
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Latulla, Keldon Overseer
2.04% of 49 decks 1 decks
Kibo, Uktabi Prince
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New Cards
Blazemire Verge
80% of 5 decks +59% synergy
High Synergy Cards
Barkform Harvester
86% of 7 decks +85% synergy
The Cauldron of Eternity
82% of 39 decks +82% synergy
Sling-Gang Lieutenant
79% of 39 decks +79% synergy
Viscera Seer
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78% of 18 decks +78% synergy
Priest of Gix
77% of 39 decks +77% synergy
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77% of 39 decks +75% synergy
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77% of 39 decks +67% synergy
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65% of 51 decks +65% synergy
Top Cards
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80% of 5 decks +41% synergy
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71% of 7 decks +63% synergy
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65% of 51 decks +58% synergy
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64% of 11 decks +56% synergy
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61% of 51 decks +57% synergy
Pitiless Plunderer
59% of 39 decks +51% synergy
Heartstone
57% of 51 decks +56% synergy
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57% of 51 decks +54% synergy
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57% of 51 decks +43% synergy
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55% of 51 decks +53% 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 +50% synergy
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60% of 5 decks +33% synergy
Gray Merchant of Asphodel
49% of 39 decks +40% synergy
Hoverstone Pilgrim
48% of 21 decks +48% synergy
Zealous Conscripts
45% of 51 decks +43% synergy
Goblin Matron
45% of 51 decks +43% synergy
Ravenous Chupacabra
44% of 39 decks +40% synergy
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43% of 51 decks +43% synergy
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41% of 51 decks +39% synergy
Blood Artist
41% of 39 decks +29% synergy
Woe Strider
38% of 39 decks +36% synergy
Goblin Engineer
37% of 51 decks +34% synergy
Anger
35% of 51 decks +29% synergy
Leaden Myr
33% of 39 decks +31% synergy
Goblin Welder
33% of 51 decks +31% synergy
Judith, the Scourge Diva
31% of 39 decks +29% synergy
Meteor Golem
29% of 51 decks +27% synergy
Deathbringer Thoctar
28% of 39 decks +28% synergy
Lightning Crafter
27% of 51 decks +27% synergy
Beetleback Chief
27% of 51 decks +26% synergy
Goblin Warchief
27% of 51 decks +26% synergy
Marionette Apprentice
27% of 11 decks +20% synergy
Warteye Witch
26% of 39 decks +26% synergy
Reito Sentinel
26% of 47 decks +25% synergy
Pashalik Mons
25% of 51 decks +24% synergy
Metallic Mimic
25% of 51 decks +24% synergy
Palladium Myr
25% of 51 decks +23% synergy
Imperial Recruiter
25% of 51 decks +19% synergy
Iron Myr
24% of 51 decks +21% synergy
Dockside Extortionist
24% of 51 decks +12% synergy
Pawn of Ulamog
23% of 39 decks +21% synergy
Chainer, Nightmare Adept
23% of 39 decks +18% synergy
Bronze Walrus
22% of 46 decks +22% synergy
Duplicant
22% of 51 decks +21% synergy
Witty Roastmaster
21% of 47 decks +18% synergy
Mad Auntie
21% of 39 decks +20% synergy
Crypt Ghast
21% of 39 decks +16% synergy
Siege-Gang Lieutenant
20% of 15 decks +18% synergy
Canal Dredger
20% of 51 decks +20% synergy
Goblin Trashmaster
20% of 51 decks +18% synergy
Treasonous Ogre
20% of 51 decks +18% synergy
Burnished Hart
20% of 51 decks +15% synergy
Ornithopter of Paradise
18% of 49 decks +14% synergy
Plaguecrafter
18% of 39 decks +13% synergy
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18% of 51 decks +17% synergy
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18% of 51 decks +17% synergy
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18% of 51 decks +17% synergy
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Generous Gift
60% of 5 decks +34% synergy
Heroic Intervention
60% of 5 decks +30% synergy
Fire Prophecy
37% of 51 decks +37% synergy
Chaos Warp
37% of 51 decks +5% synergy
Volcanic Spite
37% of 30 decks +36% synergy
Valakut Awakening
35% of 51 decks +29% synergy
Terminate
33% of 39 decks +12% synergy
Dark Ritual
23% of 39 decks +1% synergy
Rakdos Charm
18% of 39 decks +4% synergy
Village Rites
15% of 39 decks +5% synergy
Vampiric Tutor
15% of 39 decks -3% synergy
Deflecting Swat
14% of 51 decks -3% synergy
Cabal Ritual
13% of 39 decks +8% synergy
Bedevil
13% of 39 decks -1% synergy
Deadly Rollick
10% of 39 decks -1% synergy
Thrill of Possibility
10% of 51 decks -1% synergy
Demon's Due
8% of 36 decks +8% synergy
Tibalt's Trickery
8% of 49 decks +3% synergy
Brightstone Ritual
8% of 51 decks +6% synergy
Entomb
8% of 39 decks +0% synergy
Malakir Rebirth
8% of 39 decks -1% synergy
Wild Magic Surge
7% of 46 decks +4% synergy
First Day of Class
6% of 49 decks +6% synergy
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Red Elemental Blast
6% of 51 decks -1% synergy
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6% of 51 decks -5% synergy
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60% of 5 decks +29% synergy
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Faithless Looting
29% of 51 decks +13% synergy
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Doomsday
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Demonic Tutor
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Diabolic Intent
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13% of 39 decks +8% synergy
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39% of 51 decks +38% synergy
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Skullclamp
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Crystal Ball
31% of 51 decks +31% synergy
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Thornbite Staff
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Lightning Greaves
27% of 51 decks +2% synergy
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18% of 51 decks +17% synergy
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10% of 51 decks +10% synergy
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10% of 51 decks +9% synergy
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6% of 51 decks +6% synergy
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6% of 51 decks +4% synergy
Staff of Domination
6% of 51 decks +4% synergy
Helm of the Host
6% of 51 decks +3% synergy
Sensei's Divining Top
6% of 51 decks +0% synergy
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6% of 51 decks -4% synergy
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Doubling Season
60% of 5 decks +51% synergy
Braid of Fire
27% of 51 decks +27% synergy
Mana Echoes
24% of 51 decks +22% synergy
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18% of 39 decks +18% synergy
Phyrexian Arena
18% of 39 decks +3% synergy
Black Market
15% of 39 decks +11% synergy
Thran Vigil
14% of 28 decks +14% synergy
Mindmoil
10% of 51 decks +10% synergy
Warstorm Surge
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Underworld Breach
10% of 51 decks +4% synergy
Blood Moon
8% of 51 decks +5% synergy
Bastion of Remembrance
8% of 39 decks +1% synergy
Splinter Twin
6% of 51 decks +5% synergy
Molten Echoes
6% of 51 decks +4% synergy
Aggravated Assault
6% of 51 decks +2% synergy
Fiery Emancipation
6% of 51 decks +2% synergy
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6% of 51 decks +3% synergy
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35% of 51 decks +30% synergy
Bojuka Bog
31% of 39 decks +1% synergy
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29% of 51 decks +29% synergy
Urborg, Tomb of Yawgmoth
29% of 51 decks +20% synergy
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21% of 39 decks +10% synergy
Ancient Tomb
20% of 51 decks +9% synergy
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15% of 39 decks +7% synergy
Temple of the False God
14% of 51 decks +4% synergy
High Market
12% of 51 decks +9% synergy
Inventors' Fair
12% of 51 decks +8% synergy
Spinerock Knoll
12% of 51 decks +7% synergy
Vault of Whispers
10% of 39 decks +6% synergy
Isolated Watchtower
10% of 51 decks +10% synergy
Takenuma, Abandoned Mire
8% of 36 decks -2% synergy
Forgotten Cave
8% of 51 decks +3% synergy
Nykthos, Shrine to Nyx
8% of 51 decks +2% synergy
Great Furnace
8% of 51 decks +2% synergy
Reliquary Tower
8% of 51 decks -22% synergy
Castle Locthwain
8% of 39 decks +2% synergy
Urza's Saga
6% of 49 decks -1% synergy
War Room
6% of 50 decks -0% synergy
Command Beacon
6% of 51 decks +1% synergy
Mana Artifacts
Sol Ring
84% of 51 decks -0% synergy
Arcane Signet
67% of 51 decks -5% synergy
Talisman of Conviction
60% of 5 decks +37% synergy
Boros Signet
60% of 5 decks +37% synergy
Rakdos Signet
38% of 39 decks +9% synergy
Thran Turbine
37% of 51 decks +37% synergy
Talisman of Indulgence
36% of 39 decks +10% synergy
Fellwar Stone
22% of 51 decks +1% synergy
Mind Stone
18% of 51 decks +0% synergy
Vessel of Endless Rest
16% of 51 decks +16% synergy
Mana Crypt
12% of 51 decks +3% synergy
Commander's Sphere
12% of 51 decks -3% synergy
Cursed Mirror
10% of 49 decks +5% synergy
Mox Amber
10% of 51 decks +6% synergy
Liquimetal Torque
8% of 49 decks +5% synergy
Fire Diamond
8% of 51 decks +2% synergy
Lotus Petal
8% of 51 decks +1% synergy
Lantern of Revealing
7% of 46 decks +6% synergy
Jeweled Lotus
6% of 50 decks +0% synergy
Lands
Command Tower
90% of 51 decks +16% synergy
Temple of Abandon
80% of 5 decks +66% synergy
Battlefield Forge
80% of 5 decks +54% synergy
Stomping Ground
80% of 5 decks +39% synergy
Temple of Malice
77% of 39 decks +63% synergy
Smoldering Marsh
67% of 39 decks +34% synergy
Dragonskull Summit
64% of 39 decks +33% synergy
Sunbaked Canyon
60% of 5 decks +55% synergy
Fire-Lit Thicket
60% of 5 decks +55% synergy
Needleverge Pathway
60% of 5 decks +51% synergy
Rugged Prairie
60% of 5 decks +49% synergy
Clifftop Retreat
60% of 5 decks +31% synergy
Sacred Foundry
60% of 5 decks +24% synergy
Blood Crypt
44% of 39 decks +5% synergy
Graven Cairns
41% of 39 decks +33% synergy
Foreboding Ruins
38% of 39 decks +23% synergy
Sulfurous Springs
36% of 39 decks +16% synergy
Luxury Suite
36% of 39 decks +9% synergy
Shadowblood Ridge
33% of 39 decks +21% synergy
Path of Ancestry
31% of 51 decks +10% synergy
Rakdos Carnarium
31% of 39 decks +16% synergy
Haunted Ridge
30% of 37 decks +14% synergy
Crystal Grotto
29% of 45 decks +28% synergy
Blightstep Pathway
26% of 38 decks +17% synergy
Terramorphic Expanse
25% of 51 decks +10% synergy
Exotic Orchard
25% of 51 decks -10% synergy
Bloodstained Mire
24% of 51 decks +13% synergy
Evolving Wilds
24% of 51 decks +3% synergy
Tainted Peak
23% of 39 decks +13% synergy
The Grey Havens
21% of 24 decks +19% synergy
Myriad Landscape
16% of 51 decks -4% synergy
Canyon Slough
15% of 39 decks +9% synergy
Bloodfell Caves
15% of 39 decks +8% synergy
Blackcleave Cliffs
13% of 39 decks +7% synergy
Badlands
13% of 39 decks -1% synergy
Opal Palace
12% of 51 decks +9% synergy
Fabled Passage
12% of 51 decks +3% synergy
Wooded Foothills
12% of 51 decks +2% synergy
Arid Mesa
12% of 51 decks +1% synergy
Drossforge Bridge
11% of 38 decks +6% synergy
Cavern of Souls
10% of 51 decks +3% synergy
Marsh Flats
10% of 51 decks -1% synergy
Plaza of Heroes
9% of 45 decks +6% synergy
Reflecting Pool
8% of 51 decks +2% synergy
Prismatic Vista
8% of 51 decks +2% synergy
Polluted Delta
8% of 51 decks -3% synergy
Auntie's Hovel
8% of 39 decks +7% synergy
Akoum Refuge
8% of 39 decks +5% synergy
City of Brass
6% of 51 decks -2% synergy
Scalding Tarn
6% of 51 decks -5% synergy