Workhorse + Mikaeus, the Unhallowed + Ashnod's Altar

Workhorse
Mikaeus, the Unhallowed
Ashnod's Altar

Requires
Workhorse must be on the battlefield. Mikaeus, the Unhallowed must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Workhorse by removing all +1/+1 counters, adding that many .
  2. Activate Ashnod's Altar by sacrificing Workhorse, adding .
  3. Workhorse undying ability triggers, returning it to the battlefield with an additional +1/+1 counter on it.
  4. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Mikaeus, the Unhallowed
10.31% of 1358 decks 140 decks
Grenzo, Dungeon Warden
1.40% of 3286 decks 46 decks
Marchesa, the Black Rose
0.12% of 9456 decks 11 decks
Imotekh the Stormlord
0.12% of 6524 decks 8 decks
Meren of Clan Nel Toth
0.03% of 15123 decks 4 decks
Ghave, Guru of Spores
0.05% of 6440 decks 3 decks
Acererak the Archlich
0.18% of 1095 decks 2 decks
Xantcha, Sleeper Agent
0.06% of 3140 decks 2 decks
Yawgmoth, Thran Physician
0.04% of 5603 decks 2 decks
K'rrik, Son of Yawgmoth
0.01% of 14093 decks 2 decks
Bane, Lord of Darkness
0.09% of 2122 decks 2 decks
Sidisi, Undead Vizier
0.36% of 551 decks 2 decks
Totentanz, Swarm Piper
0.04% of 2830 decks 1 decks
Gev, Scaled Scorch
0.02% of 4662 decks 1 decks
Chainer, Dementia Master
0.06% of 1657 decks 1 decks
Muldrotha, the Gravetide
0.01% of 15505 decks 1 decks
Judith, the Scourge Diva
0.12% of 858 decks 1 decks
Tevesh Szat, Doom of Fools // Tormod, the Desecrator
0.81% of 124 decks 1 decks
New Cards
Withering Torment
58% of 19 decks +38% synergy
Funeral Room // Awakening Hall
14% of 22 decks +9% synergy
Vengeful Bloodwitch
14% of 22 decks +12% synergy
High Synergy Cards
Triskelion
72% of 247 decks +72% synergy
Viscera Seer
75% of 247 decks +66% synergy
Murderous Redcap
65% of 65 decks +63% synergy
Phyrexian Altar
62% of 247 decks +58% synergy
Kiki-Jiki, Mirror Breaker
60% of 65 decks +56% synergy
Putrid Goblin
54% of 237 decks +53% synergy
Blood Artist
64% of 245 decks +53% synergy
Walking Ballista
54% of 242 decks +51% synergy
Carrion Feeder
55% of 247 decks +50% synergy
Enlightened Tutor
67% of 6 decks +49% synergy
Top Cards
Dark Ritual
62% of 247 decks +40% synergy
Zulaport Cutthroat
56% of 244 decks +46% synergy
Gray Merchant of Asphodel
54% of 245 decks +45% synergy
Warren Soultrader
53% of 60 decks +46% synergy
Baleful Strix
50% of 16 decks +37% synergy
Pitiless Plunderer
48% of 242 decks +41% synergy
Puppeteer Clique
48% of 247 decks +46% synergy
Zealous Conscripts
48% of 65 decks +46% synergy
Altar of Dementia
46% of 247 decks +43% synergy
Doubling Season
46% of 13 decks +37% synergy
Creatures
Good-Fortune Unicorn
75% of 4 decks +72% synergy
Eternal Witness
46% of 13 decks +25% synergy
Solemn Simulacrum
46% of 247 decks +32% synergy
Glen Elendra Archmage
44% of 16 decks +41% synergy
Danny Pink
43% of 7 decks +41% synergy
Agate Instigator
43% of 7 decks +35% synergy
Tatterkite
43% of 247 decks +42% synergy
Priest of Urabrask
42% of 65 decks +41% synergy
Crypt Ghast
41% of 245 decks +36% synergy
Dockside Extortionist
39% of 62 decks +27% synergy
Sakura-Tribe Elder
38% of 13 decks +20% synergy
Gravecrawler
38% of 246 decks +36% synergy
Pawn of Ulamog
38% of 247 decks +35% synergy
River Kelpie
38% of 16 decks +37% synergy
Goblin Engineer
37% of 62 decks +34% synergy
Ayara, First of Locthwain
36% of 236 decks +32% synergy
Siege-Gang Commander
35% of 65 decks +33% synergy
Iron Myr
34% of 65 decks +31% synergy
Imperial Recruiter
34% of 65 decks +28% synergy
Gev, Scaled Scorch
33% of 9 decks +32% synergy
Cryptic Trilobite
33% of 231 decks +33% synergy
Goblin Welder
32% of 65 decks +30% synergy
Mulldrifter
31% of 16 decks +25% synergy
Yawgmoth, Thran Physician
31% of 237 decks +28% synergy
Accursed Marauder
31% of 45 decks +22% synergy
Utopia Mycon
31% of 13 decks +30% synergy
Acidic Slime
31% of 13 decks +27% synergy
Corpsejack Menace
31% of 13 decks +26% synergy
Grim Haruspex
30% of 245 decks +26% synergy
Chainbreaker
30% of 247 decks +30% synergy
Flayer of the Hatebound
29% of 65 decks +28% synergy
Skirk Prospector
29% of 65 decks +27% synergy
Lesser Masticore
29% of 237 decks +29% synergy
Marionette Apprentice
28% of 60 decks +21% synergy
Plague Belcher
28% of 242 decks +27% synergy
Lingering Tormentor
28% of 247 decks +28% synergy
Chatterfang, Squirrel General
27% of 11 decks +22% synergy
Orcish Bowmasters
27% of 139 decks +16% synergy
Syr Konrad, the Grim
26% of 236 decks +17% synergy
Skittering Precursor
25% of 16 decks +25% synergy
Sage of Fables
25% of 16 decks +25% synergy
Persistent Constrictor
25% of 12 decks +19% synergy
Spark Double
25% of 16 decks +18% synergy
Wingrattle Scarecrow
24% of 247 decks +24% synergy
Sidisi, Undead Vizier
24% of 244 decks +22% synergy
Crystalline Crawler
24% of 242 decks +23% synergy
Barkform Harvester
23% of 30 decks +23% synergy
Spike Feeder
23% of 13 decks +23% synergy
Goblin Matron
23% of 65 decks +21% synergy
Spore Frog
23% of 13 decks +20% synergy
Instants
Swords to Plowshares
50% of 6 decks -13% synergy
Valakut Awakening
46% of 59 decks +40% synergy
Vampiric Tutor
38% of 247 decks +20% synergy
Chaos Warp
32% of 65 decks +0% synergy
Mana Drain
31% of 16 decks +16% synergy
Cyclonic Rift
31% of 16 decks +3% synergy
Counterspell
31% of 16 decks -12% synergy
Worldly Tutor
31% of 13 decks +17% synergy
Village Rites
31% of 229 decks +21% synergy
Fierce Guardianship
27% of 15 decks +9% synergy
Terminate
26% of 65 decks +5% synergy
Culling the Weak
25% of 247 decks +21% synergy
Brainstorm
25% of 16 decks +4% synergy
Defile
24% of 237 decks +21% synergy
Krosan Grip
23% of 13 decks +16% synergy
Abrupt Decay
23% of 13 decks +13% synergy
Putrefy
23% of 13 decks +7% synergy
Assassin's Trophy
23% of 13 decks -7% synergy
Tragic Slip
22% of 246 decks +19% synergy
Deadly Dispute
22% of 223 decks +11% synergy
Fire Prophecy
20% of 60 decks +20% synergy
Deflecting Swat
20% of 60 decks +4% synergy
Corrupted Conviction
20% of 151 decks +14% synergy
Cabal Ritual
20% of 247 decks +15% synergy
Entomb
19% of 247 decks +12% synergy
Disallow
19% of 16 decks +17% synergy
Fell the Profane
17% of 60 decks +5% synergy
Deadly Rollick
16% of 231 decks +5% synergy
Infernal Grasp
14% of 221 decks +7% synergy
Rakdos Charm
14% of 65 decks -1% synergy
Malakir Rebirth
13% of 227 decks +5% synergy
Pyroblast
12% of 65 decks +6% synergy
Red Elemental Blast
12% of 65 decks +6% synergy
Not Dead After All
12% of 115 decks +9% synergy
Imp's Mischief
12% of 247 decks +9% synergy
Sudden Spoiling
11% of 247 decks +9% synergy
First Day of Class
11% of 57 decks +10% synergy
Volcanic Spite
10% of 40 decks +10% synergy
Go for the Throat
10% of 247 decks +3% synergy
Bedevil
10% of 63 decks -5% synergy
Tibalt's Trickery
9% of 57 decks +3% synergy
Flare of Malice
8% of 61 decks +5% synergy
Saw in Half
8% of 185 decks +5% synergy
Baleful Mastery
8% of 224 decks +5% synergy
Snuff Out
7% of 247 decks +5% synergy
Bitter Triumph
7% of 83 decks +3% synergy
Undying Malice
6% of 219 decks +4% synergy
Fire Covenant
6% of 65 decks +3% synergy
Consuming Corruption
6% of 49 decks +4% synergy
Supernatural Stamina
6% of 242 decks +4% synergy
Sorceries
Demonic Tutor
46% of 247 decks +24% synergy
Feed the Swarm
44% of 227 decks +25% synergy
Diabolic Intent
36% of 247 decks +27% synergy
Reanimate
31% of 247 decks +15% synergy
Blasphemous Act
31% of 65 decks -3% synergy
Sign in Blood
29% of 247 decks +19% synergy
Diabolic Tutor
29% of 247 decks +22% synergy
Toxic Deluge
26% of 245 decks +8% synergy
Victimize
26% of 247 decks +14% synergy
Green Sun's Zenith
23% of 13 decks +17% synergy
Three Visits
23% of 13 decks -2% synergy
Nature's Lore
23% of 13 decks -9% synergy
Into the Fire
22% of 40 decks +22% synergy
Damnation
22% of 247 decks +14% synergy
Gamble
20% of 65 decks +10% synergy
Exsanguinate
19% of 247 decks +13% synergy
Insatiable Avarice
19% of 70 decks +14% synergy
Jeska's Will
17% of 58 decks -0% synergy
Grim Tutor
17% of 247 decks +12% synergy
Night's Whisper
17% of 247 decks +8% synergy
Read the Bones
16% of 245 decks +9% synergy
Bubbling Muck
16% of 247 decks +15% synergy
Dread Return
16% of 247 decks +11% synergy
Living Death
16% of 247 decks +10% synergy
Vandalblast
15% of 65 decks -1% synergy
Imperial Seal
13% of 247 decks +8% synergy
Mutilate
13% of 247 decks +11% synergy
Torment of Hailfire
12% of 242 decks +7% synergy
Beseech the Queen
12% of 247 decks +11% synergy
Buried Alive
12% of 247 decks +6% synergy
Persist
12% of 223 decks +9% synergy
Beseech the Mirror
11% of 121 decks +7% synergy
Faithless Looting
9% of 65 decks -7% synergy
Profane Tutor
9% of 223 decks +6% synergy
Unearth
9% of 247 decks +5% synergy
Agadeem's Awakening
8% of 227 decks +5% synergy
Black Sun's Zenith
8% of 247 decks +7% synergy
Twinflame
8% of 65 decks +5% synergy
Sinister Waltz
7% of 55 decks +7% synergy
Mana Geyser
6% of 65 decks -1% synergy
Doomsday
6% of 247 decks +5% synergy
Lively Dirge
6% of 70 decks +3% synergy
Bone Shards
5% of 223 decks +4% synergy
Decree of Pain
5% of 247 decks +3% synergy
Utility Artifacts
Skullclamp
44% of 247 decks +32% synergy
Blasting Station
38% of 247 decks +37% synergy
Lightning Greaves
34% of 247 decks +9% synergy
Birthing Pod
31% of 13 decks +28% synergy
Jet Medallion
30% of 247 decks +27% synergy
Bolas's Citadel
25% of 238 decks +16% synergy
Cauldron of Souls
21% of 247 decks +20% synergy
Altar of the Brood
20% of 245 decks +19% synergy
Swiftfoot Boots
18% of 247 decks -10% synergy
Sensei's Divining Top
17% of 247 decks +11% synergy
Heartstone
16% of 247 decks +15% synergy
Nim Deathmantle
15% of 247 decks +14% synergy
Bontu's Monument
15% of 242 decks +13% synergy
Wayfarer's Bauble
14% of 247 decks +4% synergy
The Cauldron of Eternity
14% of 236 decks +13% synergy
The One Ring
12% of 152 decks +4% synergy
Desecrated Tomb
12% of 241 decks +12% synergy
Expedition Map
11% of 247 decks +7% synergy
Krark-Clan Ironworks
10% of 247 decks +9% synergy
Tel-Jilad Stylus
9% of 247 decks +9% synergy
Spawning Pit
9% of 247 decks +9% synergy
Aetherflux Reservoir
9% of 242 decks +5% synergy
Teferi's Puzzle Box
9% of 247 decks +7% synergy
Agatha's Soul Cauldron
8% of 121 decks +7% synergy
Moonsilver Key
8% of 221 decks +6% synergy
Wishclaw Talisman
8% of 236 decks +2% synergy
Reito Lantern
7% of 247 decks +7% synergy
The Ozolith
6% of 230 decks +3% synergy
Crystal Ball
6% of 247 decks +5% synergy
Soldevi Digger
5% of 247 decks +5% synergy
Grinding Station
5% of 247 decks +5% synergy
Enchantments
Aura Shards
75% of 4 decks +66% synergy
Anointed Procession
50% of 6 decks +41% synergy
Rhystic Study
44% of 16 decks +16% synergy
Goblin Bombardment
38% of 65 decks +32% synergy
Retribution of the Ancients
38% of 245 decks +37% synergy
Phyrexian Arena
30% of 247 decks +15% synergy
Bastion of Remembrance
30% of 230 decks +23% synergy
Grave Pact
29% of 247 decks +24% synergy
Impact Tremors
28% of 65 decks +18% synergy
Braid of Fire
26% of 65 decks +25% synergy
Black Market
26% of 247 decks +21% synergy
Branching Evolution
25% of 12 decks +20% synergy
Mystic Remora
25% of 16 decks +7% synergy
Earthcraft
23% of 13 decks +22% synergy
Awakening Zone
23% of 13 decks +21% synergy
Primal Vigor
23% of 13 decks +20% synergy
Parallel Lives
23% of 13 decks +16% synergy
Hardened Scales
23% of 13 decks +14% synergy
Sylvan Library
23% of 13 decks +11% synergy
Heartless Summoning
21% of 247 decks +21% synergy
The Meathook Massacre
18% of 221 decks +13% synergy
Dictate of Erebos
18% of 245 decks +14% synergy
Black Market Connections
16% of 208 decks +5% synergy
Necropotence
16% of 247 decks +11% synergy
Animate Dead
14% of 247 decks +5% synergy
Mana Echoes
14% of 65 decks +13% synergy
Uncivil Unrest
12% of 40 decks +11% synergy
Agent of the Iron Throne
12% of 208 decks +10% synergy
Mindmoil
12% of 65 decks +12% synergy
Ripples of Undeath
12% of 49 decks +6% synergy
Underworld Breach
10% of 61 decks +4% synergy
Exquisite Blood
10% of 245 decks +5% synergy
Sneak Attack
9% of 65 decks +7% synergy
Open the Graves
9% of 241 decks +8% synergy
Phyrexian Reclamation
9% of 247 decks +5% synergy
Contamination
9% of 247 decks +8% synergy
Sanguine Bond
8% of 247 decks +2% synergy
Greed
7% of 247 decks +5% synergy
Tortured Existence
6% of 247 decks +5% synergy
Necromancy
6% of 247 decks +3% synergy
Bitterblossom
6% of 247 decks +2% synergy
Fires of Invention
6% of 62 decks +6% synergy
Thran Vigil
6% of 172 decks +6% synergy
Blood Moon
6% of 65 decks +3% synergy
Attrition
6% of 247 decks +5% synergy
Shadows of the Past
5% of 244 decks +5% synergy
Virtue of Persistence
5% of 115 decks +2% synergy
Planeswalkers
Liliana, Dreadhorde General
9% of 238 decks +6% synergy
Liliana of the Dark Realms
5% of 245 decks +4% synergy
Utility Lands
Gavony Township
75% of 4 decks +65% synergy
Cabal Coffers
56% of 247 decks +45% synergy
Urborg, Tomb of Yawgmoth
47% of 247 decks +38% synergy
Bojuka Bog
41% of 247 decks +11% synergy
Phyrexian Tower
33% of 247 decks +24% synergy
Cabal Stronghold
31% of 241 decks +27% synergy
Reliquary Tower
26% of 247 decks -4% synergy
Nykthos, Shrine to Nyx
25% of 245 decks +20% synergy
Ancient Tomb
20% of 247 decks +10% synergy
High Market
20% of 247 decks +17% synergy
Takenuma, Abandoned Mire
16% of 214 decks +6% synergy
Witch's Cottage
16% of 236 decks +12% synergy
Castle Locthwain
16% of 236 decks +11% synergy
Temple of the False God
15% of 247 decks +6% synergy
Urza's Saga
13% of 223 decks +6% synergy
Spymaster's Vault
12% of 60 decks +8% synergy
Buried Ruin
11% of 247 decks +6% synergy
Barren Moor
11% of 247 decks +7% synergy
Great Furnace
11% of 65 decks +5% synergy
Inventors' Fair
10% of 242 decks +7% synergy
War Room
9% of 226 decks +3% synergy
Mortuary Mire
9% of 244 decks +4% synergy
Crypt of Agadeem
9% of 247 decks +7% synergy
Thespian's Stage
8% of 245 decks +6% synergy
Vault of Whispers
8% of 247 decks +3% synergy
Rogue's Passage
7% of 245 decks -12% synergy
Volrath's Stronghold
7% of 247 decks +6% synergy
Sokenzan, Crucible of Defiance
7% of 55 decks +2% synergy
Command Beacon
7% of 243 decks +2% synergy
Zhalfirin Void
7% of 241 decks +6% synergy
Forgotten Cave
6% of 65 decks +2% synergy
Deserted Temple
5% of 247 decks +5% synergy
Hidden Necropolis
5% of 98 decks +4% synergy
Mana Artifacts
Sol Ring
94% of 247 decks +9% synergy
Arcane Signet
64% of 236 decks -9% synergy
Golgari Signet
54% of 13 decks +41% synergy
Talisman of Creativity
50% of 10 decks +21% synergy
Talisman of Dominance
50% of 16 decks +19% synergy
Rakdos Signet
48% of 65 decks +18% synergy
Talisman of Indulgence
45% of 65 decks +18% synergy
Dimir Signet
31% of 16 decks +2% synergy
Talisman of Resilience
31% of 13 decks +19% synergy
Mind Stone
28% of 247 decks +10% synergy
Izzet Signet
27% of 11 decks -1% synergy
Charcoal Diamond
19% of 247 decks +13% synergy
Mana Crypt
18% of 247 decks +9% synergy
Thought Vessel
17% of 243 decks +0% synergy
Jeweled Lotus
15% of 226 decks +9% synergy
Fellwar Stone
14% of 247 decks -7% synergy
Thran Dynamo
13% of 247 decks +9% synergy
Mana Vault
13% of 247 decks +7% synergy
Sceptre of Eternal Glory
13% of 185 decks +12% synergy
Commander's Sphere
12% of 245 decks -3% synergy
Caged Sun
12% of 247 decks +9% synergy
Crowded Crypt
9% of 221 decks +8% synergy
Chrome Mox
9% of 247 decks +3% synergy
Throne of Eldraine
8% of 107 decks +6% synergy
Nyx Lotus
8% of 234 decks +7% synergy
Thran Turbine
8% of 247 decks +8% synergy
Lotus Petal
8% of 247 decks +1% synergy
Worn Powerstone
6% of 247 decks +3% synergy
Gilded Lotus
6% of 247 decks +2% synergy
Mox Opal
6% of 247 decks +1% synergy
Basalt Monolith
5% of 247 decks +3% synergy
Everflowing Chalice
5% of 247 decks +1% synergy
Lands
Temple Garden
100% of 4 decks +60% synergy
Stomping Ground
100% of 3 decks +59% synergy
Overgrown Tomb
92% of 13 decks +50% synergy
Godless Shrine
83% of 6 decks +43% synergy
Savannah
75% of 4 decks +62% synergy
Steam Vents
73% of 11 decks +34% synergy
Blood Crypt
71% of 65 decks +32% synergy
Watery Grave
69% of 16 decks +28% synergy
Shivan Reef
64% of 11 decks +37% synergy
Sulfur Falls
64% of 11 decks +33% synergy
Dragonskull Summit
62% of 65 decks +31% synergy
Xander's Lounge
60% of 10 decks +33% synergy
Scrubland
50% of 6 decks +36% synergy
Llanowar Wastes
46% of 13 decks +21% synergy
Luxury Suite
46% of 65 decks +20% synergy
Woodland Cemetery
46% of 13 decks +18% synergy
Undergrowth Stadium
45% of 11 decks +19% synergy
Sulfurous Springs
45% of 65 decks +24% synergy
Smoldering Marsh
45% of 65 decks +12% synergy
Drowned Catacomb
44% of 16 decks +18% synergy
Haunted Ridge
43% of 56 decks +27% synergy
Temple of Malice
42% of 65 decks +27% synergy
Stormcarved Coast
40% of 10 decks +22% synergy
Tainted Wood
38% of 13 decks +25% synergy
Bayou
38% of 13 decks +25% synergy
Crumbling Necropolis
36% of 11 decks +5% synergy
Graven Cairns
34% of 65 decks +26% synergy
Rakdos Carnarium
34% of 65 decks +19% synergy
Shipwreck Marsh
33% of 15 decks +14% synergy
Blightstep Pathway
32% of 57 decks +22% synergy
Underground River
31% of 16 decks +12% synergy
Twilight Mire
31% of 13 decks +21% synergy
Golgari Rot Farm
31% of 13 decks +13% synergy
Command Tower
31% of 247 decks -43% synergy
Training Center
30% of 10 decks +3% synergy
Necroblossom Snarl
27% of 11 decks +16% synergy
Foreboding Ruins
26% of 65 decks +10% synergy
Morphic Pool
25% of 16 decks -1% synergy
Jungle Hollow
23% of 13 decks +14% synergy
Temple of Malady
23% of 13 decks +7% synergy
Tainted Peak
20% of 65 decks +10% synergy
Raucous Theater
20% of 25 decks +7% synergy
Badlands
20% of 65 decks +6% synergy
Canyon Slough
18% of 65 decks +12% synergy
Shadowblood Ridge
18% of 65 decks +6% synergy
Geothermal Bog
17% of 52 decks +14% synergy
Myriad Landscape
17% of 245 decks -2% synergy
Blackcleave Cliffs
15% of 65 decks +10% synergy
Bloodstained Mire
15% of 247 decks +4% synergy
Mount Doom
12% of 40 decks +5% synergy