Prowling Geistcatcher
Phyrexian Delver
Gray Merchant of Asphodel
Ashnod's Altar

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Ashnod's Altar twice by sacrificing Phyrexian Delver and Gray Merchant.
2
When Phyrexian Delver and Gray Merchant die, Prowling Geistcatcher's first ability triggers twice, exiling Phyrexian Delver and Gray Merchant from your graveyard.
3
Activate Ashnod's Altar by sacrificing Prowling Geistcatcher.
4
When Prowling Geistcatcher dies, its second ability triggers, returning Phyrexian Delver and Gray Merchant from exile to the battlefield.
5
When Phyrexian Delver and Gray Merchant enter the battlefield, they trigger.
6
Resolve the Gray Merchant trigger, causing each opponent to lose an amount of life equal to your devotion to black, and causing you to gain life equal to the life lost this way.
7
Resolve the Phyrexian Delver trigger, causing you to return Prowling Geistcatcher from your graveyard to the battlefield and lose 4 life.
8
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite colorless mana
Infinite lifegain triggers
Infinite lifegain
Infinite lifeloss
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New Cards
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99%synergy
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High Synergy Cards
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70%synergy
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Top Cards
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Creatures
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39%synergy
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30%synergy
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Instants
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11%synergy
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Sorceries
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Utility Artifacts
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37%synergy
Tel-Jilad Stylus
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28%synergy
The Cauldron of Eternity
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27%synergy
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16%synergy
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26%inclusion20 decks78 decks
22%synergy
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19%synergy
Nim Deathmantle
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17%synergy
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13%synergy
Panharmonicon
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10%synergy
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4%synergy
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9%synergy
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8%synergy
Sword of Hearth and Home
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7%synergy
Bontu's Monument
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6%synergy
Voyager Staff
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6%synergy
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Expedition Map
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4%synergy
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5%synergy
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5.1%inclusion4 decks78 decks
5%synergy
Spawning Pit
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5%synergy
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5.1%inclusion4 decks78 decks
4%synergy
Enchantments
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17%inclusion13 decks78 decks
8%synergy
Phyrexian Reclamation
14%inclusion11 decks78 decks
11%synergy
Mana Echoes
14%inclusion5 decks37 decks
13%synergy
Black Market
13%inclusion10 decks78 decks
9%synergy
Bastion of Remembrance
12%inclusion9 decks78 decks
5%synergy
Goblin Bombardment
11%inclusion4 decks37 decks
5%synergy
Kaya's Ghostform
9.0%inclusion7 decks78 decks
5%synergy
Industrial Advancement
8.1%inclusion3 decks37 decks
8%synergy
Braid of Fire
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7%synergy
Dark Prophecy
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7%synergy
Vampiric Rites
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5%synergy
Grave Pact
7.7%inclusion6 decks78 decks
3%synergy
Phyrexian Arena
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Blight Mound
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6%synergy
Dictate of Erebos
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3%synergy
The Meathook Massacre
6.4%inclusion5 decks78 decks
1%synergy
Chthonian Nightmare
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4%synergy
Necromancy
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2%synergy
Bitterblossom
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1%synergy
Black Market Connections
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Planeswalkers
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6.4%inclusion5 decks78 decks
3%synergy
Utility Lands
Great Furnace
43%inclusion16 decks37 decks
37%synergy
Bojuka Bog
41%inclusion32 decks78 decks
11%synergy
Grim Backwoods
38%inclusion3 decks8 decks
34%synergy
Phyrexian Tower
36%inclusion28 decks78 decks
27%synergy
Buried Ruin
33%inclusion26 decks78 decks
29%synergy
Urborg, Tomb of Yawgmoth
33%inclusion26 decks78 decks
24%synergy
Zhalfirin Void
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26%synergy
Cabal Coffers
27%inclusion21 decks78 decks
17%synergy
High Market
23%inclusion18 decks78 decks
20%synergy
Nykthos, Shrine to Nyx
22%inclusion17 decks78 decks
16%synergy
Spinerock Knoll
22%inclusion8 decks37 decks
18%synergy
Vault of Whispers
21%inclusion16 decks78 decks
16%synergy
Cabal Stronghold
18%inclusion14 decks78 decks
15%synergy
Takenuma, Abandoned Mire
17%inclusion13 decks78 decks
8%synergy
Witch's Cottage
13%inclusion10 decks78 decks
9%synergy
Crypt of Agadeem
12%inclusion9 decks78 decks
10%synergy
Mortuary Mire
12%inclusion9 decks78 decks
7%synergy
Spymaster's Vault
11%inclusion8 decks73 decks
8%synergy
Homeward Path
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8%synergy
Inventors' Fair
9.0%inclusion7 decks78 decks
5%synergy
War Room
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3%synergy
Reliquary Tower
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Sokenzan, Crucible of Defiance
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5%synergy
Tomb Fortress
7.7%inclusion6 decks78 decks
7%synergy
Ghost Quarter
7.7%inclusion6 decks78 decks
6%synergy
Dakmor Salvage
7.7%inclusion6 decks78 decks
5%synergy
Temple of the False God
7.7%inclusion6 decks78 decks
-1%synergy
Isolated Watchtower
6.4%inclusion5 decks78 decks
6%synergy
Drownyard Temple
6.4%inclusion5 decks78 decks
6%synergy
Volrath's Stronghold
6.4%inclusion5 decks78 decks
5%synergy
Westvale Abbey
6.4%inclusion5 decks78 decks
4%synergy
Thespian's Stage
6.4%inclusion5 decks78 decks
4%synergy
Castle Locthwain
6.4%inclusion5 decks78 decks
3%synergy
Urza's Saga
6.4%inclusion5 decks78 decks
-1%synergy
Command Beacon
5.1%inclusion4 decks78 decks
0%synergy
Rogue's Passage
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-15%synergy
Mana Artifacts
Sol Ring
86%inclusion67 decks78 decks
2%synergy
Arcane Signet
44%inclusion34 decks78 decks
-29%synergy
Rakdos Signet
19%inclusion7 decks37 decks
-6%synergy
Mind Stone
17%inclusion13 decks78 decks
2%synergy
Fellwar Stone
17%inclusion13 decks78 decks
-4%synergy
Talisman of Indulgence
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-11%synergy
Charcoal Diamond
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7%synergy
The Soul Stone
9.1%inclusion3 decks33 decks
5%synergy
Cursed Mirror
8.1%inclusion3 decks37 decks
3%synergy
Thought Vessel
6.4%inclusion5 decks78 decks
-11%synergy
Thran Turbine
5.1%inclusion4 decks78 decks
5%synergy
Lands
Llanowar Wastes
75%inclusion6 decks8 decks
48%synergy
Woodland Cemetery
63%inclusion5 decks8 decks
30%synergy
Command Tower
60%inclusion47 decks78 decks
-14%synergy
Temple of Malice
57%inclusion21 decks37 decks
44%synergy
Blood Crypt
57%inclusion21 decks37 decks
19%synergy
Sulfurous Springs
54%inclusion20 decks37 decks
30%synergy
Smoldering Marsh
54%inclusion20 decks37 decks
20%synergy
Dragonskull Summit
54%inclusion20 decks37 decks
19%synergy
Luxury Suite
49%inclusion18 decks37 decks
25%synergy
Graven Cairns
46%inclusion17 decks37 decks
36%synergy
Twilight Mire
38%inclusion3 decks8 decks
24%synergy
Temple of Malady
38%inclusion3 decks8 decks
22%synergy
Golgari Rot Farm
38%inclusion3 decks8 decks
21%synergy
Overgrown Tomb
38%inclusion3 decks8 decks
-4%synergy
Haunted Ridge
32%inclusion12 decks37 decks
16%synergy
Rakdos Carnarium
30%inclusion11 decks37 decks
18%synergy
Blightstep Pathway
27%inclusion10 decks37 decks
19%synergy
Crystal Grotto
26%inclusion20 decks78 decks
25%synergy
Bloodstained Mire
24%inclusion19 decks78 decks
13%synergy
Blazemire Verge
23%inclusion7 decks31 decks
12%synergy
Tainted Peak
22%inclusion8 decks37 decks
10%synergy
Foreboding Ruins
22%inclusion8 decks37 decks
7%synergy
Myriad Landscape
18%inclusion14 decks78 decks
2%synergy
The Grey Havens
17%inclusion13 decks78 decks
16%synergy
Shadowblood Ridge
16%inclusion6 decks37 decks
4%synergy
Badlands
16%inclusion6 decks37 decks
3%synergy
Cavern of Souls
13%inclusion10 decks78 decks
6%synergy
Exotic Orchard
13%inclusion10 decks78 decks
-24%synergy
Marsh Flats
12%inclusion9 decks78 decks
1%synergy
Drossforge Bridge
11%inclusion4 decks37 decks
7%synergy
Raucous Theater
11%inclusion4 decks37 decks
1%synergy
Polluted Delta
10%inclusion8 decks78 decks
-2%synergy
Path of Ancestry
10%inclusion8 decks78 decks
-12%synergy
Plaza of Heroes
9.0%inclusion7 decks78 decks
6%synergy
Demolition Field
9.0%inclusion7 decks78 decks
6%synergy
Prismatic Vista
9.0%inclusion7 decks78 decks
4%synergy
Verdant Catacombs
9.0%inclusion7 decks78 decks
-2%synergy
Talon Gates of Madara
8.3%inclusion6 decks72 decks
6%synergy
Auntie's Hovel
8.1%inclusion3 decks37 decks
8%synergy
Rakdos Guildgate
8.1%inclusion3 decks37 decks
4%synergy
Mount Doom
8.1%inclusion3 decks37 decks
2%synergy
Blackcleave Cliffs
8.1%inclusion3 decks37 decks
2%synergy
Bloodfell Caves
8.1%inclusion3 decks37 decks
1%synergy
Canyon Slough
8.1%inclusion3 decks37 decks
0%synergy
Wooded Foothills
7.7%inclusion6 decks78 decks
-3%synergy
Evolving Wilds
7.7%inclusion6 decks78 decks
-13%synergy
Lazotep Quarry
6.9%inclusion5 decks72 decks
6%synergy
Opal Palace
5.1%inclusion4 decks78 decks
3%synergy
Arid Mesa
5.1%inclusion4 decks78 decks
-5%synergy