Prowling Geistcatcher
Phyrexian Delver
Gray Merchant of Asphodel
Yahenni, Undying Partisan

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Yahenni 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 Yahenni 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
Resolve the Yahenni abilities from steps 1 and 3.
9
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite lifegain triggers
Infinite lifegain
Infinite lifeloss
Grenzo, Dungeon Warden
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Gonti, Lord of Luxury
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Junji, the Midnight Sky
0.4%inclusion2 decks554 decks
Balthor the Defiled
0.2%inclusion2 decks839 decks
Gix, Yawgmoth Praetor
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Sephiroth, Fabled SOLDIER
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Savra, Queen of the Golgari
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Safana, Calimport Cutthroat // Scion of Halaster
33%inclusion1 decks3 decks
New Cards
Twilight Diviner
40%inclusion2 decks5 decks
38%synergy
Sinister Gnarlbark
20%inclusion1 decks5 decks
18%synergy
High Synergy Cards
Emrakul's Hatcher
86%inclusion6 decks7 decks
85%synergy
Viscera Seer
78%inclusion14 decks18 decks
70%synergy
Deathbringer Thoctar
57%inclusion4 decks7 decks
57%synergy
Priest of Urabrask
57%inclusion4 decks7 decks
57%synergy
Zealous Conscripts
57%inclusion4 decks7 decks
56%synergy
Siege-Gang Commander
57%inclusion4 decks7 decks
55%synergy
Ashnod's Altar
61%inclusion11 decks18 decks
55%synergy
Puppeteer Clique
56%inclusion10 decks18 decks
54%synergy
Chainer, Nightmare Adept
57%inclusion4 decks7 decks
53%synergy
Ravenous Chupacabra
56%inclusion10 decks18 decks
53%synergy
Top Cards
Solemn Simulacrum
61%inclusion11 decks18 decks
49%synergy
Mahadi, Emporium Master
57%inclusion4 decks7 decks
52%synergy
Woe Strider
50%inclusion9 decks18 decks
48%synergy
Meteor Golem
50%inclusion9 decks18 decks
48%synergy
Disciple of Bolas
50%inclusion9 decks18 decks
48%synergy
Accursed Marauder
50%inclusion9 decks18 decks
45%synergy
Umbral Collar Zealot
45%inclusion5 decks11 decks
42%synergy
Plaguecrafter
44%inclusion8 decks18 decks
40%synergy
Pitiless Plunderer
44%inclusion8 decks18 decks
36%synergy
Victimize
44%inclusion8 decks18 decks
32%synergy
Creatures
Reckless Barbarian
43%inclusion3 decks7 decks
42%synergy
Judith, the Scourge Diva
43%inclusion3 decks7 decks
42%synergy
Treasonous Ogre
43%inclusion3 decks7 decks
41%synergy
Murderous Redcap
43%inclusion3 decks7 decks
41%synergy
Iron Myr
43%inclusion3 decks7 decks
40%synergy
Goblin Engineer
43%inclusion3 decks7 decks
40%synergy
Kiki-Jiki, Mirror Breaker
43%inclusion3 decks7 decks
40%synergy
Soldevi Adnate
39%inclusion7 decks18 decks
38%synergy
Pawn of Ulamog
39%inclusion7 decks18 decks
37%synergy
Shriekmaw
39%inclusion7 decks18 decks
37%synergy
Grim Haruspex
39%inclusion7 decks18 decks
36%synergy
Ornithopter of Paradise
39%inclusion7 decks18 decks
34%synergy
Massacre Wurm
39%inclusion7 decks18 decks
34%synergy
Zulaport Cutthroat
39%inclusion7 decks18 decks
30%synergy
Massacre Girl
33%inclusion6 decks18 decks
31%synergy
Crypt Ghast
33%inclusion6 decks18 decks
28%synergy
Morbid Opportunist
33%inclusion6 decks18 decks
26%synergy
Syr Konrad, the Grim
33%inclusion6 decks18 decks
25%synergy
Blood Artist
33%inclusion6 decks18 decks
22%synergy
Barkform Harvester
29%inclusion5 decks17 decks
29%synergy
Workhorse
28%inclusion5 decks18 decks
28%synergy
Tomb Trawler
28%inclusion5 decks18 decks
28%synergy
Grim Servant
28%inclusion5 decks18 decks
27%synergy
Vile Entomber
28%inclusion5 decks18 decks
26%synergy
Grave Titan
28%inclusion5 decks18 decks
25%synergy
Butcher of Malakir
28%inclusion5 decks18 decks
25%synergy
Burnished Hart
28%inclusion5 decks18 decks
25%synergy
Carrion Feeder
28%inclusion5 decks18 decks
23%synergy
Warren Soultrader
28%inclusion5 decks18 decks
22%synergy
Hoverstone Pilgrim
22%inclusion4 decks18 decks
22%synergy
Faceless Butcher
22%inclusion4 decks18 decks
22%synergy
Overeager Apprentice
22%inclusion4 decks18 decks
22%synergy
Body Launderer
22%inclusion4 decks18 decks
22%synergy
Priest of Gix
22%inclusion4 decks18 decks
22%synergy
Abhorrent Overlord
22%inclusion4 decks18 decks
22%synergy
Merciless Executioner
22%inclusion4 decks18 decks
21%synergy
Demon's Disciple
22%inclusion4 decks18 decks
21%synergy
Leaden Myr
22%inclusion4 decks18 decks
20%synergy
Palladium Myr
22%inclusion4 decks18 decks
20%synergy
Priest of Forgotten Gods
22%inclusion4 decks18 decks
20%synergy
Marionette Master
22%inclusion4 decks18 decks
20%synergy
Ayara, First of Locthwain
22%inclusion4 decks18 decks
19%synergy
Fleshbag Marauder
22%inclusion4 decks18 decks
19%synergy
Reassembling Skeleton
22%inclusion4 decks18 decks
19%synergy
Boggart Trawler
22%inclusion4 decks18 decks
18%synergy
Epitaph Golem
17%inclusion3 decks18 decks
17%synergy
Nefarious Imp
17%inclusion3 decks18 decks
17%synergy
Clone Shell
17%inclusion3 decks18 decks
17%synergy
Body Snatcher
17%inclusion3 decks18 decks
16%synergy
Author of Shadows
17%inclusion3 decks18 decks
16%synergy
Instants
Withering Torment
29%inclusion5 decks17 decks
22%synergy
Malicious Affliction
22%inclusion4 decks18 decks
22%synergy
Village Rites
22%inclusion4 decks18 decks
13%synergy
Wake the Dead
17%inclusion3 decks18 decks
16%synergy
Undying Evil
17%inclusion3 decks18 decks
16%synergy
Songs of the Damned
17%inclusion3 decks18 decks
16%synergy
Feign Death
17%inclusion3 decks18 decks
15%synergy
Malakir Rebirth
17%inclusion3 decks18 decks
9%synergy
Deadly Dispute
17%inclusion3 decks18 decks
4%synergy
Dark Ritual
17%inclusion3 decks18 decks
-8%synergy
Sorceries
Mutilate
33%inclusion6 decks18 decks
32%synergy
Dread Return
33%inclusion6 decks18 decks
28%synergy
Sign in Blood
33%inclusion6 decks18 decks
25%synergy
Read the Bones
28%inclusion5 decks18 decks
22%synergy
Feed the Swarm
28%inclusion5 decks18 decks
12%synergy
Season of Loss
24%inclusion4 decks17 decks
23%synergy
Come Back Wrong
24%inclusion4 decks17 decks
23%synergy
Diresight
24%inclusion4 decks17 decks
22%synergy
Profane Command
22%inclusion4 decks18 decks
22%synergy
Lively Dirge
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20%synergy
Black Sun's Zenith
17%inclusion3 decks18 decks
15%synergy
Syphon Mind
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14%synergy
Agadeem's Awakening
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14%synergy
Buried Alive
17%inclusion3 decks18 decks
11%synergy
Exsanguinate
17%inclusion3 decks18 decks
10%synergy
Reanimate
17%inclusion3 decks18 decks
-2%synergy
Utility Artifacts
Heartstone
33%inclusion6 decks18 decks
33%synergy
Jet Medallion
28%inclusion5 decks18 decks
24%synergy
Tel-Jilad Stylus
22%inclusion4 decks18 decks
22%synergy
The Cauldron of Eternity
22%inclusion4 decks18 decks
22%synergy
Blade of Selves
22%inclusion4 decks18 decks
21%synergy
Panharmonicon
22%inclusion4 decks18 decks
18%synergy
Cloak and Dagger
17%inclusion3 decks18 decks
17%synergy
Mimic Vat
17%inclusion3 decks18 decks
16%synergy
Swiftfoot Boots
17%inclusion3 decks18 decks
-10%synergy
Enchantments
Phyrexian Arena
28%inclusion5 decks18 decks
12%synergy
Black Market
22%inclusion4 decks18 decks
18%synergy
Grave Pact
17%inclusion3 decks18 decks
12%synergy
Animate Dead
17%inclusion3 decks18 decks
8%synergy
Utility Lands
Bojuka Bog
56%inclusion10 decks18 decks
26%synergy
Great Furnace
43%inclusion3 decks7 decks
37%synergy
Zhalfirin Void
22%inclusion4 decks18 decks
22%synergy
Crypt of Agadeem
22%inclusion4 decks18 decks
20%synergy
Ghost Quarter
22%inclusion4 decks18 decks
20%synergy
Cabal Coffers
22%inclusion4 decks18 decks
13%synergy
Westvale Abbey
17%inclusion3 decks18 decks
14%synergy
High Market
17%inclusion3 decks18 decks
14%synergy
Cabal Stronghold
17%inclusion3 decks18 decks
14%synergy
Vault of Whispers
17%inclusion3 decks18 decks
12%synergy
Urborg, Tomb of Yawgmoth
17%inclusion3 decks18 decks
8%synergy
Mana Artifacts
Sol Ring
78%inclusion14 decks18 decks
-6%synergy
Arcane Signet
44%inclusion8 decks18 decks
-28%synergy
Charcoal Diamond
17%inclusion3 decks18 decks
13%synergy
Mind Stone
17%inclusion3 decks18 decks
2%synergy
Lands
Temple of Malice
86%inclusion6 decks7 decks
73%synergy
Smoldering Marsh
71%inclusion5 decks7 decks
38%synergy
Tainted Peak
57%inclusion4 decks7 decks
46%synergy
Rakdos Carnarium
57%inclusion4 decks7 decks
45%synergy
Shadowblood Ridge
43%inclusion3 decks7 decks
30%synergy
Dragonskull Summit
43%inclusion3 decks7 decks
8%synergy
Command Tower
39%inclusion7 decks18 decks
-35%synergy
Crystal Grotto
17%inclusion3 decks18 decks
16%synergy
The Grey Havens
17%inclusion3 decks18 decks
16%synergy