Workhorse + Nim Deathmantle + Ashnod's Altar + Warstorm Surge

Workhorse
Nim Deathmantle
Ashnod's Altar
Warstorm Surge

Requires
Workhorse must be on the battlefield. Nim Deathmantle must be on the battlefield. Ashnod's Altar must be on the battlefield. Warstorm Surge 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. Warstorm Surge triggers, dealing 4 damages to any target.
  6. Repeat.
Results
Infinite colorless mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Atsushi, the Blazing Sky
0.59% of 170 decks 1 decks
Vial Smasher, Gleeful Grenadier
0.45% of 223 decks 1 decks
Ulasht, the Hate Seed
0.23% of 430 decks 1 decks
Grenzo, Dungeon Warden
0.12% of 3258 decks 4 decks
Thromok the Insatiable
0.06% of 1715 decks 1 decks
Purphoros, God of the Forge
0.03% of 3707 decks 1 decks
Henzie "Toolbox" Torre
0.01% of 13985 decks 1 decks
Top Cards
Priest of Gix
67% of 6 decks +66% synergy
Murderous Redcap
67% of 6 decks +66% synergy
Viscera Seer
67% of 6 decks +62% synergy
Impact Tremors
50% of 10 decks +46% synergy
Beetleback Chief
40% of 10 decks +39% synergy
Goblin Bombardment
40% of 10 decks +37% synergy
Phyrexian Altar
40% of 10 decks +36% synergy
Blasphemous Act
40% of 10 decks +24% synergy
Creatures
Ognis, the Dragon's Lash
100% of 1 decks +100% synergy
Samut, Vizier of Naktamun
100% of 1 decks +100% synergy
Ziatora, the Incinerator
100% of 1 decks +99% synergy
Spawn-Gang Commander
100% of 1 decks +99% synergy
Siege-Gang Lieutenant
100% of 1 decks +99% synergy
Ignoble Hierarch
100% of 1 decks +97% synergy
Molten Gatekeeper
100% of 1 decks +97% synergy
Protean Hulk
67% of 3 decks +66% synergy
Xenagos, God of Revels
67% of 3 decks +65% synergy
Temur Sabertooth
67% of 3 decks +65% synergy
Sakura-Tribe Elder
67% of 3 decks +58% synergy
Eternal Witness
67% of 3 decks +57% synergy
Birds of Paradise
67% of 3 decks +54% synergy
Kethek, Crucible Goliath
50% of 2 decks +50% synergy
Primeval Herald
50% of 2 decks +49% synergy
Reckless Lackey
50% of 2 decks +49% synergy
Archpriest of Shadows
50% of 2 decks +49% synergy
Pawn of Ulamog
50% of 6 decks +49% synergy
Etali, Primal Conqueror
50% of 2 decks +47% synergy
Kami of Whispered Hopes
50% of 2 decks +46% synergy
Gloomwidow
33% of 3 decks +33% synergy
Burning-Tree Emissary
33% of 3 decks +33% synergy
Groundskeeper
33% of 3 decks +33% synergy
Warbeast of Gorgoroth
33% of 3 decks +33% synergy
Deathbringer Thoctar
33% of 6 decks +33% synergy
Halana, Kessig Ranger
33% of 3 decks +33% synergy
Sporeweb Weaver
33% of 3 decks +33% synergy
Treeshaker Chimera
33% of 3 decks +33% synergy
Stonehoof Chieftain
33% of 3 decks +33% synergy
Dragon Broodmother
33% of 3 decks +33% synergy
Ruric Thar, the Unbowed
33% of 3 decks +33% synergy
Greenwarden of Murasa
33% of 3 decks +33% synergy
Éomer, Marshal of Rohan
33% of 3 decks +33% synergy
Pathbreaker Ibex
33% of 3 decks +33% synergy
Rampant Rejuvenator
33% of 3 decks +33% synergy
Woodfall Primus
33% of 3 decks +33% synergy
Kura, the Boundless Sky
33% of 3 decks +33% synergy
Giant Adephage
33% of 3 decks +33% synergy
Ivy Lane Denizen
33% of 3 decks +33% synergy
Puppeteer Clique
33% of 6 decks +33% synergy
Somberwald Sage
33% of 3 decks +32% synergy
Mycoloth
33% of 3 decks +32% synergy
Leaden Myr
33% of 6 decks +32% synergy
Chainer, Nightmare Adept
33% of 6 decks +32% synergy
Atarka, World Render
33% of 3 decks +32% synergy
Woe Strider
33% of 6 decks +32% synergy
Marwyn, the Nurturer
33% of 3 decks +32% synergy
Terastodon
33% of 3 decks +32% synergy
Kogla, the Titan Ape
33% of 3 decks +32% synergy
Scavenging Ooze
33% of 3 decks +32% synergy
Instants
Orcish Medicine
100% of 1 decks +99% synergy
Assassin's Trophy
100% of 1 decks +94% synergy
Beast Within
100% of 3 decks +82% synergy
Momentous Fall
67% of 3 decks +66% synergy
Black Sun's Twilight
50% of 2 decks +49% synergy
Emerald Charm
33% of 3 decks +33% synergy
Signal the Clans
33% of 3 decks +33% synergy
Culling the Weak
33% of 6 decks +31% synergy
Hunter's Insight
33% of 3 decks +31% synergy
Bedevil
33% of 6 decks +30% synergy
Krosan Grip
33% of 3 decks +29% synergy
Harrow
33% of 3 decks +29% synergy
Terminate
33% of 6 decks +28% synergy
Return of the Wildspeaker
33% of 3 decks +27% synergy
Dark Ritual
33% of 6 decks +22% synergy
Heroic Intervention
33% of 3 decks +20% synergy
Chaos Warp
30% of 10 decks +14% synergy
Battle-Rage Blessing
25% of 4 decks +25% synergy
Fire Prophecy
20% of 10 decks +20% synergy
Armor of Shadows
20% of 5 decks +20% synergy
Seething Song
20% of 10 decks +17% synergy
Valakut Awakening
20% of 10 decks +17% synergy
Renegade's Getaway
17% of 6 decks +17% synergy
Without Weakness
17% of 6 decks +17% synergy
Unlikely Aid
17% of 6 decks +17% synergy
Rush of Vitality
17% of 6 decks +17% synergy
Demonic Gifts
17% of 6 decks +16% synergy
Feign Death
17% of 6 decks +16% synergy
Dismember
17% of 6 decks +15% synergy
Cabal Ritual
17% of 6 decks +14% synergy
Vampiric Tutor
17% of 6 decks +7% synergy
Wild Magic Surge
11% of 9 decks +9% synergy
Enthusiastic Study
10% of 10 decks +10% synergy
Outmaneuver
10% of 10 decks +10% synergy
Mages' Contest
10% of 10 decks +10% synergy
First Day of Class
10% of 10 decks +10% synergy
Act of Aggression
10% of 10 decks +10% synergy
Run Amok
10% of 10 decks +10% synergy
Faithless Salvaging
10% of 10 decks +10% synergy
Volt Charge
10% of 10 decks +10% synergy
Magnetic Theft
10% of 10 decks +10% synergy
Commune with Lava
10% of 10 decks +9% synergy
Brightstone Ritual
10% of 10 decks +9% synergy
Temur Battle Rage
10% of 10 decks +9% synergy
Tibalt's Trickery
10% of 10 decks +7% synergy
Sorceries
Glimpse the Impossible
100% of 1 decks +99% synergy
Kodama's Reach
100% of 3 decks +85% synergy
Rampant Growth
100% of 3 decks +84% synergy
Cultivate
100% of 3 decks +78% synergy
Decimate
67% of 3 decks +65% synergy
Harmonize
67% of 3 decks +62% synergy
Farseek
67% of 3 decks +51% synergy
Song of Totentanz
50% of 2 decks +49% synergy
Molten Duplication
50% of 2 decks +48% synergy
Breach the Multiverse
50% of 2 decks +48% synergy
Victimize
50% of 6 decks +44% synergy
Life's Legacy
33% of 3 decks +32% synergy
Hull Breach
33% of 3 decks +32% synergy
Explosive Vegetation
33% of 3 decks +32% synergy
Search for Tomorrow
33% of 3 decks +32% synergy
Peer into the Abyss
33% of 6 decks +32% synergy
Skyshroud Claim
33% of 3 decks +29% synergy
Shamanic Revelation
33% of 3 decks +29% synergy
Rishkar's Expertise
33% of 3 decks +28% synergy
Feed the Swarm
33% of 6 decks +24% synergy
Illicit Shipment
20% of 5 decks +20% synergy
Blood Price
17% of 6 decks +17% synergy
Diabolic Revelation
17% of 6 decks +17% synergy
Dread Summons
17% of 6 decks +16% synergy
Necromantic Selection
17% of 6 decks +16% synergy
Final Parting
17% of 6 decks +16% synergy
Unmarked Grave
17% of 6 decks +15% synergy
Grim Tutor
17% of 6 decks +14% synergy
Buried Alive
17% of 6 decks +14% synergy
Living Death
17% of 6 decks +14% synergy
Diabolic Tutor
17% of 6 decks +13% synergy
Read the Bones
17% of 6 decks +12% synergy
Diabolic Intent
17% of 6 decks +12% synergy
Reanimate
17% of 6 decks +9% synergy
Tempt with Vengeance
10% of 10 decks +10% synergy
Insurrection
10% of 10 decks +9% synergy
Crash Through
10% of 10 decks +9% synergy
Hordeling Outburst
10% of 10 decks +9% synergy
Mizzium Mortars
10% of 10 decks +9% synergy
Krenko's Command
10% of 10 decks +9% synergy
Dragon Fodder
10% of 10 decks +9% synergy
Relentless Assault
10% of 10 decks +9% synergy
Twinflame
10% of 10 decks +8% synergy
Gamble
10% of 10 decks +5% synergy
Faithless Looting
10% of 10 decks +2% synergy
Jeska's Will
10% of 10 decks +1% synergy
Utility Artifacts
The Cauldron of Eternity
50% of 6 decks +50% synergy
Mithril Coat
50% of 2 decks +44% synergy
Birthing Pod
33% of 3 decks +32% synergy
Lifecrafter's Bestiary
33% of 3 decks +31% synergy
Reito Lantern
30% of 10 decks +30% synergy
Thornbite Staff
30% of 10 decks +29% synergy
Panharmonicon
30% of 10 decks +26% synergy
Skullclamp
30% of 10 decks +17% synergy
Swiftfoot Boots
30% of 10 decks +2% synergy
Soldevi Digger
20% of 10 decks +20% synergy
Darksteel Pendant
20% of 10 decks +20% synergy
Tel-Jilad Stylus
20% of 10 decks +20% synergy
Heartstone
20% of 10 decks +19% synergy
Urabrask's Forge
20% of 5 decks +19% synergy
Teferi's Puzzle Box
20% of 10 decks +19% synergy
Illusionist's Bracers
20% of 10 decks +19% synergy
Darksteel Plate
20% of 10 decks +18% synergy
Ruby Medallion
20% of 10 decks +18% synergy
Helm of the Host
20% of 10 decks +17% synergy
Lightning Greaves
20% of 10 decks -5% synergy
Lashwrithe
17% of 6 decks +16% synergy
Mask of Griselbrand
17% of 6 decks +16% synergy
Wishclaw Talisman
17% of 6 decks +14% synergy
Dollhouse of Horrors
11% of 9 decks +11% synergy
Gavel of the Righteous
11% of 9 decks +11% synergy
Wine of Blood and Iron
10% of 10 decks +10% synergy
Ashes of the Fallen
10% of 10 decks +10% synergy
God-Pharaoh's Gift
10% of 10 decks +10% synergy
Sword of the Paruns
10% of 10 decks +10% synergy
Crystal Ball
10% of 10 decks +10% synergy
Conjurer's Bauble
10% of 10 decks +10% synergy
Mindslaver
10% of 10 decks +10% synergy
Aetherworks Marvel
10% of 10 decks +10% synergy
Desecrated Tomb
10% of 10 decks +10% synergy
Cauldron of Souls
10% of 10 decks +9% synergy
Blasting Station
10% of 10 decks +9% synergy
Grinding Station
10% of 10 decks +9% synergy
Quietus Spike
10% of 10 decks +9% synergy
Defense Grid
10% of 10 decks +9% synergy
Voltaic Key
10% of 10 decks +9% synergy
Helm of Awakening
10% of 10 decks +9% synergy
Cloudstone Curio
10% of 10 decks +9% synergy
Hazoret's Monument
10% of 10 decks +9% synergy
Contagion Engine
10% of 10 decks +9% synergy
Key to the City
10% of 10 decks +9% synergy
Eldrazi Monument
10% of 10 decks +9% synergy
Akroma's Memorial
10% of 10 decks +9% synergy
Embercleave
10% of 10 decks +9% synergy
Blade of Selves
10% of 10 decks +9% synergy
Moonsilver Key
10% of 10 decks +8% synergy
Enchantments
Riveteers Ascendancy
100% of 1 decks +100% synergy
Fecundity
67% of 3 decks +66% synergy
Zendikar Resurgent
67% of 3 decks +65% synergy
Garruk's Uprising
67% of 3 decks +60% synergy
Thran Vigil
50% of 2 decks +50% synergy
Shadow in the Warp
50% of 2 decks +49% synergy
Last Voyage of the _____
33% of 3 decks +33% synergy
Kavu Lair
33% of 3 decks +33% synergy
Leyline of Vitality
33% of 3 decks +33% synergy
Wild Pair
33% of 3 decks +33% synergy
Ayula's Influence
33% of 3 decks +33% synergy
Trudge Garden
33% of 3 decks +33% synergy
Elvish Guidance
33% of 3 decks +33% synergy
Earthcraft
33% of 3 decks +33% synergy
Dictate of Karametra
33% of 3 decks +33% synergy
Cindervines
33% of 3 decks +33% synergy
Jugan Defends the Temple
33% of 3 decks +33% synergy
Death's Presence
33% of 3 decks +33% synergy
Fires of Yavimaya
33% of 3 decks +32% synergy
Asceticism
33% of 3 decks +32% synergy
Greater Good
33% of 3 decks +31% synergy
Rancor
33% of 3 decks +31% synergy
Elemental Bond
33% of 3 decks +31% synergy
Beastmaster Ascension
33% of 3 decks +31% synergy
Parallel Lives
33% of 3 decks +30% synergy
Guardian Project
33% of 3 decks +29% synergy
Doubling Season
33% of 3 decks +29% synergy
Shifting Shadow
20% of 10 decks +20% synergy
Daring Piracy
20% of 5 decks +20% synergy
Brazen Cannonade
20% of 5 decks +20% synergy
Agent of the Shadow Thieves
20% of 5 decks +20% synergy
Fervor
20% of 10 decks +19% synergy
Bitter Reunion
20% of 5 decks +19% synergy
Aggravated Assault
20% of 10 decks +18% synergy
Mortuary
17% of 6 decks +17% synergy
Gift of Doom
17% of 6 decks +16% synergy
Revel in Riches
17% of 6 decks +15% synergy
Dictate of Erebos
17% of 6 decks +15% synergy
Black Market
17% of 6 decks +14% synergy
Exquisite Blood
17% of 6 decks +14% synergy
Sanguine Bond
17% of 6 decks +14% synergy
Industrial Advancement
11% of 9 decks +11% synergy
Determined Iteration
11% of 9 decks +11% synergy
Rain of Riches
11% of 9 decks +10% synergy
Might Makes Right
10% of 10 decks +10% synergy
Blood Sun
10% of 10 decks +10% synergy
Mindmoil
10% of 10 decks +10% synergy
Pandemonium
10% of 10 decks +10% synergy
Vicious Shadows
10% of 10 decks +10% synergy
Goblinslide
10% of 10 decks +10% synergy
Planeswalkers
Xenagos, the Reveler
33% of 3 decks +33% synergy
Garruk, Primal Hunter
33% of 3 decks +32% synergy
Chandra, Torch of Defiance
10% of 10 decks +9% synergy
Utility Lands
Bojuka Bog
50% of 6 decks +34% synergy
Raging Ravine
33% of 3 decks +33% synergy
Skarrg, the Rage Pits
33% of 3 decks +33% synergy
Khalni Garden
33% of 3 decks +33% synergy
Oran-Rief, the Vastwood
33% of 3 decks +31% synergy
Phyrexian Tower
33% of 6 decks +29% synergy
Spinerock Knoll
20% of 10 decks +18% synergy
Forgotten Cave
20% of 10 decks +18% synergy
High Market
20% of 10 decks +17% synergy
Inventors' Fair
20% of 10 decks +16% synergy
Buried Ruin
20% of 10 decks +15% synergy
Takenuma, Abandoned Mire
20% of 5 decks +14% synergy
Urborg, Tomb of Yawgmoth
20% of 10 decks +10% synergy
Reliquary Tower
20% of 10 decks -9% synergy
Molten Slagheap
17% of 6 decks +16% synergy
Cabal Coffers
17% of 6 decks +11% synergy
Sokenzan, Crucible of Defiance
11% of 9 decks +9% synergy
Dormant Volcano
10% of 10 decks +10% synergy
Isolated Watchtower
10% of 10 decks +10% synergy
Sequestered Stash
10% of 10 decks +10% synergy
Flamekin Village
10% of 10 decks +10% synergy
Spawning Bed
10% of 10 decks +10% synergy
Tectonic Edge
10% of 10 decks +9% synergy
Glacial Chasm
10% of 10 decks +9% synergy
Zhalfirin Void
10% of 10 decks +9% synergy
Castle Embereth
10% of 10 decks +8% synergy
Tyrite Sanctum
10% of 10 decks +8% synergy
Field of Ruin
10% of 10 decks +8% synergy
Treasure Vault
10% of 10 decks +7% synergy
Geier Reach Sanitarium
10% of 10 decks +6% synergy
Karn's Bastion
10% of 10 decks +5% synergy
War Room
10% of 10 decks +3% synergy
Yavimaya, Cradle of Growth
10% of 10 decks +1% synergy
Ancient Tomb
10% of 10 decks -1% synergy
Mana Artifacts
Sol Ring
80% of 10 decks -4% synergy
Gruul Signet
33% of 3 decks +31% synergy
Arcane Signet
30% of 10 decks -41% synergy
Rakdos Signet
17% of 6 decks +10% synergy
Lavabrink Floodgates
10% of 10 decks +10% synergy
Thran Turbine
10% of 10 decks +10% synergy
Strixhaven Stadium
10% of 10 decks +9% synergy
Cursed Mirror
10% of 10 decks +8% synergy
Basalt Monolith
10% of 10 decks +7% synergy
Fire Diamond
10% of 10 decks +7% synergy
Hedron Archive
10% of 10 decks +7% synergy
Everflowing Chalice
10% of 10 decks +5% synergy
Mana Crypt
10% of 10 decks -1% synergy
Mind Stone
10% of 10 decks -8% synergy
Lands
Savage Lands
100% of 1 decks +98% synergy
Ziatora's Proving Ground
100% of 1 decks +97% synergy
Spire Garden
100% of 3 decks +95% synergy
Undergrowth Stadium
100% of 1 decks +94% synergy
Woodland Cemetery
100% of 1 decks +94% synergy
Command Tower
70% of 10 decks -4% synergy
Kazandu Refuge
67% of 3 decks +66% synergy
Gruul Guildgate
67% of 3 decks +66% synergy
Fire-Lit Thicket
67% of 3 decks +66% synergy
Gruul Turf
67% of 3 decks +63% synergy
Karplusan Forest
67% of 3 decks +63% synergy
Rockfall Vale
67% of 3 decks +62% synergy
Rootbound Crag
67% of 3 decks +62% synergy
Dragonskull Summit
67% of 6 decks +60% synergy
Smoldering Marsh
67% of 6 decks +59% synergy
Cinder Glade
67% of 3 decks +58% synergy
Stomping Ground
67% of 3 decks +58% synergy
Temple of Malice
50% of 6 decks +47% synergy
Foreboding Ruins
50% of 6 decks +46% synergy
Grove of the Burnwillows
33% of 3 decks +33% synergy
Copperline Gorge
33% of 3 decks +32% synergy
Highland Forest
33% of 3 decks +32% synergy
Rugged Highlands
33% of 3 decks +32% synergy
Wooded Ridgeline
33% of 3 decks +32% synergy
Sheltered Thicket
33% of 3 decks +32% synergy
Bloodfell Caves
33% of 6 decks +32% synergy
Graven Cairns
33% of 6 decks +32% synergy
Shadowblood Ridge
33% of 6 decks +31% synergy
Temple of Abandon
33% of 3 decks +30% synergy
Blighted Woodland
33% of 3 decks +30% synergy
Game Trail
33% of 3 decks +30% synergy
Haunted Ridge
33% of 6 decks +30% synergy
Sulfurous Springs
33% of 6 decks +29% synergy
Luxury Suite
33% of 6 decks +27% synergy
Geothermal Bog
25% of 4 decks +24% synergy
Tramway Station
20% of 5 decks +20% synergy
Demolition Field
20% of 5 decks +17% synergy
Myriad Landscape
20% of 10 decks -0% synergy
Path of Ancestry
20% of 10 decks -1% synergy
Auntie's Hovel
17% of 6 decks +17% synergy
Urborg Volcano
17% of 6 decks +17% synergy
Cinder Barrens
17% of 6 decks +16% synergy
Sulfurous Mire
17% of 6 decks +16% synergy
Akoum Refuge
17% of 6 decks +16% synergy
Blackcleave Cliffs
17% of 6 decks +16% synergy
Thriving Moor
17% of 6 decks +15% synergy
Canyon Slough
17% of 6 decks +15% synergy
Tainted Peak
17% of 6 decks +15% synergy
Blightstep Pathway
17% of 6 decks +14% synergy
Rakdos Carnarium
17% of 6 decks +13% synergy