Mikaeus, the Unhallowed + Workhorse + Heartless Summoning

Mikaeus, the Unhallowed
Workhorse
Heartless Summoning

Requires
Mikaeus, the Unhallowed must be on the battlefield. Workhorse must be on the battlefield. Heartless Summoning must be on the battlefield.
Steps
  1. Activate Workhorse by removing a +1/+1 counter from it, adding .
  2. Repeat step 1 until Workhorse does not have any +1/+1 counters on it.
  3. Workhorse dies as a state-based action due to having zero toughness.
  4. Workhorse's undying ability triggers, returning it from your graveyard to the battlefield with five +1/+1 counters on it.
  5. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB.

Mikaeus, the Unhallowed
3.66% of 1337 decks 49 decks
Acererak the Archlich
0.18% of 1084 decks 2 decks
Marchesa, the Black Rose
0.01% of 9321 decks 1 decks
Maralen of the Mornsong
0.06% of 1590 decks 1 decks
Shirei, Shizo's Caretaker
0.02% of 5330 decks 1 decks
Hapatra, Vizier of Poisons
0.02% of 4813 decks 1 decks
Henzie "Toolbox" Torre
0.01% of 14573 decks 1 decks
Imotekh the Stormlord
0.02% of 6538 decks 1 decks
High Synergy Cards
Ashnod's Altar
89% of 57 decks +82% synergy
Triskelion
79% of 57 decks +78% synergy
Putrid Goblin
72% of 53 decks +71% synergy
Viscera Seer
79% of 57 decks +70% synergy
Phyrexian Altar
72% of 57 decks +68% synergy
Walking Ballista
70% of 54 decks +68% synergy
Carrion Feeder
72% of 57 decks +67% synergy
Blood Artist
77% of 56 decks +65% synergy
Retribution of the Ancients
57% of 56 decks +57% synergy
Zulaport Cutthroat
66% of 56 decks +56% synergy
Top Cards
Dark Ritual
74% of 57 decks +51% synergy
Tatterkite
54% of 57 decks +54% synergy
Blasting Station
54% of 57 decks +54% synergy
Cryptic Trilobite
54% of 52 decks +54% synergy
Crypt Ghast
54% of 56 decks +49% synergy
Gray Merchant of Asphodel
54% of 56 decks +44% synergy
Warren Soultrader
53% of 15 decks +46% synergy
Skullclamp
53% of 57 decks +40% synergy
Puppeteer Clique
51% of 57 decks +49% synergy
Altar of Dementia
51% of 57 decks +48% synergy
Creatures
Yawgmoth, Thran Physician
49% of 53 decks +45% synergy
Ayara, First of Locthwain
47% of 53 decks +43% synergy
Lesser Masticore
45% of 53 decks +45% synergy
Crystalline Crawler
44% of 54 decks +44% synergy
Chainbreaker
44% of 57 decks +44% synergy
Solemn Simulacrum
44% of 57 decks +30% synergy
Gravecrawler
41% of 56 decks +38% synergy
Grim Haruspex
41% of 56 decks +37% synergy
Marionette Apprentice
40% of 15 decks +32% synergy
Pitiless Plunderer
39% of 54 decks +31% synergy
Spincrusher
39% of 57 decks +39% synergy
Bloodthrone Vampire
39% of 57 decks +38% synergy
Accursed Marauder
38% of 8 decks +28% synergy
Skinrender
37% of 57 decks +36% synergy
Plague Belcher
35% of 54 decks +34% synergy
Falkenrath Noble
35% of 57 decks +33% synergy
Syr Konrad, the Grim
34% of 53 decks +25% synergy
Pawn of Ulamog
33% of 57 decks +31% synergy
K'rrik, Son of Yawgmoth
32% of 53 decks +30% synergy
Lingering Tormentor
30% of 57 decks +30% synergy
Fell Stinger
29% of 49 decks +28% synergy
Sidisi, Undead Vizier
29% of 56 decks +27% synergy
Wingrattle Scarecrow
28% of 57 decks +28% synergy
Blood Pet
28% of 57 decks +27% synergy
Soulstinger
26% of 54 decks +26% synergy
Woe Strider
25% of 52 decks +23% synergy
Orcish Bowmasters
23% of 30 decks +12% synergy
Braids, Arisen Nightmare
22% of 45 decks +14% synergy
Baleful Ammit
20% of 54 decks +20% synergy
Grim Servant
20% of 15 decks +19% synergy
Grim Poppet
19% of 57 decks +19% synergy
Cinderhaze Wretch
19% of 57 decks +19% synergy
Hex Parasite
18% of 57 decks +17% synergy
Fleshbag Marauder
18% of 57 decks +14% synergy
Vindictive Lich
17% of 54 decks +16% synergy
Dauthi Voidwalker
16% of 50 decks +8% synergy
Dimir House Guard
16% of 57 decks +15% synergy
Magus of the Coffers
16% of 57 decks +15% synergy
Leaden Myr
16% of 57 decks +14% synergy
Midnight Reaper
15% of 53 decks +11% synergy
Headless Rider
14% of 49 decks +13% synergy
Pith Driller
14% of 57 decks +14% synergy
Phyrexian Ghoul
14% of 57 decks +14% synergy
Flesh-Eater Imp
14% of 57 decks +14% synergy
Carnifex Demon
14% of 57 decks +14% synergy
Monoskelion
14% of 50 decks +14% synergy
Drivnod, Carnage Dominus
14% of 36 decks +11% synergy
Geralf's Messenger
12% of 56 decks +12% synergy
Mindless Automaton
12% of 57 decks +12% synergy
Necrotic Ooze
12% of 57 decks +11% synergy
Instants
Village Rites
47% of 51 decks +37% synergy
Corrupted Conviction
39% of 33 decks +34% synergy
Culling the Weak
37% of 57 decks +33% synergy
Defile
36% of 53 decks +32% synergy
Vampiric Tutor
33% of 57 decks +15% synergy
Deadly Dispute
32% of 50 decks +21% synergy
Not Dead After All
31% of 26 decks +27% synergy
Tragic Slip
30% of 56 decks +27% synergy
Infernal Grasp
27% of 49 decks +19% synergy
Undying Malice
20% of 49 decks +18% synergy
Flare of Malice
20% of 15 decks +17% synergy
Sudden Spoiling
19% of 57 decks +17% synergy
Cabal Ritual
19% of 57 decks +15% synergy
Supernatural Stamina
19% of 54 decks +17% synergy
Entomb
18% of 57 decks +10% synergy
Rain of Filth
16% of 57 decks +15% synergy
Snuff Out
14% of 57 decks +12% synergy
Baleful Mastery
14% of 50 decks +11% synergy
Malakir Rebirth
12% of 51 decks +3% synergy
Reckoner's Bargain
11% of 47 decks +9% synergy
Sacrifice
11% of 57 decks +10% synergy
Go for the Throat
11% of 57 decks +3% synergy
Saw in Half
10% of 39 decks +7% synergy
Nasty End
10% of 30 decks +7% synergy
Plumb the Forbidden
10% of 50 decks +7% synergy
Succumb to Temptation
9% of 54 decks +9% synergy
Shred Memory
9% of 57 decks +8% synergy
Altar's Reap
9% of 57 decks +8% synergy
Imp's Mischief
9% of 57 decks +6% synergy
Deadly Rollick
8% of 52 decks -3% synergy
Cremate
7% of 57 decks +7% synergy
Withering Boon
7% of 57 decks +6% synergy
Feign Death
6% of 50 decks +4% synergy
Force of Despair
6% of 53 decks +4% synergy
Wake the Dead
5% of 56 decks +5% synergy
Murder
5% of 56 decks +2% synergy
Sorceries
Diabolic Intent
46% of 57 decks +37% synergy
Sign in Blood
44% of 57 decks +34% synergy
Demonic Tutor
42% of 57 decks +20% synergy
Feed the Swarm
41% of 51 decks +23% synergy
Diabolic Tutor
40% of 57 decks +34% synergy
Bubbling Muck
37% of 57 decks +35% synergy
Victimize
32% of 57 decks +20% synergy
Toxic Deluge
30% of 56 decks +13% synergy
Night's Whisper
28% of 57 decks +19% synergy
Read the Bones
27% of 56 decks +19% synergy
Reanimate
26% of 57 decks +11% synergy
Mutilate
25% of 57 decks +22% synergy
Persist
24% of 50 decks +22% synergy
Black Sun's Zenith
21% of 57 decks +20% synergy
Insatiable Avarice
19% of 16 decks +14% synergy
Beseech the Queen
18% of 57 decks +16% synergy
Unearth
18% of 57 decks +14% synergy
Exsanguinate
18% of 57 decks +12% synergy
Damnation
18% of 57 decks +9% synergy
Grim Tutor
16% of 57 decks +11% synergy
Living Death
16% of 57 decks +10% synergy
Dread Return
14% of 57 decks +9% synergy
Imperial Seal
14% of 57 decks +8% synergy
Peer into the Abyss
12% of 51 decks +9% synergy
Duress
11% of 57 decks +9% synergy
Buried Alive
11% of 57 decks +5% synergy
Profane Tutor
10% of 50 decks +7% synergy
Diabolic Revelation
9% of 56 decks +9% synergy
Dimir Machinations
9% of 57 decks +9% synergy
Inquisition of Kozilek
9% of 57 decks +8% synergy
Decree of Pain
9% of 57 decks +6% synergy
Bone Shards
8% of 50 decks +6% synergy
Agadeem's Awakening
8% of 51 decks +4% synergy
Razaketh's Rite
7% of 54 decks +7% synergy
Increasing Ambition
7% of 56 decks +7% synergy
Demonic Collusion
7% of 57 decks +7% synergy
Exhume
7% of 57 decks +6% synergy
Unmarked Grave
6% of 50 decks +3% synergy
Walk the Plank
6% of 54 decks +5% synergy
Killing Wave
5% of 56 decks +5% synergy
Bitter Ordeal
5% of 57 decks +5% synergy
Praetor's Grasp
5% of 57 decks +3% synergy
Utility Artifacts
Jet Medallion
47% of 57 decks +45% synergy
Lightning Greaves
35% of 57 decks +10% synergy
Altar of the Brood
30% of 56 decks +29% synergy
Spawning Pit
23% of 57 decks +22% synergy
Sensei's Divining Top
23% of 57 decks +17% synergy
Cauldron of Souls
19% of 57 decks +19% synergy
Swiftfoot Boots
19% of 57 decks -9% synergy
Bolas's Citadel
19% of 53 decks +10% synergy
The One Ring
18% of 34 decks +9% synergy
Agatha's Soul Cauldron
15% of 27 decks +13% synergy
Bontu's Monument
15% of 54 decks +13% synergy
Aetherflux Reservoir
11% of 54 decks +7% synergy
Nim Deathmantle
11% of 57 decks +10% synergy
Krark-Clan Ironworks
11% of 57 decks +9% synergy
Expedition Map
11% of 57 decks +7% synergy
Wishclaw Talisman
9% of 53 decks +4% synergy
Nevinyrral's Disk
7% of 57 decks +6% synergy
Wayfarer's Bauble
7% of 57 decks -3% synergy
Oblivion Stone
5% of 57 decks +5% synergy
Grinding Station
5% of 57 decks +5% synergy
Enchantments
Bastion of Remembrance
45% of 51 decks +39% synergy
Phyrexian Arena
44% of 57 decks +29% synergy
Necropotence
26% of 57 decks +21% synergy
Greed
23% of 57 decks +21% synergy
Grave Pact
21% of 57 decks +17% synergy
Black Market Connections
20% of 46 decks +9% synergy
The Meathook Massacre
18% of 49 decks +13% synergy
Black Market
18% of 57 decks +13% synergy
Dark Privilege
16% of 57 decks +16% synergy
Agent of the Iron Throne
15% of 46 decks +13% synergy
Contamination
14% of 57 decks +14% synergy
Attrition
14% of 57 decks +13% synergy
Oubliette
11% of 57 decks +10% synergy
Phyrexian Reclamation
11% of 57 decks +7% synergy
Animate Dead
11% of 57 decks +1% synergy
Blight Mound
10% of 50 decks +9% synergy
Exquisite Blood
9% of 56 decks +4% synergy
Strands of Night
9% of 57 decks +9% synergy
Fallen Ideal
9% of 57 decks +8% synergy
Dance of the Dead
9% of 57 decks +7% synergy
Sanguine Bond
9% of 57 decks +3% synergy
Nest of Scarabs
7% of 54 decks +7% synergy
Dictate of Erebos
7% of 56 decks +3% synergy
Underworld Connections
5% of 56 decks +4% synergy
Diabolic Servitude
5% of 57 decks +5% synergy
Carnival of Souls
5% of 57 decks +5% synergy
Tortured Existence
5% of 57 decks +4% synergy
Oversold Cemetery
5% of 57 decks +4% synergy
Planeswalkers
Liliana, Dreadhorde General
8% of 53 decks +4% synergy
Liliana, Untouched by Death
6% of 53 decks +5% synergy
Liliana of the Dark Realms
5% of 56 decks +4% synergy
Utility Lands
Cabal Coffers
61% of 57 decks +50% synergy
Cabal Stronghold
55% of 53 decks +51% synergy
Bojuka Bog
53% of 57 decks +22% synergy
Urborg, Tomb of Yawgmoth
46% of 57 decks +36% synergy
Phyrexian Tower
39% of 57 decks +30% synergy
Reliquary Tower
39% of 57 decks +9% synergy
Nykthos, Shrine to Nyx
38% of 56 decks +32% synergy
Temple of the False God
33% of 57 decks +24% synergy
High Market
32% of 57 decks +28% synergy
Witch's Cottage
28% of 53 decks +25% synergy
Barren Moor
25% of 57 decks +21% synergy
Castle Locthwain
25% of 53 decks +19% synergy
War Room
22% of 51 decks +15% synergy
Ancient Tomb
21% of 57 decks +11% synergy
Urza's Saga
20% of 50 decks +13% synergy
Takenuma, Abandoned Mire
17% of 47 decks +6% synergy
Detection Tower
15% of 53 decks +15% synergy
Inventors' Fair
11% of 54 decks +7% synergy
Westvale Abbey
9% of 55 decks +7% synergy
Thespian's Stage
9% of 56 decks +6% synergy
Polluted Mire
9% of 57 decks +8% synergy
Crypt of Agadeem
9% of 57 decks +7% synergy
Tomb Fortress
8% of 39 decks +7% synergy
Command Beacon
7% of 55 decks +3% synergy
Mortuary Mire
7% of 56 decks +2% synergy
Rogue's Passage
7% of 56 decks -12% synergy
Ebon Stronghold
7% of 57 decks +7% synergy
Peat Bog
7% of 57 decks +7% synergy
Lake of the Dead
7% of 57 decks +6% synergy
Crystal Vein
5% of 57 decks +4% synergy
Vault of Whispers
5% of 57 decks +1% synergy
Buried Ruin
5% of 57 decks +0% synergy
Mana Artifacts
Sol Ring
98% of 57 decks +14% synergy
Arcane Signet
64% of 53 decks -8% synergy
Mind Stone
37% of 57 decks +19% synergy
Thought Vessel
29% of 55 decks +12% synergy
Thran Dynamo
23% of 57 decks +18% synergy
Jeweled Lotus
22% of 51 decks +15% synergy
Mana Crypt
19% of 57 decks +10% synergy
Charcoal Diamond
18% of 57 decks +12% synergy
Nyx Lotus
15% of 52 decks +14% synergy
Mana Vault
14% of 57 decks +8% synergy
Commander's Sphere
12% of 56 decks -3% synergy
Mox Opal
11% of 57 decks +6% synergy
Fellwar Stone
11% of 57 decks -11% synergy
Relic of Legends
9% of 45 decks +7% synergy
Worn Powerstone
9% of 57 decks +6% synergy
Chrome Mox
9% of 57 decks +2% synergy
Sceptre of Eternal Glory
8% of 39 decks +7% synergy
Extraplanar Lens
7% of 57 decks +6% synergy
Grim Monolith
7% of 57 decks +5% synergy
Caged Sun
7% of 57 decks +5% synergy
Lotus Petal
7% of 57 decks +0% synergy
Crowded Crypt
6% of 49 decks +5% synergy
Liquimetal Torque
6% of 50 decks +2% synergy
Hedron Archive
5% of 56 decks +2% synergy
Guardian Idol
5% of 57 decks +5% synergy
Prismatic Lens
5% of 57 decks +4% synergy
Basalt Monolith
5% of 57 decks +3% synergy
Mox Diamond
5% of 57 decks +1% synergy
Everflowing Chalice
5% of 57 decks +1% synergy
Lands
Myriad Landscape
29% of 56 decks +9% synergy
Cavern of Souls
14% of 56 decks +7% synergy
Command Tower
9% of 57 decks -65% synergy
Polluted Delta
5% of 57 decks -6% synergy
Verdant Catacombs
5% of 57 decks -6% synergy