Mikaeus, the Unhallowed + Crystalline Crawler + Ashnod's Altar

Mikaeus, the Unhallowed
Crystalline Crawler
Ashnod's Altar

Requires
Mikaeus, the Unhallowed must be on the battlefield. Crystalline Crawler must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. If Crystalline Crawler has a +1/+1 counter on it, activate its first ability by removing a +1/+1 counter from it, adding one mana of any color.
  2. Repeat step 1 until Crystalline Crawler has no +1/+1 counters on it.
  3. Activate Ashnod's Altar by sacrificing Crystalline Crawler, adding .
  4. Crystalline Crawler dies, triggering its undying ability, returning it to the battlefield with a +1/+1 counter on it.
  5. Repeat.
Results
Infinite colored mana. Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Mikaeus, the Unhallowed
6.92% of 1358 decks 94 decks
Ghave, Guru of Spores
1.10% of 6440 decks 71 decks
Marchesa, the Black Rose
0.30% of 9456 decks 28 decks
Atraxa, Praetors' Voice
0.01% of 35660 decks 4 decks
Fain, the Broker
1.48% of 270 decks 4 decks
K'rrik, Son of Yawgmoth
0.02% of 14093 decks 3 decks
Meren of Clan Nel Toth
0.02% of 15123 decks 3 decks
Syr Konrad, the Grim
0.04% of 4644 decks 2 decks
Xavier Sal, Infested Captain
0.04% of 4674 decks 2 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.13% of 1572 decks 2 decks
Henzie "Toolbox" Torre
0.01% of 14785 decks 2 decks
Tayam, Luminous Enigma
0.03% of 5848 decks 2 decks
Korvold, Fae-Cursed King
0.01% of 15536 decks 2 decks
Aclazotz, Deepest Betrayal
0.06% of 1693 decks 1 decks
Reyhan, Last of the Abzan // Sakashima of a Thousand Faces
0.37% of 272 decks 1 decks
Thalia and The Gitrog Monster
0.01% of 12840 decks 1 decks
Teysa Karlov
0.01% of 15565 decks 1 decks
Grist, the Hunger Tide
0.02% of 5632 decks 1 decks
New Cards
Blasphemous Edict
67% of 6 decks +32% synergy
Withering Torment
33% of 18 decks +14% synergy
Meathook Massacre II
17% of 24 decks +12% synergy
Funeral Room // Awakening Hall
12% of 24 decks +7% synergy
Vengeful Bloodwitch
11% of 27 decks +9% synergy
High Synergy Cards
Cathars' Crusade
77% of 86 decks +71% synergy
Rosie Cotton of South Lane
67% of 49 decks +63% synergy
Uncivil Unrest
65% of 31 decks +63% synergy
Phyrexian Altar
63% of 249 decks +59% synergy
Good-Fortune Unicorn
61% of 80 decks +59% synergy
Walking Ballista
58% of 248 decks +56% synergy
Blood Artist
64% of 249 decks +52% synergy
Viscera Seer
59% of 249 decks +50% synergy
Basking Broodscale
52% of 25 decks +50% synergy
Zulaport Cutthroat
59% of 249 decks +50% synergy
Top Cards
Skullclamp
59% of 249 decks +47% synergy
Goblin Bombardment
55% of 38 decks +49% synergy
Carrion Feeder
54% of 249 decks +49% synergy
Swords to Plowshares
53% of 86 decks -9% synergy
Corpse Knight
53% of 85 decks +47% synergy
Hardened Scales
53% of 99 decks +44% synergy
Doubling Season
53% of 99 decks +43% synergy
Corpsejack Menace
52% of 99 decks +46% synergy
Gev, Scaled Scorch
50% of 8 decks +48% synergy
Triskelion
49% of 249 decks +49% synergy
Creatures
Ignoble Hierarch
50% of 6 decks +24% synergy
Slimefoot, the Stowaway
47% of 99 decks +46% synergy
Cryptic Trilobite
47% of 244 decks +47% synergy
Pitiless Plunderer
46% of 248 decks +39% synergy
Persistent Constrictor
46% of 13 decks +40% synergy
Flayer of the Hatebound
45% of 38 decks +44% synergy
Baleful Strix
44% of 45 decks +31% synergy
Scurry Oak
43% of 91 decks +41% synergy
Ezuri, Stalker of Spheres
43% of 7 decks +39% synergy
Chatterfang, Squirrel General
43% of 91 decks +37% synergy
Birds of Paradise
42% of 99 decks +15% synergy
Cruel Celebrant
42% of 85 decks +34% synergy
Master Biomancer
42% of 12 decks +38% synergy
Elas il-Kor, Sadistic Pilgrim
42% of 72 decks +30% synergy
Young Wolf
39% of 99 decks +39% synergy
Putrid Goblin
39% of 245 decks +39% synergy
Ivy Lane Denizen
38% of 99 decks +37% synergy
Winding Constrictor
38% of 99 decks +34% synergy
Juniper Order Ranger
38% of 81 decks +37% synergy
Kutzil, Malamet Exemplar
38% of 29 decks +19% synergy
Marionette Apprentice
36% of 74 decks +29% synergy
Eternal Witness
36% of 99 decks +16% synergy
Puppeteer Clique
36% of 249 decks +34% synergy
Utopia Mycon
35% of 99 decks +35% synergy
Devoted Druid
35% of 99 decks +32% synergy
Mazirek, Kraul Death Priest
35% of 99 decks +32% synergy
Spark Double
34% of 44 decks +27% synergy
Yawgmoth, Thran Physician
34% of 245 decks +30% synergy
Conclave Mentor
34% of 77 decks +30% synergy
Fathom Mage
33% of 12 decks +29% synergy
Warren Soultrader
32% of 74 decks +25% synergy
Evolution Witness
32% of 25 decks +27% synergy
Kami of Whispered Hopes
30% of 66 decks +23% synergy
Renata, Called to the Hunt
30% of 97 decks +28% synergy
Mahadi, Emporium Master
30% of 37 decks +23% synergy
Champion of Lambholt
29% of 99 decks +22% synergy
Gray Merchant of Asphodel
29% of 249 decks +20% synergy
River Kelpie
29% of 45 decks +28% synergy
Glen Elendra Archmage
29% of 45 decks +26% synergy
Sigil Captain
28% of 81 decks +28% synergy
Satoru, the Infiltrator
28% of 18 decks +24% synergy
Grim Haruspex
28% of 249 decks +24% synergy
Mondrak, Glory Dominus
27% of 63 decks +18% synergy
Lesser Masticore
27% of 245 decks +27% synergy
Solemn Simulacrum
27% of 249 decks +13% synergy
Crypt Ghast
26% of 249 decks +21% synergy
Reveillark
26% of 86 decks +24% synergy
Karmic Guide
26% of 86 decks +21% synergy
Tatterkite
25% of 249 decks +25% synergy
Gravecrawler
25% of 249 decks +22% synergy
Instants
Dark Ritual
39% of 249 decks +17% synergy
Assassin's Trophy
39% of 98 decks +9% synergy
Chaos Warp
37% of 38 decks +5% synergy
Cyclonic Rift
33% of 45 decks +6% synergy
Terminate
32% of 38 decks +11% synergy
Counterspell
31% of 45 decks -12% synergy
Vampiric Tutor
29% of 249 decks +11% synergy
Anguished Unmaking
27% of 86 decks +3% synergy
Beast Within
25% of 99 decks -13% synergy
Bedevil
24% of 38 decks +9% synergy
Enlightened Tutor
23% of 86 decks +6% synergy
Worldly Tutor
23% of 99 decks +9% synergy
Fierce Guardianship
23% of 44 decks +5% synergy
Eladamri's Call
22% of 81 decks +11% synergy
Swan Song
22% of 45 decks +6% synergy
Teferi's Protection
22% of 86 decks +2% synergy
Village Rites
22% of 242 decks +12% synergy
Deflecting Swat
21% of 38 decks +5% synergy
Path to Exile
21% of 86 decks -25% synergy
Negate
20% of 45 decks -3% synergy
Heroic Intervention
19% of 99 decks -11% synergy
Deadly Dispute
18% of 237 decks +7% synergy
Mana Drain
18% of 45 decks +3% synergy
Despark
16% of 85 decks +1% synergy
Arcane Denial
16% of 45 decks -4% synergy
Putrefy
15% of 99 decks -1% synergy
Culling the Weak
14% of 249 decks +11% synergy
Corrupted Conviction
14% of 167 decks +9% synergy
Inspiring Call
14% of 99 decks +7% synergy
Generous Gift
14% of 85 decks -11% synergy
An Offer You Can't Refuse
14% of 43 decks -7% synergy
Entomb
14% of 249 decks +6% synergy
Abzan Charm
14% of 81 decks +8% synergy
Tragic Slip
13% of 249 decks +10% synergy
Chord of Calling
13% of 99 decks +7% synergy
Defile
13% of 245 decks +10% synergy
Deadly Rollick
13% of 244 decks +2% synergy
Harrow
12% of 99 decks +3% synergy
Cabal Ritual
12% of 249 decks +7% synergy
Infernal Grasp
12% of 237 decks +4% synergy
Mortify
12% of 86 decks -0% synergy
Whir of Invention
11% of 45 decks +8% synergy
Fire Covenant
11% of 38 decks +7% synergy
Rakdos Charm
11% of 38 decks -4% synergy
Abrupt Decay
10% of 99 decks -0% synergy
Imp's Mischief
10% of 249 decks +7% synergy
Malakir Rebirth
10% of 240 decks +2% synergy
Stroke of Midnight
10% of 40 decks -2% synergy
Undying Malice
9% of 235 decks +7% synergy
Not Dead After All
8% of 133 decks +5% synergy
Sorceries
Blasphemous Act
42% of 38 decks +9% synergy
Demonic Tutor
36% of 249 decks +14% synergy
Diabolic Intent
33% of 249 decks +25% synergy
Farseek
31% of 99 decks -3% synergy
Cultivate
27% of 99 decks -19% synergy
Feed the Swarm
27% of 240 decks +9% synergy
Nature's Lore
26% of 99 decks -6% synergy
Three Visits
23% of 99 decks -1% synergy
Toxic Deluge
22% of 249 decks +5% synergy
Reanimate
22% of 249 decks +6% synergy
Mark of Mutiny
21% of 38 decks +21% synergy
Diabolic Tutor
20% of 249 decks +14% synergy
Wave Goodbye
19% of 21 decks +16% synergy
Sign in Blood
19% of 249 decks +9% synergy
Damnation
18% of 249 decks +10% synergy
Kodama's Reach
18% of 99 decks -13% synergy
Grim Tutor
17% of 249 decks +12% synergy
Victimize
16% of 249 decks +5% synergy
Rampant Growth
16% of 99 decks -18% synergy
Vandalblast
16% of 38 decks -0% synergy
Night's Whisper
16% of 249 decks +7% synergy
Bubbling Muck
15% of 249 decks +14% synergy
Green Sun's Zenith
15% of 99 decks +9% synergy
Damn
14% of 79 decks -2% synergy
Read the Bones
12% of 249 decks +4% synergy
Merciless Eviction
12% of 86 decks +7% synergy
Culling Ritual
11% of 91 decks -0% synergy
Beseech the Mirror
11% of 141 decks +6% synergy
Insurrection
11% of 38 decks +9% synergy
Mutilate
10% of 249 decks +8% synergy
Insatiable Avarice
9% of 85 decks +5% synergy
Idyllic Tutor
9% of 86 decks +4% synergy
Finale of Devastation
9% of 97 decks +1% synergy
Imperial Seal
9% of 249 decks +3% synergy
Natural Order
9% of 99 decks +7% synergy
Farewell
9% of 78 decks -4% synergy
Fabricate
9% of 45 decks +3% synergy
Exsanguinate
8% of 249 decks +3% synergy
Wrath of God
8% of 86 decks +2% synergy
Eldritch Evolution
8% of 99 decks +3% synergy
Mob Rule
8% of 38 decks +7% synergy
Faithless Looting
8% of 38 decks -9% synergy
Torment of Hailfire
8% of 248 decks +3% synergy
Eerie Ultimatum
8% of 79 decks -5% synergy
Skyshroud Claim
7% of 99 decks -2% synergy
Persist
7% of 238 decks +4% synergy
Reshape
7% of 45 decks +5% synergy
Thoughtcast
7% of 45 decks +3% synergy
Living Death
6% of 249 decks +1% synergy
Buried Alive
6% of 249 decks +1% synergy
Utility Artifacts
Altar of Dementia
44% of 249 decks +41% synergy
Lightning Greaves
36% of 249 decks +11% synergy
Blasting Station
26% of 249 decks +25% synergy
Swiftfoot Boots
25% of 249 decks -3% synergy
Jet Medallion
22% of 249 decks +20% synergy
Ozolith, the Shattered Spire
22% of 63 decks +16% synergy
Altar of the Brood
18% of 249 decks +16% synergy
The Ozolith
16% of 244 decks +12% synergy
Bolas's Citadel
14% of 245 decks +5% synergy
Cauldron of Souls
13% of 249 decks +13% synergy
Time Sieve
11% of 45 decks +8% synergy
Bontu's Monument
10% of 248 decks +8% synergy
The Great Henge
9% of 97 decks -1% synergy
Birthing Pod
9% of 99 decks +7% synergy
Agatha's Soul Cauldron
9% of 141 decks +7% synergy
Sensei's Divining Top
8% of 249 decks +3% synergy
Animation Module
8% of 249 decks +8% synergy
The One Ring
8% of 176 decks -1% synergy
Spawning Pit
7% of 249 decks +7% synergy
Krark-Clan Ironworks
7% of 249 decks +6% synergy
Expedition Map
7% of 249 decks +4% synergy
Wayfarer's Bauble
7% of 249 decks -3% synergy
Wishclaw Talisman
6% of 245 decks +1% synergy
Nim Deathmantle
6% of 249 decks +5% synergy
Enchantments
Anointed Procession
37% of 86 decks +28% synergy
Aura Shards
35% of 81 decks +26% synergy
Parallel Lives
34% of 99 decks +27% synergy
Rhystic Study
33% of 45 decks +6% synergy
Bastion of Remembrance
33% of 244 decks +27% synergy
Grave Pact
31% of 249 decks +26% synergy
Sneak Attack
29% of 38 decks +26% synergy
Primal Vigor
28% of 99 decks +25% synergy
Simic Ascendancy
27% of 11 decks +22% synergy
Innkeeper's Talent
27% of 11 decks +19% synergy
Branching Evolution
27% of 93 decks +22% synergy
Smothering Tithe
26% of 85 decks +1% synergy
Retribution of the Ancients
25% of 249 decks +25% synergy
Phyrexian Arena
24% of 249 decks +9% synergy
Dictate of Erebos
21% of 249 decks +17% synergy
Impact Tremors
21% of 38 decks +11% synergy
Moldervine Reclamation
21% of 97 decks +12% synergy
Earthcraft
20% of 99 decks +19% synergy
Cryptolith Rite
20% of 99 decks +17% synergy
Fecundity
18% of 99 decks +17% synergy
Tribute to the World Tree
18% of 66 decks +10% synergy
Mystic Remora
18% of 45 decks -0% synergy
Insidious Roots
17% of 30 decks +8% synergy
The Meathook Massacre
16% of 237 decks +11% synergy
All Will Be One
16% of 31 decks +13% synergy
Black Market
16% of 249 decks +11% synergy
Necropotence
16% of 249 decks +10% synergy
Sylvan Library
15% of 99 decks +3% synergy
Heartless Summoning
14% of 249 decks +14% synergy
Death's Presence
14% of 99 decks +13% synergy
Growing Rites of Itlimoc
13% of 99 decks +8% synergy
Black Market Connections
13% of 227 decks +2% synergy
Pattern of Rebirth
12% of 99 decks +11% synergy
Thran Vigil
12% of 202 decks +11% synergy
Animate Dead
12% of 249 decks +2% synergy
Life and Limb
10% of 99 decks +10% synergy
Greater Good
10% of 99 decks +5% synergy
Unspeakable Symbol
9% of 249 decks +9% synergy
Phyrexian Reclamation
9% of 249 decks +6% synergy
Inexorable Tide
9% of 45 decks +6% synergy
Feast of the Victorious Dead
8% of 49 decks +6% synergy
Wild Growth
8% of 99 decks -3% synergy
Greed
8% of 249 decks +5% synergy
Exquisite Blood
8% of 249 decks +3% synergy
Sanguine Bond
8% of 249 decks +2% synergy
Mirari's Wake
7% of 81 decks -6% synergy
Squirrel Nest
7% of 99 decks +6% synergy
Dark Prophecy
6% of 249 decks +5% synergy
Swift Reconfiguration
6% of 78 decks +5% synergy
Sterling Grove
6% of 81 decks -2% synergy
Battles
Invasion of Gobakhan
6% of 50 decks +5% synergy
Planeswalkers
Liliana, Dreadhorde General
7% of 245 decks +3% synergy
Tezzeret, Master of the Bridge
7% of 44 decks +4% synergy
Utility Lands
Cabal Coffers
39% of 249 decks +28% synergy
Urborg, Tomb of Yawgmoth
38% of 249 decks +28% synergy
Bojuka Bog
35% of 249 decks +4% synergy
Phyrexian Tower
33% of 249 decks +24% synergy
Gavony Township
31% of 81 decks +21% synergy
Reliquary Tower
25% of 249 decks -4% synergy
Cabal Stronghold
25% of 247 decks +21% synergy
Boseiju, Who Endures
20% of 90 decks +0% synergy
Castle Locthwain
17% of 245 decks +11% synergy
Nykthos, Shrine to Nyx
16% of 249 decks +11% synergy
Seat of the Synod
16% of 45 decks +9% synergy
Spymaster's Vault
15% of 74 decks +11% synergy
Ancient Tomb
14% of 249 decks +4% synergy
Academy Ruins
13% of 45 decks +9% synergy
Oran-Rief, the Vastwood
13% of 99 decks +8% synergy
High Market
13% of 249 decks +10% synergy
Temple of the False God
13% of 249 decks +3% synergy
Otawara, Soaring City
12% of 43 decks -5% synergy
Takenuma, Abandoned Mire
12% of 233 decks +1% synergy
Urza's Saga
11% of 238 decks +4% synergy
Great Furnace
11% of 38 decks +5% synergy
War Room
10% of 240 decks +4% synergy
Grim Backwoods
10% of 99 decks +6% synergy
Yavimaya, Cradle of Growth
10% of 238 decks +1% synergy
Barren Moor
10% of 249 decks +6% synergy
Buried Ruin
9% of 249 decks +4% synergy
Rogue's Passage
9% of 249 decks -10% synergy
Witch's Cottage
9% of 245 decks +5% synergy
Dryad Arbor
8% of 99 decks +4% synergy
Gaea's Cradle
8% of 99 decks +2% synergy
Volrath's Stronghold
8% of 249 decks +7% synergy
Command Beacon
7% of 249 decks +2% synergy
Mortuary Mire
7% of 249 decks +2% synergy
Vitu-Ghazi, the City-Tree
6% of 81 decks +5% synergy
Karn's Bastion
6% of 245 decks +1% synergy
Vault of the Archangel
6% of 86 decks -5% synergy
Nesting Grounds
6% of 244 decks +4% synergy
Inventors' Fair
5% of 249 decks +1% synergy
Mana Artifacts
Sol Ring
92% of 249 decks +8% synergy
Arcane Signet
71% of 245 decks -1% synergy
Talisman of Creativity
62% of 29 decks +33% synergy
Talisman of Indulgence
47% of 38 decks +21% synergy
Talisman of Dominance
47% of 45 decks +15% synergy
Relic of Sauron
26% of 19 decks +15% synergy
Golgari Signet
25% of 99 decks +13% synergy
Simic Signet
25% of 12 decks +11% synergy
Orzhov Signet
24% of 86 decks -3% synergy
Rakdos Signet
24% of 38 decks -6% synergy
Selesnya Signet
23% of 81 decks +15% synergy
Talisman of Resilience
21% of 97 decks +9% synergy
Dimir Signet
20% of 45 decks -10% synergy
Talisman of Unity
19% of 81 decks +11% synergy
Talisman of Hierarchy
18% of 85 decks -7% synergy
Izzet Signet
17% of 29 decks -11% synergy
Mind Stone
17% of 249 decks -0% synergy
Thought Vessel
15% of 249 decks -2% synergy
Fellwar Stone
15% of 249 decks -6% synergy
Commander's Sphere
15% of 249 decks -0% synergy
Mana Crypt
14% of 249 decks +6% synergy
Charcoal Diamond
12% of 249 decks +7% synergy
Jeweled Lotus
12% of 240 decks +6% synergy
Chromatic Lantern
11% of 249 decks +1% synergy
Thran Dynamo
10% of 249 decks +5% synergy
Mana Vault
10% of 249 decks +3% synergy
Chrome Mox
9% of 249 decks +2% synergy
Lotus Petal
8% of 249 decks +1% synergy
Crowded Crypt
7% of 237 decks +6% synergy
Sceptre of Eternal Glory
6% of 208 decks +5% synergy
Liquimetal Torque
5% of 238 decks +2% synergy
Throne of Eldraine
5% of 129 decks +3% synergy
Lands
Breeding Pool
83% of 12 decks +42% synergy
Stomping Ground
83% of 6 decks +42% synergy
Hallowed Fountain
75% of 8 decks +34% synergy
Raffine's Tower
71% of 7 decks +44% synergy
Overgrown Tomb
68% of 99 decks +25% synergy
Spire Garden
67% of 6 decks +42% synergy
Ziatora's Proving Ground
67% of 6 decks +35% synergy
Blood Crypt
66% of 38 decks +27% synergy
Xander's Lounge
66% of 29 decks +38% synergy
Steam Vents
66% of 29 decks +27% synergy
Watery Grave
64% of 45 decks +24% synergy
Zagoth Triome
64% of 11 decks +33% synergy
Godless Shrine
60% of 86 decks +20% synergy
Temple Garden
58% of 81 decks +18% synergy
Shivan Reef
55% of 29 decks +28% synergy
Command Tower
53% of 249 decks -21% synergy
Crumbling Necropolis
52% of 29 decks +21% synergy
Grove of the Burnwillows
50% of 6 decks +48% synergy
Taiga
50% of 6 decks +37% synergy
Karplusan Forest
50% of 6 decks +33% synergy
Spara's Headquarters
50% of 6 decks +18% synergy
Isolated Chapel
49% of 86 decks +21% synergy
Woodland Cemetery
47% of 99 decks +20% synergy
Indatha Triome
47% of 79 decks +16% synergy
Sunpetal Grove
46% of 81 decks +22% synergy
Sulfurous Springs
45% of 38 decks +24% synergy
Undergrowth Stadium
45% of 92 decks +18% synergy
Vault of Champions
42% of 80 decks +17% synergy
Sulfur Falls
41% of 29 decks +11% synergy
Drowned Catacomb
40% of 45 decks +14% synergy
Caves of Koilos
40% of 86 decks +11% synergy
Sandsteppe Citadel
40% of 81 decks +14% synergy
Llanowar Wastes
39% of 99 decks +14% synergy
Training Center
38% of 29 decks +10% synergy
Dragonskull Summit
37% of 38 decks +6% synergy
Underground River
36% of 45 decks +16% synergy
Bountiful Promenade
35% of 80 decks +11% synergy
Underground Mortuary
34% of 35 decks +18% synergy
Luxury Suite
34% of 38 decks +8% synergy
Deceptive Landscape
33% of 12 decks +21% synergy
Smoldering Marsh
32% of 38 decks -1% synergy
Brushland
30% of 81 decks +14% synergy
Canopy Vista
30% of 81 decks -6% synergy
Twilight Mire
27% of 99 decks +17% synergy
Deathcap Glade
27% of 90 decks +13% synergy
Morphic Pool
27% of 45 decks +1% synergy
Sunken Hollow
27% of 45 decks -8% synergy
Exotic Orchard
26% of 249 decks -9% synergy
Yavimaya Coast
25% of 12 decks -2% synergy
Hinterland Harbor
25% of 12 decks -2% synergy