Workhorse + Nim Deathmantle + Phyrexian Altar

Workhorse
Nim Deathmantle
Phyrexian Altar

Requires
Workhorse must be on the battlefield. Nim Deathmantle must be on the battlefield. Phyrexian Altar must be on the battlefield. Nim Deathmantle attached to Workhorse.
Steps
  1. Activate Workhorse by removing four +1/+1 counters, adding .
  2. Activate Phyrexian Altar by sacrificing Workhorse, adding one mana of any color.
  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. Repeat.
Results
Infinite colored mana. Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grenzo, Dungeon Warden
1.07% of 3258 decks 35 decks
Mikaeus, the Unhallowed
0.71% of 1274 decks 9 decks
Imotekh the Stormlord
0.29% of 6487 decks 19 decks
High Synergy Cards
Ashnod's Altar
94% of 105 decks +87% synergy
Murderous Redcap
78% of 41 decks +78% synergy
Top Cards
Priest of Urabrask
61% of 49 decks +61% synergy
Goblin Engineer
60% of 48 decks +59% synergy
Skirk Prospector
59% of 49 decks +58% synergy
Tomb Trawler
57% of 14 decks +57% synergy
Enlightened Tutor
57% of 14 decks +49% synergy
Warren Soultrader
56% of 9 decks +51% synergy
Marionette Apprentice
56% of 9 decks +51% synergy
Kiki-Jiki, Mirror Breaker
55% of 49 decks +53% synergy
Viscera Seer
55% of 84 decks +50% synergy
Dockside Extortionist
54% of 48 decks +46% synergy
Creatures
Dauntless Dismantler
75% of 4 decks +73% synergy
Ghostly Pilferer
60% of 5 decks +59% synergy
Imperial Recruiter
51% of 49 decks +48% synergy
River Kelpie
50% of 6 decks +50% synergy
Recruiter of the Guard
50% of 14 decks +49% synergy
Grand Abolisher
50% of 14 decks +46% synergy
Siege-Gang Commander
49% of 49 decks +48% synergy
Goblin Welder
49% of 49 decks +48% synergy
Pitiless Plunderer
48% of 83 decks +44% synergy
Goblin Matron
45% of 49 decks +44% synergy
Eternal Witness
44% of 9 decks +34% synergy
Zulaport Cutthroat
43% of 83 decks +38% synergy
Hoverstone Pilgrim
43% of 21 decks +43% synergy
Molten Gatekeeper
43% of 7 decks +40% synergy
Pinnacle Monk
43% of 7 decks +38% synergy
Esper Sentinel
43% of 14 decks +33% synergy
Blood Artist
42% of 83 decks +36% synergy
Zealous Conscripts
39% of 49 decks +38% synergy
Archivist of Oghma
38% of 13 decks +35% synergy
Priest of Gix
38% of 84 decks +38% synergy
Solemn Simulacrum
37% of 105 decks +23% synergy
Myr Retriever
36% of 105 decks +34% synergy
Ranger-Captain of Eos
36% of 14 decks +34% synergy
Karmic Guide
36% of 14 decks +34% synergy
Pawn of Ulamog
35% of 84 decks +33% synergy
Sling-Gang Lieutenant
34% of 82 decks +34% synergy
Junk Diver
33% of 105 decks +33% synergy
Beast Whisperer
33% of 9 decks +27% synergy
Treasonous Ogre
31% of 49 decks +30% synergy
Anger
31% of 49 decks +28% synergy
Psychomancer
30% of 60 decks +30% synergy
Epitaph Golem
30% of 104 decks +30% synergy
Foundry Inspector
30% of 104 decks +26% synergy
Deathbringer Thoctar
29% of 41 decks +29% synergy
Marionette Master
29% of 83 decks +27% synergy
Scrap Trawler
29% of 104 decks +27% synergy
Walking Ballista
29% of 104 decks +26% synergy
Auriok Salvagers
29% of 14 decks +28% synergy
Beetleback Chief
29% of 49 decks +28% synergy
Felidar Guardian
29% of 14 decks +27% synergy
Stoneforge Mystic
29% of 14 decks +27% synergy
Heliod, Sun-Crowned
29% of 14 decks +27% synergy
Drannith Magistrate
29% of 14 decks +25% synergy
Orcish Bowmasters
29% of 35 decks +23% synergy
Woe Strider
28% of 82 decks +27% synergy
Threefold Thunderhulk
28% of 25 decks +27% synergy
Chainer, Nightmare Adept
28% of 40 decks +26% synergy
Emrakul's Hatcher
27% of 49 decks +26% synergy
Iron Myr
27% of 49 decks +25% synergy
Gray Merchant of Asphodel
27% of 83 decks +22% synergy
Instants
Silence
50% of 14 decks +47% synergy
Cyclonic Rift
50% of 6 decks +36% synergy
Swords to Plowshares
50% of 14 decks +21% synergy
Valakut Awakening
49% of 47 decks +46% synergy
Vampiric Tutor
45% of 84 decks +36% synergy
Dark Ritual
45% of 84 decks +34% synergy
Path to Exile
43% of 14 decks +22% synergy
Beast Within
33% of 9 decks +15% synergy
Chaos Warp
29% of 49 decks +13% synergy
Entomb
27% of 84 decks +24% synergy
Cabal Ritual
25% of 84 decks +23% synergy
Culling the Weak
24% of 84 decks +22% synergy
Fire Prophecy
23% of 47 decks +23% synergy
Volcanic Spite
23% of 22 decks +22% synergy
Defile
22% of 82 decks +20% synergy
Terminate
22% of 41 decks +17% synergy
Brought Back
21% of 14 decks +21% synergy
Ephemerate
21% of 14 decks +19% synergy
Bedevil
17% of 41 decks +14% synergy
Imp's Mischief
17% of 84 decks +15% synergy
Pyroblast
16% of 49 decks +13% synergy
Village Rites
16% of 80 decks +11% synergy
Malakir Rebirth
15% of 80 decks +11% synergy
Tibalt's Trickery
15% of 47 decks +12% synergy
Deflecting Swat
15% of 48 decks +7% synergy
Red Elemental Blast
14% of 49 decks +11% synergy
Go for the Throat
14% of 84 decks +11% synergy
Ad Nauseam
13% of 84 decks +11% synergy
Deadly Rollick
12% of 81 decks +7% synergy
Fire Covenant
12% of 41 decks +11% synergy
Wild Magic Surge
11% of 44 decks +10% synergy
Infernal Grasp
10% of 80 decks +6% synergy
Deadly Dispute
10% of 80 decks +4% synergy
Withering Boon
8% of 84 decks +8% synergy
Pyretic Ritual
8% of 49 decks +7% synergy
Seething Song
8% of 49 decks +5% synergy
Brightstone Ritual
6% of 49 decks +5% synergy
Abrade
6% of 49 decks +1% synergy
Sorceries
Demonic Tutor
48% of 84 decks +36% synergy
Feed the Swarm
41% of 80 decks +32% synergy
Reanimate
37% of 84 decks +29% synergy
Kodama's Reach
33% of 9 decks +18% synergy
Rampant Growth
33% of 9 decks +17% synergy
Diabolic Intent
30% of 84 decks +25% synergy
Into the Fire
29% of 24 decks +29% synergy
Blasphemous Act
29% of 49 decks +12% synergy
Gamble
27% of 49 decks +22% synergy
Jeska's Will
26% of 47 decks +17% synergy
Faithless Looting
24% of 49 decks +16% synergy
Grim Tutor
23% of 84 decks +20% synergy
Beseech the Mirror
22% of 27 decks +20% synergy
Sevinne's Reclamation
21% of 14 decks +18% synergy
Read the Bones
20% of 83 decks +16% synergy
Damnation
19% of 84 decks +15% synergy
Victimize
18% of 84 decks +12% synergy
Toxic Deluge
16% of 83 decks +7% synergy
Dread Return
15% of 84 decks +13% synergy
Living Death
15% of 84 decks +13% synergy
Imperial Seal
14% of 84 decks +11% synergy
Back for Seconds
12% of 24 decks +12% synergy
Agadeem's Awakening
12% of 80 decks +11% synergy
Buried Alive
12% of 84 decks +9% synergy
Lich-Knights' Conquest
11% of 27 decks +9% synergy
Torment of Hailfire
11% of 83 decks +8% synergy
Exsanguinate
11% of 84 decks +8% synergy
Diabolic Tutor
11% of 84 decks +7% synergy
Their Name Is Death
10% of 60 decks +9% synergy
Profane Tutor
9% of 80 decks +7% synergy
Shatterskull Smashing
9% of 47 decks +7% synergy
Night's Whisper
8% of 84 decks +4% synergy
Trash for Treasure
8% of 49 decks +8% synergy
Wheel of Fortune
8% of 49 decks +6% synergy
Vandalblast
8% of 49 decks +0% synergy
Praetor's Grasp
7% of 83 decks +6% synergy
Doomsday
7% of 84 decks +7% synergy
Sign in Blood
7% of 84 decks +2% synergy
Twinflame
6% of 49 decks +5% synergy
Army of the Damned
6% of 83 decks +5% synergy
Beseech the Queen
6% of 84 decks +5% synergy
Yawgmoth's Will
6% of 84 decks +5% synergy
Unearth
6% of 84 decks +4% synergy
Utility Artifacts
Krark-Clan Ironworks
33% of 105 decks +32% synergy
Altar of Dementia
32% of 105 decks +29% synergy
Heartstone
31% of 105 decks +31% synergy
The Cauldron of Eternity
30% of 82 decks +30% synergy
Skullclamp
30% of 105 decks +18% synergy
Mystic Forge
30% of 103 decks +27% synergy
Bolas's Citadel
28% of 82 decks +23% synergy
Sensei's Divining Top
28% of 105 decks +22% synergy
Tel-Jilad Stylus
23% of 105 decks +23% synergy
Sculpting Steel
23% of 105 decks +21% synergy
Cloud Key
22% of 105 decks +20% synergy
The One Ring
21% of 52 decks +12% synergy
Soldevi Digger
20% of 105 decks +20% synergy
Lightning Greaves
20% of 105 decks -5% synergy
Blasting Station
19% of 105 decks +18% synergy
Wishclaw Talisman
18% of 82 decks +16% synergy
Reito Lantern
16% of 105 decks +16% synergy
Grinding Station
16% of 105 decks +16% synergy
Moonsilver Key
16% of 100 decks +14% synergy
Aetherflux Reservoir
14% of 104 decks +10% synergy
Thornbite Staff
14% of 105 decks +13% synergy
Spine of Ish Sah
14% of 105 decks +13% synergy
Rings of Brighthearth
14% of 105 decks +12% synergy
Staff of Domination
13% of 105 decks +11% synergy
Wayfarer's Bauble
13% of 105 decks +3% synergy
Panharmonicon
12% of 104 decks +8% synergy
Unwinding Clock
11% of 104 decks +8% synergy
Crystal Ball
10% of 105 decks +10% synergy
Jet Medallion
10% of 105 decks +8% synergy
Salvaging Station
10% of 105 decks +9% synergy
Mycosynth Lattice
10% of 105 decks +9% synergy
Umbral Mantle
10% of 105 decks +9% synergy
Mesmeric Orb
10% of 105 decks +8% synergy
Ichor Wellspring
10% of 105 decks +8% synergy
Desecrated Tomb
9% of 104 decks +8% synergy
Altar of the Brood
9% of 104 decks +7% synergy
Teferi's Puzzle Box
9% of 105 decks +8% synergy
Expedition Map
9% of 105 decks +5% synergy
Codex Shredder
8% of 104 decks +7% synergy
Cauldron of Souls
8% of 105 decks +7% synergy
Helm of Awakening
8% of 105 decks +7% synergy
Cloudstone Curio
8% of 105 decks +7% synergy
Mishra's Bauble
8% of 105 decks +6% synergy
Palantír of Orthanc
7% of 43 decks +5% synergy
Forsaken Monument
7% of 101 decks +5% synergy
Swiftfoot Boots
7% of 104 decks -21% synergy
Darksteel Pendant
7% of 105 decks +7% synergy
Sword of the Paruns
7% of 105 decks +6% synergy
Conjurer's Bauble
7% of 105 decks +6% synergy
Semblance Anvil
7% of 105 decks +6% synergy
Enchantments
Goblin Bombardment
43% of 49 decks +40% synergy
Impact Tremors
41% of 49 decks +36% synergy
Enduring Renewal
29% of 14 decks +29% synergy
Smothering Tithe
29% of 14 decks +17% synergy
Tortured Existence
23% of 84 decks +22% synergy
Land Tax
21% of 14 decks +18% synergy
Blind Obedience
21% of 14 decks +18% synergy
Mana Echoes
20% of 49 decks +20% synergy
Black Market Connections
19% of 73 decks +14% synergy
Grave Pact
19% of 84 decks +17% synergy
Animate Dead
19% of 84 decks +14% synergy
Phyrexian Arena
18% of 84 decks +10% synergy
Agent of the Iron Throne
18% of 73 decks +16% synergy
Braid of Fire
16% of 49 decks +16% synergy
Underworld Breach
15% of 48 decks +12% synergy
Phyrexian Reclamation
13% of 84 decks +11% synergy
Necropotence
13% of 84 decks +10% synergy
The Meathook Massacre
11% of 80 decks +9% synergy
Necromancy
11% of 84 decks +9% synergy
Biotransference
10% of 60 decks +9% synergy
Black Market
10% of 84 decks +7% synergy
Bastion of Remembrance
9% of 80 decks +6% synergy
Heartless Summoning
8% of 83 decks +8% synergy
Blood Moon
8% of 49 decks +7% synergy
Warstorm Surge
8% of 49 decks +5% synergy
Dictate of Erebos
7% of 83 decks +5% synergy
Fires of Invention
6% of 48 decks +6% synergy
Retribution of the Ancients
6% of 83 decks +6% synergy
Bitterblossom
6% of 84 decks +4% synergy
Planeswalkers
Karn, the Great Creator
11% of 103 decks +9% synergy
Ugin, the Ineffable
8% of 103 decks +6% synergy
Utility Lands
Cabal Coffers
42% of 84 decks +36% synergy
Ancient Den
36% of 14 decks +33% synergy
Bojuka Bog
36% of 84 decks +20% synergy
Vault of Whispers
35% of 84 decks +32% synergy
Ancient Tomb
33% of 105 decks +23% synergy
Urborg, Tomb of Yawgmoth
32% of 105 decks +22% synergy
Inventors' Fair
32% of 104 decks +28% synergy
Buried Ruin
30% of 104 decks +24% synergy
Phyrexian Tower
29% of 84 decks +24% synergy
Eiganjo, Seat of the Empire
29% of 14 decks +24% synergy
Urza's Saga
25% of 101 decks +18% synergy
Great Furnace
24% of 49 decks +22% synergy
Takenuma, Abandoned Mire
21% of 76 decks +15% synergy
Zhalfirin Void
17% of 104 decks +16% synergy
Nykthos, Shrine to Nyx
17% of 104 decks +12% synergy
Tomb Fortress
17% of 60 decks +16% synergy
Cabal Stronghold
16% of 83 decks +14% synergy
High Market
14% of 105 decks +11% synergy
Reliquary Tower
13% of 105 decks -16% synergy
Treasure Vault
13% of 101 decks +10% synergy
Darksteel Citadel
10% of 105 decks +6% synergy
Temple of the False God
10% of 105 decks +1% synergy
Spinerock Knoll
10% of 49 decks +8% synergy
War Room
10% of 101 decks +3% synergy
Ghost Quarter
9% of 105 decks +6% synergy
Mortuary Mire
8% of 83 decks +6% synergy
Command Beacon
8% of 104 decks +3% synergy
Deserted Temple
8% of 105 decks +7% synergy
Crystal Vein
8% of 105 decks +7% synergy
Vesuva
8% of 105 decks +6% synergy
Witch's Cottage
7% of 82 decks +5% synergy
Strip Mine
7% of 105 decks +4% synergy
Dakmor Salvage
6% of 84 decks +5% synergy
Emergence Zone
6% of 103 decks +3% synergy
Isolated Watchtower
6% of 104 decks +6% synergy
Homeward Path
6% of 104 decks +4% synergy
Thespian's Stage
6% of 104 decks +3% synergy
Mana Artifacts
Sol Ring
93% of 105 decks +9% synergy
Talisman of Conviction
80% of 5 decks +75% synergy
Arcane Signet
63% of 103 decks -8% synergy
Boros Signet
60% of 5 decks +55% synergy
Rakdos Signet
44% of 41 decks +37% synergy
Talisman of Indulgence
34% of 41 decks +28% synergy
Mana Crypt
32% of 105 decks +21% synergy
Mind Stone
31% of 105 decks +14% synergy
Mana Vault
29% of 105 decks +22% synergy
Basalt Monolith
22% of 105 decks +19% synergy
Jeweled Lotus
22% of 101 decks +14% synergy
Fellwar Stone
18% of 105 decks -3% synergy
Thran Dynamo
14% of 105 decks +9% synergy
Lotus Petal
14% of 105 decks +8% synergy
Throne of Eldraine
13% of 30 decks +11% synergy
Chrome Mox
13% of 105 decks +7% synergy
Cursed Mirror
13% of 47 decks +10% synergy
Grim Monolith
12% of 105 decks +10% synergy
Sceptre of Eternal Glory
12% of 75 decks +11% synergy
Mox Amber
11% of 104 decks +7% synergy
Thran Turbine
10% of 105 decks +10% synergy
Mox Opal
10% of 105 decks +6% synergy
Thought Vessel
10% of 104 decks -7% synergy
Chromatic Star
10% of 105 decks +9% synergy
Commander's Sphere
9% of 104 decks -7% synergy
Worn Powerstone
9% of 105 decks +6% synergy
Gilded Lotus
9% of 105 decks +5% synergy
Everflowing Chalice
9% of 105 decks +4% synergy
Charcoal Diamond
8% of 84 decks +6% synergy
Fire Diamond
8% of 49 decks +5% synergy
Liquimetal Torque
8% of 101 decks +4% synergy
Caged Sun
8% of 104 decks +5% synergy
Hedron Archive
7% of 104 decks +4% synergy
Chromatic Sphere
7% of 105 decks +6% synergy
Lion's Eye Diamond
6% of 105 decks +4% synergy
Lands
Temple of Deceit
67% of 6 decks +63% synergy
Dragonskull Summit
66% of 41 decks +59% synergy
Temple of Malice
61% of 41 decks +58% synergy
Needleverge Pathway
60% of 5 decks +58% synergy
Battlefield Forge
60% of 5 decks +54% synergy
Sacred Foundry
60% of 5 decks +52% synergy
Blood Crypt
56% of 41 decks +47% synergy
Drowned Catacomb
50% of 6 decks +44% synergy
Sunken Hollow
50% of 6 decks +41% synergy
Command Tower
49% of 104 decks -25% synergy
Luxury Suite
46% of 41 decks +40% synergy
Smoldering Marsh
46% of 41 decks +39% synergy
Graven Cairns
41% of 41 decks +40% synergy
Sulfurous Springs
37% of 41 decks +32% synergy
Blightstep Pathway
33% of 39 decks +31% synergy
Haunted Ridge
33% of 39 decks +30% synergy
Tainted Peak
27% of 41 decks +25% synergy
Shadowblood Ridge
27% of 41 decks +24% synergy
Foreboding Ruins
27% of 41 decks +23% synergy
The Grey Havens
20% of 41 decks +18% synergy
Bloodstained Mire
17% of 105 decks +7% synergy
Crystal Grotto
16% of 85 decks +16% synergy
Rakdos Carnarium
15% of 41 decks +11% synergy
Exotic Orchard
12% of 105 decks -23% synergy
Badlands
12% of 41 decks +9% synergy
Myriad Landscape
11% of 104 decks -10% synergy
Path of Ancestry
11% of 104 decks -10% synergy
Marsh Flats
10% of 105 decks -1% synergy
Drossforge Bridge
10% of 39 decks +9% synergy
Blackcleave Cliffs
10% of 41 decks +9% synergy
Canyon Slough
10% of 41 decks +9% synergy
Bloodfell Caves
10% of 41 decks +8% synergy
Fabled Passage
10% of 103 decks +0% synergy
Cavern of Souls
10% of 104 decks +3% synergy
Gemstone Caverns
10% of 105 decks +5% synergy
Arid Mesa
10% of 105 decks -1% synergy
Verdant Catacombs
10% of 105 decks -2% synergy
The Mycosynth Gardens
9% of 54 decks +7% synergy
Prismatic Vista
8% of 103 decks +2% synergy
Polluted Delta
8% of 105 decks -3% synergy
Akoum Refuge
7% of 41 decks +7% synergy
Wooded Foothills
7% of 105 decks -3% synergy
Terramorphic Expanse
7% of 105 decks -9% synergy
Demolition Field
6% of 67 decks +3% synergy
Mana Confluence
6% of 104 decks -2% synergy
Scalding Tarn
6% of 105 decks -5% synergy
Evolving Wilds
6% of 105 decks -15% synergy