Metamorphosis Fanatic
Prowling Geistcatcher
Altar of Dementia

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Metamorphosis Fanatic.
2
When Metamorphosis Fanatic dies, Prowling Geistcatcher's first ability triggers, exiling Metamorphosis Fanatic from your graveyard.
3
Resolve the Altar of Dementia ability.
4
Activate Altar of Dementia by sacrificing Prowling Geistcatcher.
5
When Prowling Geistcatcher dies, its second ability triggers, returning Metamorphosis Fanatic from exile to the battlefield.
6
When Metamorphosis Fanatic enters the battlefield, it triggers, returning Prowling Geistcatcher from your graveyard to the battlefield.
7
Resolve the Altar of Dementia ability.
8
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Bebop & Rocksteady
0.8%inclusion3 decks359 decks
Arnyn, Deathbloom Botanist
0.8%inclusion1 decks126 decks
Top Commanders
Alesha, Who Smiles at Death
0.1%inclusion4 decks4.95K decks
Henzie "Toolbox" Torre
0.0%inclusion3 decks15.3K decks
Sidisi, Regent of the Mire
0.4%inclusion3 decks697 decks
Xu-Ifit, Osteoharmonist
0.1%inclusion3 decks3.68K decks
Eirdu, Carrier of Dawn
0.0%inclusion2 decks4.17K decks
Kenrith, the Returned King
0.0%inclusion2 decks25.3K decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.2%inclusion2 decks950 decks
Aatchik, Emerald Radian
0.1%inclusion2 decks2.33K decks
Eddie Brock
0.0%inclusion2 decks7.44K decks
Rakdos, the Muscle
0.0%inclusion1 decks4.49K decks
Bartolomé del Presidio
0.1%inclusion1 decks1.46K decks
Kinzu of the Bleak Coven
0.4%inclusion1 decks270 decks
Kroxa and Kunoros
0.1%inclusion1 decks1.60K decks
Nikara, Lair Scavenger // Yannik, Scavenging Sentinel
0.1%inclusion1 decks1.03K decks
Lazav, Dimir Mastermind
0.0%inclusion1 decks2.48K decks
Chainer, Dementia Master
0.1%inclusion1 decks1.64K decks
New Cards
Emeritus of Truce
100%inclusion1 decks1 decks
99%synergy
Erode
100%inclusion1 decks1 decks
98%synergy
Decorum Dissertation
33%inclusion1 decks3 decks
32%synergy
Moseo, Vein's New Dean
33%inclusion1 decks3 decks
32%synergy
Raph & Mikey, Troublemakers
20%inclusion1 decks5 decks
19%synergy
High Synergy Cards
Saffi Eriksdotter
80%inclusion4 decks5 decks
79%synergy
Karmic Guide
81%inclusion13 decks16 decks
78%synergy
Sister Hospitaller
69%inclusion11 decks16 decks
68%synergy
Reveillark
63%inclusion10 decks16 decks
61%synergy
Etali, Primal Conqueror
63%inclusion5 decks8 decks
55%synergy
Umbral Collar Zealot
54%inclusion21 decks39 decks
51%synergy
Kiki-Jiki, Mirror Breaker
53%inclusion10 decks19 decks
50%synergy
Fiend Hunter
50%inclusion8 decks16 decks
49%synergy
Felidar Guardian
50%inclusion8 decks16 decks
48%synergy
Viscera Seer
56%inclusion25 decks45 decks
48%synergy
Top Cards
Eternal Witness
61%inclusion11 decks18 decks
45%synergy
Reanimate
56%inclusion25 decks45 decks
36%synergy
Birds of Paradise
56%inclusion10 decks18 decks
28%synergy
Goblin Bombardment
53%inclusion10 decks19 decks
47%synergy
Sakura-Tribe Elder
50%inclusion9 decks18 decks
34%synergy
Living Death
47%inclusion21 decks45 decks
41%synergy
Colossal Grave-Reaver
44%inclusion8 decks18 decks
40%synergy
Abdel Adrian, Gorion's Ward
44%inclusion7 decks16 decks
43%synergy
Path to Exile
44%inclusion7 decks16 decks
-3%synergy
Swords to Plowshares
44%inclusion7 decks16 decks
-17%synergy
Game Changers
Demonic Tutor
18%inclusion8 decks45 decks
-1%synergy
Gamble
16%inclusion3 decks19 decks
7%synergy
Field of the Dead
8.9%inclusion4 decks45 decks
6%synergy
Vampiric Tutor
8.9%inclusion4 decks45 decks
-6%synergy
Bolas's Citadel
6.7%inclusion3 decks45 decks
-1%synergy
The One Ring
6.7%inclusion3 decks45 decks
-2%synergy
Creatures
Body Double
60%inclusion3 decks5 decks
59%synergy
Glasspool Mimic
60%inclusion3 decks5 decks
57%synergy
Disciple of Freyalise
50%inclusion9 decks18 decks
44%synergy
Witch Enchanter
44%inclusion7 decks16 decks
36%synergy
Mardu Siegebreaker
43%inclusion3 decks7 decks
38%synergy
Gray Merchant of Asphodel
42%inclusion19 decks45 decks
34%synergy
Zulaport Cutthroat
42%inclusion19 decks45 decks
34%synergy
Haywire Mite
39%inclusion7 decks18 decks
35%synergy
Aftermath Analyst
39%inclusion7 decks18 decks
34%synergy
Honest Rutstein
39%inclusion7 decks18 decks
34%synergy
Wight of the Reliquary
39%inclusion7 decks18 decks
33%synergy
Warren Soultrader
38%inclusion17 decks45 decks
32%synergy
Angel of Glory's Rise
38%inclusion6 decks16 decks
37%synergy
Priest of Fell Rites
38%inclusion6 decks16 decks
35%synergy
Sun Titan
38%inclusion6 decks16 decks
29%synergy
Ignoble Hierarch
38%inclusion3 decks8 decks
13%synergy
Grim Haruspex
36%inclusion16 decks45 decks
33%synergy
Yawgmoth, Thran Physician
36%inclusion16 decks45 decks
32%synergy
Stitcher's Supplier
36%inclusion16 decks45 decks
32%synergy
Carrion Feeder
36%inclusion16 decks45 decks
31%synergy
Icetill Explorer
35%inclusion6 decks17 decks
29%synergy
Body Launderer
33%inclusion15 decks45 decks
33%synergy
Druid of Purification
33%inclusion6 decks18 decks
32%synergy
Junji, the Midnight Sky
33%inclusion15 decks45 decks
31%synergy
Springbloom Druid
33%inclusion6 decks18 decks
29%synergy
Six
33%inclusion6 decks18 decks
28%synergy
Pitiless Plunderer
33%inclusion15 decks45 decks
25%synergy
Llanowar Elves
33%inclusion6 decks18 decks
13%synergy
Preston, the Vanisher
31%inclusion5 decks16 decks
30%synergy
Skyclave Apparition
31%inclusion5 decks16 decks
28%synergy
Elas il-Kor, Sadistic Pilgrim
31%inclusion5 decks16 decks
22%synergy
Disciple of Bolas
31%inclusion14 decks45 decks
29%synergy
Blood Artist
31%inclusion14 decks45 decks
20%synergy
Blossoming Tortoise
28%inclusion5 decks18 decks
27%synergy
Clifftop Lookout
28%inclusion5 decks18 decks
26%synergy
Lumra, Bellow of the Woods
28%inclusion5 decks18 decks
25%synergy
Meren of Clan Nel Toth
28%inclusion5 decks18 decks
24%synergy
Reclamation Sage
28%inclusion5 decks18 decks
20%synergy
Ruthless Technomancer
27%inclusion12 decks45 decks
25%synergy
Loyal Retainers
25%inclusion4 decks16 decks
25%synergy
Cartel Aristocrat
25%inclusion4 decks16 decks
25%synergy
Shilgengar, Sire of Famine
25%inclusion4 decks16 decks
25%synergy
Angel of Indemnity
25%inclusion4 decks16 decks
24%synergy
Bartolomé del Presidio
25%inclusion4 decks16 decks
21%synergy
Cruel Celebrant
25%inclusion4 decks16 decks
18%synergy
Esper Sentinel
25%inclusion4 decks16 decks
6%synergy
Hoarding Broodlord
24%inclusion11 decks45 decks
23%synergy
Mikaeus, the Unhallowed
24%inclusion11 decks45 decks
22%synergy
Marionette Apprentice
24%inclusion11 decks45 decks
20%synergy
Spinner of Souls
22%inclusion4 decks18 decks
21%synergy
Instants
Malakir Rebirth
33%inclusion15 decks45 decks
25%synergy
Assassin's Trophy
33%inclusion6 decks18 decks
2%synergy
Saw in Half
31%inclusion14 decks45 decks
27%synergy
Ephemerate
25%inclusion4 decks16 decks
19%synergy
Dark Ritual
24%inclusion11 decks45 decks
0%synergy
Deadly Rollick
22%inclusion10 decks45 decks
8%synergy
Entomb
20%inclusion9 decks45 decks
13%synergy
Cloudshift
19%inclusion3 decks16 decks
15%synergy
Beast Within
17%inclusion3 decks18 decks
-17%synergy
Chaos Warp
16%inclusion3 decks19 decks
-13%synergy
Fell the Profane
16%inclusion7 decks45 decks
7%synergy
Flare of Malice
13%inclusion6 decks45 decks
11%synergy
Sacrifice
11%inclusion5 decks45 decks
10%synergy
Withering Torment
11%inclusion5 decks45 decks
3%synergy
Songs of the Damned
8.9%inclusion4 decks45 decks
8%synergy
Feign Death
8.9%inclusion4 decks45 decks
7%synergy
Undying Malice
8.9%inclusion4 decks45 decks
7%synergy
Imp's Mischief
8.9%inclusion4 decks45 decks
5%synergy
Culling the Weak
8.9%inclusion4 decks45 decks
5%synergy
Not Dead After All
6.7%inclusion3 decks45 decks
4%synergy
Bitter Triumph
6.7%inclusion3 decks45 decks
4%synergy
Deadly Dispute
6.7%inclusion3 decks45 decks
-6%synergy
Sorceries
Victimize
42%inclusion19 decks45 decks
30%synergy
Sevinne's Reclamation
38%inclusion6 decks16 decks
30%synergy
Dread Return
33%inclusion15 decks45 decks
28%synergy
Faithless Looting
32%inclusion6 decks19 decks
16%synergy
Blasphemous Act
32%inclusion6 decks19 decks
-2%synergy
Buried Alive
29%inclusion13 decks45 decks
23%synergy
Vandalblast
26%inclusion5 decks19 decks
11%synergy
Unburial Rites
25%inclusion4 decks16 decks
23%synergy
Incarnation Technique
22%inclusion10 decks45 decks
21%synergy
Rise of the Witch-king
22%inclusion4 decks18 decks
18%synergy
Bala Ged Recovery
22%inclusion4 decks18 decks
15%synergy
Seize the Spotlight
21%inclusion4 decks19 decks
19%synergy
Agadeem's Awakening
20%inclusion9 decks45 decks
17%synergy
Toxic Deluge
18%inclusion8 decks45 decks
0%synergy
Feed the Swarm
16%inclusion7 decks45 decks
0%synergy
Persist
13%inclusion6 decks45 decks
11%synergy
Lively Dirge
11%inclusion5 decks45 decks
9%synergy
Come Back Wrong
8.9%inclusion4 decks45 decks
8%synergy
Afterlife from the Loam
7.0%inclusion3 decks43 decks
6%synergy
Morbid Curiosity
6.7%inclusion3 decks45 decks
6%synergy
Stitch Together
6.7%inclusion3 decks45 decks
5%synergy
Unmarked Grave
6.7%inclusion3 decks45 decks
5%synergy
Breach the Multiverse
6.7%inclusion3 decks45 decks
3%synergy
Rise of the Dark Realms
6.7%inclusion3 decks45 decks
2%synergy
Utility Artifacts
Ashnod's Altar
42%inclusion19 decks45 decks
36%synergy
Skullclamp
38%inclusion17 decks45 decks
27%synergy
Hedge Shredder
33%inclusion6 decks18 decks
31%synergy
Phyrexian Altar
31%inclusion14 decks45 decks
28%synergy
Lightning Greaves
27%inclusion12 decks45 decks
2%synergy
Jet Medallion
16%inclusion7 decks45 decks
12%synergy
Altar of the Wretched
8.9%inclusion4 decks45 decks
9%synergy
Cauldron of Souls
8.9%inclusion4 decks45 decks
8%synergy
Blasting Station
8.9%inclusion4 decks45 decks
8%synergy
Matzalantli, the Great Door
8.9%inclusion4 decks45 decks
8%synergy
Thousand-Year Elixir
8.9%inclusion4 decks45 decks
7%synergy
Lifeline
6.7%inclusion3 decks45 decks
7%synergy
Spawning Pit
6.7%inclusion3 decks45 decks
6%synergy
Foot Chopper
6.7%inclusion1 decks15 decks
6%synergy
Magewright's Stone
6.7%inclusion3 decks45 decks
6%synergy
Mimic Vat
6.7%inclusion3 decks45 decks
6%synergy
Mesmeric Orb
6.7%inclusion3 decks45 decks
5%synergy
Bontu's Monument
6.7%inclusion3 decks45 decks
5%synergy
Expedition Map
6.7%inclusion3 decks45 decks
4%synergy
Swiftfoot Boots
6.7%inclusion3 decks45 decks
-20%synergy
Enchantments
Animate Dead
40%inclusion18 decks45 decks
31%synergy
Birthing Ritual
33%inclusion6 decks18 decks
33%synergy
Ripples of Undeath
33%inclusion15 decks45 decks
29%synergy
Avatar Destiny
20%inclusion3 decks15 decks
20%synergy
Chthonian Nightmare
20%inclusion9 decks45 decks
19%synergy
Funeral Room // Awakening Hall
18%inclusion8 decks45 decks
16%synergy
Bastion of Remembrance
18%inclusion8 decks45 decks
11%synergy
Journey to Eternity
17%inclusion3 decks18 decks
15%synergy
Greater Good
17%inclusion3 decks18 decks
12%synergy
Insidious Roots
17%inclusion3 decks18 decks
11%synergy
Industrial Advancement
16%inclusion3 decks19 decks
15%synergy
Necromancy
16%inclusion7 decks45 decks
13%synergy
Dance of the Dead
13%inclusion6 decks45 decks
12%synergy
Tortured Existence
13%inclusion6 decks45 decks
11%synergy
Grave Pact
11%inclusion5 decks45 decks
6%synergy
The Meathook Massacre
11%inclusion5 decks45 decks
6%synergy
Black Market Connections
8.9%inclusion4 decks45 decks
-3%synergy
The Sibsig Ceremony
7.0%inclusion3 decks43 decks
7%synergy
Tombstone Stairwell
6.7%inclusion3 decks45 decks
6%synergy
Scavenger's Talent
6.7%inclusion3 decks45 decks
6%synergy
Kaya's Ghostform
6.7%inclusion3 decks45 decks
3%synergy
Planeswalkers
Liliana, Dreadhorde General
6.7%inclusion3 decks45 decks
3%synergy
Utility Lands
Phyrexian Tower
49%inclusion22 decks45 decks
40%synergy
Takenuma, Abandoned Mire
44%inclusion20 decks45 decks
36%synergy
Spymaster's Vault
36%inclusion16 decks45 decks
33%synergy
Bojuka Bog
36%inclusion16 decks45 decks
6%synergy
Boseiju, Who Endures
33%inclusion6 decks18 decks
15%synergy
Eiganjo, Seat of the Empire
31%inclusion5 decks16 decks
24%synergy
Urborg, Tomb of Yawgmoth
31%inclusion14 decks45 decks
22%synergy
Shifting Woodland
28%inclusion5 decks18 decks
21%synergy
Arena of Glory
26%inclusion5 decks19 decks
20%synergy
Minas Tirith
25%inclusion4 decks16 decks
19%synergy
High Market
24%inclusion11 decks45 decks
22%synergy
Cabal Coffers
24%inclusion11 decks45 decks
15%synergy
Susur Secundi, Void Altar
18%inclusion7 decks39 decks
16%synergy
Dakmor Salvage
18%inclusion8 decks45 decks
15%synergy
Yavimaya, Cradle of Growth
18%inclusion8 decks45 decks
9%synergy
Crypt of Agadeem
13%inclusion6 decks45 decks
12%synergy
Witch's Cottage
13%inclusion6 decks45 decks
10%synergy
Rogue's Passage
13%inclusion6 decks45 decks
-7%synergy
Castle Locthwain
11%inclusion5 decks45 decks
7%synergy
Mortuary Mire
11%inclusion5 decks45 decks
7%synergy
Cabal Stronghold
8.9%inclusion4 decks45 decks
6%synergy
Shizo, Death's Storehouse
8.9%inclusion4 decks45 decks
5%synergy
Accursed Duneyard
6.8%inclusion3 decks44 decks
6%synergy
Volrath's Stronghold
6.7%inclusion3 decks45 decks
6%synergy
Westvale Abbey
6.7%inclusion3 decks45 decks
4%synergy
Thespian's Stage
6.7%inclusion3 decks45 decks
4%synergy
Nykthos, Shrine to Nyx
6.7%inclusion3 decks45 decks
1%synergy
Reliquary Tower
6.7%inclusion3 decks45 decks
-23%synergy
Mana Artifacts
Sol Ring
69%inclusion31 decks45 decks
-15%synergy
Arcane Signet
51%inclusion23 decks45 decks
-21%synergy
Orzhov Signet
25%inclusion4 decks16 decks
2%synergy
Talisman of Hierarchy
25%inclusion4 decks16 decks
-1%synergy
Cursed Mirror
16%inclusion3 decks19 decks
10%synergy
Rakdos Signet
16%inclusion3 decks19 decks
-8%synergy
Talisman of Indulgence
16%inclusion3 decks19 decks
-12%synergy
Mind Stone
6.7%inclusion3 decks45 decks
-8%synergy
Fellwar Stone
6.7%inclusion3 decks45 decks
-14%synergy
Lands
Hallowed Fountain
100%inclusion4 decks4 decks
60%synergy
Godless Shrine
94%inclusion15 decks16 decks
52%synergy
Stomping Ground
88%inclusion7 decks8 decks
46%synergy
Morphic Pool
80%inclusion4 decks5 decks
56%synergy
Temple Garden
80%inclusion4 decks5 decks
41%synergy
Watery Grave
80%inclusion4 decks5 decks
38%synergy
Sea of Clouds
75%inclusion3 decks4 decks
51%synergy
Sacred Foundry
75%inclusion6 decks8 decks
38%synergy
Command Tower
73%inclusion33 decks45 decks
-1%synergy
Overgrown Tomb
72%inclusion13 decks18 decks
31%synergy
Elegant Parlor
63%inclusion5 decks8 decks
55%synergy
Savai Triome
63%inclusion5 decks8 decks
39%synergy
Ziatora's Proving Ground
63%inclusion5 decks8 decks
36%synergy
Undergrowth Stadium
61%inclusion11 decks18 decks
37%synergy
Llanowar Wastes
61%inclusion11 decks18 decks
34%synergy
Bountiful Promenade
60%inclusion3 decks5 decks
38%synergy
Indatha Triome
60%inclusion3 decks5 decks
33%synergy
Blood Crypt
58%inclusion11 decks19 decks
20%synergy
Vault of Champions
56%inclusion9 decks16 decks
33%synergy
Raucous Theater
53%inclusion10 decks19 decks
42%synergy
Shadowy Backstreet
50%inclusion8 decks16 decks
40%synergy
Woodland Cemetery
44%inclusion8 decks18 decks
12%synergy
Exotic Orchard
42%inclusion19 decks45 decks
6%synergy
Haunted Ridge
42%inclusion8 decks19 decks
26%synergy
Underground Mortuary
39%inclusion7 decks18 decks
26%synergy
Deathcap Glade
39%inclusion7 decks18 decks
26%synergy
Karplusan Forest
38%inclusion3 decks8 decks
17%synergy
Rockfall Vale
38%inclusion3 decks8 decks
17%synergy
Savage Lands
38%inclusion3 decks8 decks
16%synergy
Luxury Suite
37%inclusion7 decks19 decks
13%synergy
Sulfurous Springs
37%inclusion7 decks19 decks
13%synergy
Darkbore Pathway
33%inclusion6 decks18 decks
27%synergy
Wastewood Verge
33%inclusion6 decks18 decks
26%synergy
Blazemire Verge
32%inclusion6 decks19 decks
21%synergy
Smoldering Marsh
32%inclusion6 decks19 decks
-2%synergy
Brightclimb Pathway
31%inclusion5 decks16 decks
23%synergy
Bleachbone Verge
31%inclusion5 decks16 decks
23%synergy
Shattered Sanctum
31%inclusion5 decks16 decks
16%synergy
Caves of Koilos
31%inclusion5 decks16 decks
2%synergy
Bloodstained Mire
31%inclusion14 decks45 decks
20%synergy
Vernal Fen
29%inclusion5 decks17 decks
19%synergy
Verdant Catacombs
29%inclusion13 decks45 decks
18%synergy
Nurturing Peatland
28%inclusion5 decks18 decks
23%synergy
Twilight Mire
28%inclusion5 decks18 decks
14%synergy
Marsh Flats
27%inclusion12 decks45 decks
16%synergy
Viridescent Bog
22%inclusion4 decks18 decks
14%synergy
Polluted Delta
22%inclusion10 decks45 decks
10%synergy
Mount Doom
21%inclusion4 decks19 decks
15%synergy
Graven Cairns
21%inclusion4 decks19 decks
11%synergy
Tainted Peak
21%inclusion4 decks19 decks
10%synergy