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
6.58% of 1337 decks 88 decks
Ghave, Guru of Spores
1.09% of 6423 decks 70 decks
Marchesa, the Black Rose
0.29% of 9321 decks 27 decks
Fain, the Broker
1.43% of 279 decks 4 decks
Atraxa, Praetors' Voice
0.01% of 35211 decks 4 decks
K'rrik, Son of Yawgmoth
0.02% of 13841 decks 3 decks
Meren of Clan Nel Toth
0.02% of 14905 decks 3 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.13% of 1569 decks 2 decks
Korvold, Fae-Cursed King
0.01% of 15487 decks 2 decks
Xavier Sal, Infested Captain
0.05% of 4399 decks 2 decks
Muldrotha, the Gravetide
0.01% of 15112 decks 2 decks
Tayam, Luminous Enigma
0.03% of 5725 decks 2 decks
Henzie "Toolbox" Torre
0.01% of 14573 decks 2 decks
Reyhan, Last of the Abzan // Rograkh, Son of Rohgahh
0.22% of 457 decks 1 decks
Chainer, Dementia Master
0.06% of 1652 decks 1 decks
Mairsil, the Pretender
0.06% of 1576 decks 1 decks
Savra, Queen of the Golgari
0.04% of 2793 decks 1 decks
Talion, the Kindly Lord
0.02% of 6478 decks 1 decks
New Cards
Persistent Constrictor
57% of 7 decks +48% synergy
Funeral Room // Awakening Hall
19% of 16 decks +13% synergy
Meathook Massacre II
19% of 16 decks +14% synergy
High Synergy Cards
Cathars' Crusade
74% of 85 decks +68% synergy
Uncivil Unrest
64% of 28 decks +63% synergy
Rosie Cotton of South Lane
66% of 47 decks +62% synergy
Phyrexian Altar
64% of 239 decks +60% synergy
Good-Fortune Unicorn
61% of 80 decks +59% synergy
Walking Ballista
59% of 238 decks +56% synergy
Blood Artist
64% of 239 decks +52% synergy
Viscera Seer
59% of 239 decks +50% synergy
Basking Broodscale
52% of 21 decks +50% synergy
Zulaport Cutthroat
59% of 239 decks +49% synergy
Top Cards
Skullclamp
59% of 239 decks +47% synergy
Swords to Plowshares
54% of 85 decks -9% synergy
Carrion Feeder
53% of 239 decks +48% synergy
Doubling Season
53% of 99 decks +44% synergy
Corpse Knight
52% of 85 decks +46% synergy
Hardened Scales
52% of 99 decks +43% synergy
Goblin Bombardment
50% of 36 decks +44% synergy
Corpsejack Menace
48% of 99 decks +43% synergy
Triskelion
48% of 239 decks +47% synergy
Cryptic Trilobite
47% of 235 decks +47% synergy
Creatures
Ignoble Hierarch
50% of 6 decks +24% synergy
Slimefoot, the Stowaway
46% of 99 decks +45% synergy
Pitiless Plunderer
46% of 238 decks +38% synergy
Baleful Strix
44% of 45 decks +31% synergy
Birds of Paradise
43% of 99 decks +17% synergy
Ezuri, Stalker of Spheres
43% of 7 decks +39% synergy
Chatterfang, Squirrel General
42% of 92 decks +37% synergy
Kutzil, Malamet Exemplar
42% of 26 decks +23% synergy
Flayer of the Hatebound
42% of 36 decks +41% synergy
Scurry Oak
41% of 92 decks +39% synergy
Cruel Celebrant
40% of 85 decks +32% synergy
Elas il-Kor, Sadistic Pilgrim
39% of 71 decks +28% synergy
Master Biomancer
38% of 13 decks +35% synergy
Putrid Goblin
38% of 236 decks +37% synergy
Juniper Order Ranger
38% of 80 decks +36% synergy
Young Wolf
37% of 99 decks +37% synergy
Eternal Witness
37% of 99 decks +16% synergy
Marionette Apprentice
36% of 61 decks +28% synergy
Puppeteer Clique
36% of 239 decks +34% synergy
Utopia Mycon
35% of 99 decks +35% synergy
Ivy Lane Denizen
35% of 99 decks +34% synergy
Winding Constrictor
35% of 99 decks +31% synergy
Mazirek, Kraul Death Priest
34% of 99 decks +31% synergy
Yawgmoth, Thran Physician
33% of 236 decks +30% synergy
Devoted Druid
33% of 99 decks +30% synergy
Evolution Witness
33% of 21 decks +29% synergy
Warren Soultrader
33% of 61 decks +25% synergy
Conclave Mentor
32% of 77 decks +28% synergy
Spark Double
32% of 44 decks +25% synergy
Fathom Mage
31% of 13 decks +27% synergy
Renata, Called to the Hunt
30% of 98 decks +27% synergy
Gray Merchant of Asphodel
29% of 239 decks +20% synergy
Glen Elendra Archmage
29% of 45 decks +26% synergy
Arcbound Tracker
29% of 35 decks +28% synergy
Mahadi, Emporium Master
29% of 35 decks +22% synergy
Kami of Whispered Hopes
28% of 64 decks +21% synergy
Solemn Simulacrum
28% of 239 decks +14% synergy
Mondrak, Glory Dominus
28% of 61 decks +19% synergy
Sigil Captain
28% of 80 decks +27% synergy
Reveillark
27% of 85 decks +25% synergy
Grim Haruspex
27% of 239 decks +23% synergy
Lesser Masticore
27% of 236 decks +27% synergy
Rakdos, the Muscle
27% of 15 decks +24% synergy
Champion of Lambholt
26% of 99 decks +19% synergy
Kitchen Finks
26% of 80 decks +26% synergy
Karmic Guide
26% of 85 decks +21% synergy
Thundering Raiju
26% of 35 decks +25% synergy
Geralf's Messenger
25% of 239 decks +25% synergy
Gravecrawler
25% of 239 decks +22% synergy
Crypt Ghast
25% of 239 decks +20% synergy
Instants
Dark Ritual
38% of 239 decks +15% synergy
Assassin's Trophy
37% of 99 decks +7% synergy
Chaos Warp
36% of 36 decks +4% synergy
Cyclonic Rift
36% of 45 decks +8% synergy
Vampiric Tutor
29% of 239 decks +11% synergy
Counterspell
29% of 45 decks -14% synergy
Terminate
28% of 36 decks +7% synergy
Anguished Unmaking
26% of 85 decks +2% synergy
Enlightened Tutor
25% of 85 decks +7% synergy
Beast Within
24% of 99 decks -15% synergy
Worldly Tutor
23% of 99 decks +9% synergy
Fierce Guardianship
23% of 44 decks +5% synergy
Eladamri's Call
22% of 80 decks +11% synergy
Teferi's Protection
22% of 85 decks +2% synergy
Deflecting Swat
22% of 36 decks +6% synergy
Village Rites
21% of 233 decks +11% synergy
Swan Song
20% of 45 decks +3% synergy
Path to Exile
20% of 85 decks -25% synergy
Heroic Intervention
19% of 99 decks -10% synergy
Mana Drain
18% of 45 decks +3% synergy
Negate
18% of 45 decks -5% synergy
Deadly Dispute
17% of 228 decks +6% synergy
Bedevil
17% of 36 decks +2% synergy
Arcane Denial
16% of 45 decks -4% synergy
Despark
15% of 85 decks -1% synergy
Generous Gift
14% of 85 decks -12% synergy
An Offer You Can't Refuse
14% of 43 decks -7% synergy
Culling the Weak
14% of 239 decks +10% synergy
Corrupted Conviction
14% of 154 decks +8% synergy
Tragic Slip
13% of 239 decks +10% synergy
Entomb
13% of 239 decks +6% synergy
Chord of Calling
13% of 99 decks +7% synergy
Inspiring Call
13% of 99 decks +6% synergy
Putrefy
13% of 99 decks -3% synergy
Defile
13% of 236 decks +9% synergy
Abzan Charm
12% of 80 decks +7% synergy
Harrow
12% of 99 decks +2% synergy
Deadly Rollick
12% of 235 decks +1% synergy
Infernal Grasp
12% of 228 decks +4% synergy
Cabal Ritual
12% of 239 decks +7% synergy
Whir of Invention
11% of 45 decks +8% synergy
Fire Covenant
11% of 36 decks +8% synergy
Stroke of Midnight
11% of 38 decks -2% synergy
Malakir Rebirth
10% of 231 decks +2% synergy
Abrupt Decay
10% of 99 decks -0% synergy
Mortify
9% of 85 decks -3% synergy
Undying Malice
9% of 225 decks +7% synergy
Imp's Mischief
9% of 239 decks +6% synergy
Act of Aggression
8% of 36 decks +8% synergy
Red Elemental Blast
8% of 36 decks +2% synergy
Sorceries
Blasphemous Act
44% of 36 decks +11% synergy
Demonic Tutor
36% of 239 decks +14% synergy
Diabolic Intent
34% of 239 decks +25% synergy
Farseek
31% of 99 decks -3% synergy
Cultivate
28% of 99 decks -18% synergy
Nature's Lore
27% of 99 decks -5% synergy
Feed the Swarm
26% of 231 decks +8% synergy
Three Visits
24% of 99 decks -1% synergy
Toxic Deluge
23% of 239 decks +6% synergy
Mark of Mutiny
22% of 36 decks +22% synergy
Reanimate
21% of 239 decks +6% synergy
Wave Goodbye
21% of 19 decks +18% synergy
Diabolic Tutor
20% of 239 decks +14% synergy
Kodama's Reach
19% of 99 decks -12% synergy
Damnation
19% of 239 decks +11% synergy
Sign in Blood
19% of 239 decks +9% synergy
Grim Tutor
17% of 239 decks +12% synergy
Vandalblast
17% of 36 decks +0% synergy
Victimize
16% of 239 decks +5% synergy
Rampant Growth
16% of 99 decks -19% synergy
Green Sun's Zenith
15% of 99 decks +9% synergy
Bubbling Muck
15% of 239 decks +13% synergy
Night's Whisper
14% of 239 decks +5% synergy
Damn
14% of 79 decks -3% synergy
Beseech the Mirror
12% of 128 decks +7% synergy
Read the Bones
12% of 239 decks +4% synergy
Insatiable Avarice
11% of 70 decks +6% synergy
Insurrection
11% of 36 decks +10% synergy
Culling Ritual
11% of 92 decks -0% synergy
Merciless Eviction
11% of 85 decks +6% synergy
Mutilate
10% of 239 decks +8% synergy
Idyllic Tutor
9% of 85 decks +4% synergy
Imperial Seal
9% of 239 decks +3% synergy
Finale of Devastation
9% of 98 decks +1% synergy
Natural Order
9% of 99 decks +7% synergy
Farewell
9% of 77 decks -4% synergy
Fabricate
9% of 45 decks +3% synergy
Eerie Ultimatum
9% of 79 decks -4% synergy
Exsanguinate
8% of 239 decks +3% synergy
Mob Rule
8% of 36 decks +7% synergy
Wrath of God
8% of 85 decks +2% synergy
Eldritch Evolution
8% of 99 decks +3% synergy
Torment of Hailfire
8% of 238 decks +3% synergy
Living Death
7% of 239 decks +2% synergy
Buried Alive
7% of 239 decks +2% synergy
Persist
7% of 229 decks +5% synergy
Reshape
7% of 45 decks +5% synergy
Thoughtcast
7% of 45 decks +3% synergy
Profane Tutor
6% of 229 decks +3% synergy
Tooth and Nail
6% of 99 decks +5% synergy
Utility Artifacts
Altar of Dementia
44% of 239 decks +41% synergy
Lightning Greaves
36% of 239 decks +10% synergy
Swiftfoot Boots
25% of 239 decks -3% synergy
Blasting Station
25% of 239 decks +24% synergy
Jet Medallion
22% of 239 decks +19% synergy
Ozolith, the Shattered Spire
21% of 61 decks +15% synergy
Altar of the Brood
18% of 239 decks +17% synergy
The Ozolith
16% of 235 decks +13% synergy
Bolas's Citadel
14% of 236 decks +5% synergy
Cauldron of Souls
13% of 239 decks +13% synergy
Time Sieve
13% of 45 decks +10% synergy
Bontu's Monument
11% of 238 decks +8% synergy
Birthing Pod
10% of 99 decks +8% synergy
The Great Henge
9% of 98 decks -1% synergy
Agatha's Soul Cauldron
9% of 128 decks +7% synergy
Sensei's Divining Top
8% of 239 decks +3% synergy
Animation Module
8% of 239 decks +8% synergy
The One Ring
7% of 163 decks -2% synergy
Spawning Pit
7% of 239 decks +7% synergy
Expedition Map
7% of 239 decks +4% synergy
Krark-Clan Ironworks
7% of 239 decks +6% synergy
Wayfarer's Bauble
7% of 239 decks -4% synergy
Wishclaw Talisman
6% of 236 decks +1% synergy
Nim Deathmantle
5% of 239 decks +5% synergy
Blade of the Bloodchief
5% of 239 decks +4% synergy
Enchantments
Anointed Procession
38% of 85 decks +29% synergy
Rhystic Study
36% of 45 decks +8% synergy
Parallel Lives
35% of 99 decks +28% synergy
Aura Shards
35% of 80 decks +26% synergy
Innkeeper's Talent
33% of 9 decks +24% synergy
Bastion of Remembrance
32% of 235 decks +26% synergy
Sneak Attack
31% of 36 decks +28% synergy
Grave Pact
31% of 239 decks +26% synergy
Branching Evolution
28% of 94 decks +23% synergy
Primal Vigor
27% of 99 decks +24% synergy
Retribution of the Ancients
25% of 239 decks +25% synergy
Simic Ascendancy
25% of 12 decks +20% synergy
Smothering Tithe
25% of 85 decks -0% synergy
Phyrexian Arena
24% of 239 decks +10% synergy
Dictate of Erebos
22% of 239 decks +18% synergy
Earthcraft
20% of 99 decks +19% synergy
Fecundity
20% of 99 decks +19% synergy
Cryptolith Rite
20% of 99 decks +17% synergy
Mystic Remora
20% of 45 decks +2% synergy
Impact Tremors
19% of 36 decks +10% synergy
Insidious Roots
19% of 26 decks +10% synergy
Tribute to the World Tree
19% of 64 decks +10% synergy
Moldervine Reclamation
18% of 98 decks +9% synergy
All Will Be One
18% of 28 decks +15% synergy
Black Market
16% of 239 decks +12% synergy
The Meathook Massacre
16% of 228 decks +11% synergy
Necropotence
15% of 239 decks +10% synergy
Sylvan Library
15% of 99 decks +3% synergy
Pattern of Rebirth
14% of 99 decks +13% synergy
Heartless Summoning
14% of 239 decks +13% synergy
Death's Presence
13% of 99 decks +12% synergy
Growing Rites of Itlimoc
12% of 99 decks +7% synergy
Black Market Connections
12% of 217 decks +1% synergy
Animate Dead
11% of 239 decks +2% synergy
Thran Vigil
11% of 191 decks +10% synergy
Life and Limb
10% of 99 decks +10% synergy
Greater Good
10% of 99 decks +5% synergy
Inexorable Tide
9% of 45 decks +6% synergy
Phyrexian Reclamation
9% of 239 decks +5% synergy
Mirari's Wake
9% of 80 decks -5% synergy
Feast of the Victorious Dead
9% of 47 decks +6% synergy
Unspeakable Symbol
8% of 239 decks +8% synergy
Wild Growth
8% of 99 decks -3% synergy
Greed
7% of 239 decks +5% synergy
Exquisite Blood
7% of 239 decks +2% synergy
Sanguine Bond
7% of 239 decks +1% synergy
Squirrel Nest
7% of 99 decks +6% synergy
Dark Prophecy
7% of 239 decks +6% synergy
Swift Reconfiguration
6% of 77 decks +5% synergy
Sterling Grove
6% of 80 decks -2% synergy
Battles
Invasion of Gobakhan
6% of 48 decks +5% synergy
Planeswalkers
Liliana, Dreadhorde General
7% of 236 decks +4% synergy
Tezzeret, Master of the Bridge
7% of 44 decks +4% synergy
Utility Lands
Cabal Coffers
38% of 239 decks +27% synergy
Urborg, Tomb of Yawgmoth
38% of 239 decks +28% synergy
Bojuka Bog
33% of 239 decks +2% synergy
Phyrexian Tower
32% of 239 decks +23% synergy
Gavony Township
31% of 80 decks +22% synergy
Reliquary Tower
26% of 239 decks -4% synergy
Cabal Stronghold
24% of 237 decks +20% synergy
Boseiju, Who Endures
20% of 90 decks +0% synergy
Seat of the Synod
18% of 45 decks +11% synergy
Castle Locthwain
16% of 236 decks +10% synergy
Academy Ruins
16% of 45 decks +11% synergy
Nykthos, Shrine to Nyx
15% of 239 decks +10% synergy
Ancient Tomb
15% of 239 decks +5% synergy
Spymaster's Vault
15% of 61 decks +11% synergy
Great Furnace
14% of 36 decks +8% synergy
High Market
13% of 239 decks +9% synergy
Temple of the False God
12% of 239 decks +2% synergy
Oran-Rief, the Vastwood
12% of 99 decks +7% synergy
Takenuma, Abandoned Mire
12% of 223 decks +1% synergy
Otawara, Soaring City
12% of 43 decks -5% synergy
Yavimaya, Cradle of Growth
11% of 229 decks +2% synergy
Urza's Saga
10% of 229 decks +3% synergy
Buried Ruin
10% of 239 decks +4% synergy
Rogue's Passage
9% of 239 decks -10% synergy
Grim Backwoods
9% of 99 decks +5% synergy
Barren Moor
9% of 239 decks +5% synergy
War Room
9% of 231 decks +2% synergy
Witch's Cottage
8% of 236 decks +5% synergy
Gaea's Cradle
8% of 99 decks +2% synergy
Volrath's Stronghold
8% of 239 decks +7% synergy
Dryad Arbor
7% of 99 decks +3% synergy
Command Beacon
7% of 239 decks +2% synergy
Riptide Laboratory
7% of 45 decks +5% synergy
Karn's Bastion
6% of 236 decks +1% synergy
Mortuary Mire
6% of 239 decks +1% synergy
Vitu-Ghazi, the City-Tree
6% of 80 decks +5% synergy
Vault of the Archangel
6% of 85 decks -5% synergy
Nesting Grounds
5% of 235 decks +4% synergy
Inventors' Fair
5% of 239 decks +1% synergy
Mana Artifacts
Sol Ring
92% of 239 decks +8% synergy
Arcane Signet
71% of 236 decks -1% synergy
Talisman of Creativity
61% of 28 decks +32% synergy
Talisman of Dominance
47% of 45 decks +15% synergy
Talisman of Indulgence
44% of 36 decks +18% synergy
Relic of Sauron
29% of 17 decks +18% synergy
Golgari Signet
24% of 99 decks +12% synergy
Selesnya Signet
24% of 80 decks +15% synergy
Simic Signet
23% of 13 decks +9% synergy
Orzhov Signet
22% of 85 decks -5% synergy
Talisman of Resilience
20% of 98 decks +9% synergy
Talisman of Unity
20% of 80 decks +13% synergy
Dimir Signet
20% of 45 decks -10% synergy
Rakdos Signet
19% of 36 decks -10% synergy
Talisman of Hierarchy
19% of 85 decks -6% synergy
Mind Stone
16% of 239 decks -2% synergy
Mana Crypt
15% of 239 decks +6% synergy
Fellwar Stone
15% of 239 decks -6% synergy
Thought Vessel
15% of 239 decks -2% synergy
Izzet Signet
14% of 28 decks -14% synergy
Commander's Sphere
14% of 239 decks -1% synergy
Jeweled Lotus
13% of 231 decks +6% synergy
Charcoal Diamond
12% of 239 decks +7% synergy
Chromatic Lantern
12% of 239 decks +3% synergy
Thran Dynamo
10% of 239 decks +5% synergy
Mana Vault
9% of 239 decks +3% synergy
Chrome Mox
9% of 239 decks +2% synergy
Lotus Petal
8% of 239 decks +1% synergy
Crowded Crypt
7% of 228 decks +5% synergy
Sceptre of Eternal Glory
6% of 198 decks +5% synergy
Throne of Eldraine
6% of 116 decks +4% synergy
Liquimetal Torque
6% of 229 decks +2% synergy
Everflowing Chalice
5% of 239 decks +0% synergy
Lands
Stomping Ground
83% of 6 decks +42% synergy
Breeding Pool
77% of 13 decks +36% synergy
Hallowed Fountain
75% of 8 decks +34% synergy
Xander's Lounge
71% of 28 decks +44% synergy
Raffine's Tower
71% of 7 decks +43% synergy
Blood Crypt
69% of 36 decks +31% synergy
Overgrown Tomb
69% of 99 decks +26% synergy
Spire Garden
67% of 6 decks +42% synergy
Ziatora's Proving Ground
67% of 6 decks +35% synergy
Watery Grave
64% of 45 decks +24% synergy
Steam Vents
64% of 28 decks +25% synergy
Godless Shrine
62% of 85 decks +22% synergy
Temple Garden
60% of 80 decks +19% synergy
Zagoth Triome
58% of 12 decks +28% synergy
Command Tower
54% of 239 decks -20% synergy
Shivan Reef
54% of 28 decks +27% 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
Crumbling Necropolis
50% of 28 decks +19% synergy
Spara's Headquarters
50% of 6 decks +18% synergy
Woodland Cemetery
49% of 99 decks +22% synergy
Isolated Chapel
49% of 85 decks +22% synergy
Indatha Triome
48% of 79 decks +17% synergy
Sunpetal Grove
46% of 80 decks +23% synergy
Undergrowth Stadium
45% of 93 decks +19% synergy
Sulfurous Springs
44% of 36 decks +24% synergy
Sulfur Falls
43% of 28 decks +13% synergy
Vault of Champions
41% of 80 decks +15% synergy
Deceptive Landscape
40% of 10 decks +27% synergy
Caves of Koilos
40% of 85 decks +12% synergy
Llanowar Wastes
39% of 99 decks +14% synergy
Sandsteppe Citadel
39% of 80 decks +13% synergy
Underground Mortuary
39% of 31 decks +22% synergy
Drowned Catacomb
38% of 45 decks +12% synergy
Bountiful Promenade
36% of 80 decks +12% synergy
Luxury Suite
36% of 36 decks +10% synergy
Dragonskull Summit
36% of 36 decks +5% synergy
Training Center
36% of 28 decks +8% synergy
Underground River
36% of 45 decks +16% synergy
Brushland
31% of 80 decks +15% synergy
Hinterland Harbor
31% of 13 decks +4% synergy
Canopy Vista
30% of 80 decks -6% synergy
Sunken Hollow
29% of 45 decks -6% synergy
Deathcap Glade
28% of 90 decks +14% synergy
Smoldering Marsh
28% of 36 decks -5% synergy
Morphic Pool
27% of 45 decks +0% synergy
Twilight Mire
26% of 99 decks +16% synergy
Exotic Orchard
25% of 239 decks -10% synergy
Temple of Malady
24% of 99 decks +8% synergy