Horobi, Death's Wail
Shadow Alley Denizen
Ogre Slumlord

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You have a way to put a black creature onto the battlefield under your control.

   Steps

How does this combo work?
1
Put a black creature onto the battlefield under your control.
2
Shadow Alley Denizen triggers, targeting any nontoken creature an opponent controls.
3
Horobi triggers, destroying the targeted creature.
4
When the creature dies, Ogre Slumlord triggers, creating a 1/1 Rat creature token.
5
Repeat from step 2.

   Results

What do I get from this combo?
Destroy any number of nontoken creatures whenever a black creature enters the battlefield under your control
Destroy any number of nontoken creatures whenever a creature dies
Lock
Rat King, Verminister
0.0%inclusion1 decks2.56K decks
Top Commanders
Horobi, Death's Wail
39%inclusion817 decks2.08K decks
Ayara, First of Locthwain
0.0%inclusion3 decks6.44K decks
Marrow-Gnawer
0.0%inclusion3 decks13K decks
Lord Skitter, Sewer King
0.3%inclusion2 decks740 decks
Vren, the Relentless
0.0%inclusion2 decks11.7K decks
Xira, the Golden Sting
0.0%inclusion1 decks2.87K decks
Rev, Tithe Extractor
0.0%inclusion1 decks3.62K decks
Erebos, God of the Dead
0.1%inclusion1 decks1.50K decks
Evelyn, the Covetous
0.0%inclusion1 decks3.92K decks
Sorin of House Markov
0.0%inclusion1 decks6.32K decks
Karumonix, the Rat King
0.0%inclusion1 decks6.37K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.24K decks
Shay Cormac
0.1%inclusion1 decks1.85K decks
King of the Oathbreakers
0.0%inclusion1 decks4.37K decks
Gisa, the Hellraiser
0.0%inclusion1 decks6K decks
New Cards
Big Apple, 3 a.m.
1.5%inclusion1 decks66 decks
1%synergy
Rat King, Pale Piper
1.5%inclusion1 decks66 decks
1%synergy
Shark Shredder, Killer Clone
0.9%inclusion1 decks117 decks
0%synergy
High Synergy Cards
Tetzimoc, Primal Death
89%inclusion749 decks838 decks
89%synergy
Mogis's Marauder
82%inclusion687 decks838 decks
82%synergy
Scuttlemutt
82%inclusion683 decks838 decks
81%synergy
Glaring Spotlight
75%inclusion625 decks838 decks
74%synergy
Harvester of Souls
75%inclusion632 decks838 decks
74%synergy
Tooth of Chiss-Goria
71%inclusion598 decks838 decks
71%synergy
Bloodthirsty Blade
71%inclusion597 decks838 decks
71%synergy
Scale of Chiss-Goria
69%inclusion579 decks838 decks
69%synergy
Liquimetal Coating
68%inclusion572 decks838 decks
68%synergy
Cauldron of Souls
68%inclusion571 decks838 decks
68%synergy
Top Cards
Blood Artist
75%inclusion626 decks838 decks
63%synergy
Morbid Opportunist
71%inclusion596 decks838 decks
63%synergy
Syr Konrad, the Grim
70%inclusion586 decks838 decks
62%synergy
Aphotic Wisps
65%inclusion548 decks838 decks
65%synergy
Retribution of the Ancients
65%inclusion547 decks838 decks
65%synergy
Squee's Toy
64%inclusion539 decks838 decks
64%synergy
Sangromancer
64%inclusion533 decks838 decks
62%synergy
Orc Sureshot
63%inclusion531 decks838 decks
63%synergy
Sign in Blood
63%inclusion526 decks838 decks
54%synergy
Gray Merchant of Asphodel
61%inclusion512 decks838 decks
53%synergy
Game Changers
Demonic Tutor
17%inclusion144 decks838 decks
-2%synergy
Orcish Bowmasters
15%inclusion122 decks838 decks
6%synergy
Vampiric Tutor
12%inclusion103 decks838 decks
-2%synergy
Bolas's Citadel
11%inclusion89 decks838 decks
3%synergy
Necropotence
6.3%inclusion53 decks838 decks
1%synergy
Creatures
Nefashu
61%inclusion508 decks838 decks
61%synergy
Gisa, Glorious Resurrector
59%inclusion491 decks838 decks
57%synergy
Falkenrath Noble
57%inclusion478 decks838 decks
55%synergy
Crypt Ghast
48%inclusion401 decks838 decks
43%synergy
Rathi Trapper
46%inclusion389 decks838 decks
46%synergy
Kaervek, the Punisher
46%inclusion389 decks838 decks
46%synergy
Dread Presence
45%inclusion381 decks838 decks
44%synergy
Massacre Wurm
44%inclusion366 decks838 decks
39%synergy
Hex Parasite
39%inclusion330 decks838 decks
39%synergy
Yahenni, Undying Partisan
38%inclusion317 decks838 decks
35%synergy
Vashta Nerada
35%inclusion290 decks838 decks
34%synergy
Inversion Behemoth
34%inclusion268 decks780 decks
34%synergy
Zulaport Cutthroat
32%inclusion265 decks838 decks
23%synergy
Solemn Simulacrum
31%inclusion261 decks838 decks
19%synergy
Kothophed, Soul Hoarder
28%inclusion238 decks838 decks
28%synergy
Caustic Crawler
28%inclusion231 decks838 decks
27%synergy
Sorceress Queen
27%inclusion224 decks838 decks
27%synergy
Persistent Constrictor
24%inclusion168 decks696 decks
23%synergy
Gisa, the Hellraiser
23%inclusion195 decks838 decks
22%synergy
Mortivore
22%inclusion188 decks838 decks
22%synergy
Sunset Saboteur
21%inclusion74 decks359 decks
21%synergy
Xenic Poltergeist
19%inclusion157 decks838 decks
19%synergy
Shambling Swarm
18%inclusion153 decks838 decks
18%synergy
Leaden Myr
17%inclusion142 decks838 decks
15%synergy
Dauthi Trapper
16%inclusion137 decks838 decks
16%synergy
Sepulchral Primordial
16%inclusion130 decks838 decks
14%synergy
Archpriest of Shadows
14%inclusion115 decks838 decks
13%synergy
High-Society Hunter
14%inclusion88 decks645 decks
13%synergy
Drana, Kalastria Bloodchief
13%inclusion110 decks838 decks
13%synergy
Drivnod, Carnage Dominus
13%inclusion107 decks838 decks
11%synergy
Vilis, Broker of Blood
12%inclusion103 decks838 decks
10%synergy
Scorn-Blade Berserker
12%inclusion98 decks838 decks
11%synergy
Vadmir, New Blood
11%inclusion96 decks838 decks
11%synergy
Barbed Servitor
11%inclusion92 decks838 decks
10%synergy
Abyssal Harvester
11%inclusion68 decks639 decks
9%synergy
Burnished Hart
10%inclusion87 decks838 decks
7%synergy
Dauthi Voidwalker
10%inclusion81 decks838 decks
3%synergy
Fourth Bridge Prowler
9.4%inclusion79 decks838 decks
9%synergy
Vincent Valentine
9.4%inclusion40 decks425 decks
8%synergy
Festering Mummy
9.3%inclusion78 decks838 decks
9%synergy
Soul of New Phyrexia
9.1%inclusion76 decks838 decks
9%synergy
Overseer of the Damned
8.8%inclusion74 decks838 decks
8%synergy
Bile-Vial Boggart
6.9%inclusion9 decks130 decks
7%synergy
K'rrik, Son of Yawgmoth
6.9%inclusion58 decks838 decks
5%synergy
Sheoldred, Whispering One
6.9%inclusion58 decks838 decks
3%synergy
Erebos, God of the Dead
6.8%inclusion57 decks838 decks
6%synergy
Deathgreeter
6.0%inclusion50 decks838 decks
5%synergy
Misery's Shadow
5.7%inclusion48 decks838 decks
6%synergy
Vein Ripper
5.7%inclusion48 decks838 decks
4%synergy
Fate Unraveler
5.5%inclusion46 decks838 decks
4%synergy
Instants
Tragic Slip
60%inclusion499 decks838 decks
56%synergy
Dark Ritual
58%inclusion490 decks838 decks
34%synergy
Defile
45%inclusion378 decks838 decks
42%synergy
Subtle Strike
38%inclusion319 decks838 decks
38%synergy
Slice from the Shadows
37%inclusion314 decks838 decks
37%synergy
Lose Hope
35%inclusion293 decks838 decks
35%synergy
Touch of Darkness
33%inclusion280 decks838 decks
33%synergy
Bladebrand
32%inclusion265 decks838 decks
31%synergy
Sugar Rush
28%inclusion235 decks838 decks
28%synergy
Withering Torment
25%inclusion173 decks697 decks
17%synergy
Disfigure
20%inclusion170 decks838 decks
20%synergy
Blood Pact
19%inclusion159 decks838 decks
18%synergy
Imp's Mischief
19%inclusion158 decks838 decks
15%synergy
Darkblast
18%inclusion154 decks838 decks
18%synergy
Thrilling Encore
17%inclusion144 decks838 decks
17%synergy
Black Sun's Twilight
15%inclusion127 decks838 decks
14%synergy
Consuming Corruption
15%inclusion119 decks787 decks
14%synergy
Stab
14%inclusion88 decks637 decks
14%synergy
Wail of the Nim
13%inclusion113 decks838 decks
13%synergy
Rise of the Dread Marn
13%inclusion105 decks838 decks
12%synergy
Gravebind
12%inclusion104 decks838 decks
12%synergy
Sudden Spoiling
12%inclusion104 decks838 decks
11%synergy
Fated Return
12%inclusion103 decks838 decks
12%synergy
Village Rites
12%inclusion98 decks838 decks
3%synergy
Fungal Infection
10%inclusion85 decks838 decks
10%synergy
Deadly Dispute
10%inclusion83 decks838 decks
-2%synergy
Whisper of the Dross
9.3%inclusion78 decks838 decks
8%synergy
Succumb to Temptation
8.9%inclusion75 decks838 decks
9%synergy
Toxin Analysis
8.8%inclusion74 decks838 decks
9%synergy
Wretched Confluence
8.5%inclusion71 decks838 decks
8%synergy
Alchemist's Gift
5.7%inclusion48 decks838 decks
6%synergy
Fell the Profane
5.6%inclusion44 decks789 decks
-3%synergy
Rat Out
5.1%inclusion43 decks838 decks
5%synergy
Sorceries
Feed the Swarm
53%inclusion442 decks838 decks
37%synergy
Nighthaze
49%inclusion413 decks838 decks
49%synergy
Read the Bones
48%inclusion405 decks838 decks
43%synergy
Profane Command
41%inclusion346 decks838 decks
41%synergy
Night's Whisper
37%inclusion313 decks838 decks
28%synergy
Rise of the Dark Realms
36%inclusion305 decks838 decks
32%synergy
Diabolic Tutor
32%inclusion269 decks838 decks
27%synergy
Reanimate
30%inclusion251 decks838 decks
11%synergy
Cannibalize
21%inclusion180 decks838 decks
21%synergy
Victimize
20%inclusion168 decks838 decks
8%synergy
Beacon of Unrest
20%inclusion166 decks838 decks
19%synergy
Exsanguinate
18%inclusion152 decks838 decks
11%synergy
Bubbling Muck
11%inclusion94 decks838 decks
10%synergy
Ambition's Cost
11%inclusion90 decks838 decks
10%synergy
Mutilate
11%inclusion89 decks838 decks
9%synergy
Toxic Deluge
10%inclusion85 decks838 decks
-8%synergy
Peer into the Abyss
9.1%inclusion76 decks838 decks
7%synergy
Torment of Hailfire
8.7%inclusion73 decks838 decks
5%synergy
Fraying Omnipotence
8.6%inclusion72 decks838 decks
8%synergy
Dread Return
8.5%inclusion71 decks838 decks
3%synergy
Razaketh's Rite
8.4%inclusion70 decks838 decks
8%synergy
Ancient Craving
8.2%inclusion69 decks838 decks
8%synergy
Insatiable Avarice
8.0%inclusion67 decks838 decks
5%synergy
Syphon Mind
7.8%inclusion65 decks838 decks
5%synergy
Profane Tutor
5.5%inclusion46 decks838 decks
3%synergy
Damnation
5.5%inclusion46 decks838 decks
-1%synergy
Beseech the Queen
5.3%inclusion44 decks838 decks
4%synergy
Utility Artifacts
Distorting Lens
55%inclusion462 decks838 decks
55%synergy
Jet Medallion
50%inclusion421 decks838 decks
46%synergy
Staff of Nin
28%inclusion231 decks838 decks
27%synergy
Tower of Coireall
26%inclusion219 decks838 decks
26%synergy
The Darkness Crystal
24%inclusion101 decks428 decks
20%synergy
Mimic Vat
21%inclusion178 decks838 decks
20%synergy
Baton of Morale
21%inclusion173 decks838 decks
21%synergy
Hylda's Crown of Winter
19%inclusion163 decks838 decks
19%synergy
Wayfarer's Bauble
18%inclusion149 decks838 decks
10%synergy
Bontu's Monument
16%inclusion134 decks838 decks
14%synergy
Sacred Armory
15%inclusion126 decks838 decks
15%synergy
Mirage Mirror
15%inclusion125 decks838 decks
14%synergy
Profane Memento
14%inclusion120 decks838 decks
14%synergy
Veilstone Amulet
14%inclusion116 decks838 decks
14%synergy
Shadowspear
13%inclusion113 decks838 decks
10%synergy
Dingus Staff
11%inclusion93 decks838 decks
11%synergy
Jade Monolith
10%inclusion85 decks838 decks
10%synergy
Netherborn Altar
9.4%inclusion79 decks838 decks
9%synergy
The Fire Nation Drill
8.7%inclusion20 decks230 decks
8%synergy
Lightning Greaves
8.6%inclusion72 decks838 decks
-16%synergy
Belbe's Armor
8.1%inclusion68 decks838 decks
8%synergy
Eldrazi Monument
7.9%inclusion66 decks838 decks
7%synergy
Darksteel Garrison
7.8%inclusion65 decks838 decks
8%synergy
Expedition Map
7.8%inclusion65 decks838 decks
5%synergy
Swiftfoot Boots
7.5%inclusion63 decks838 decks
-20%synergy
Vat of Rebirth
6.8%inclusion57 decks838 decks
5%synergy
Helm of Chatzuk
6.4%inclusion54 decks838 decks
6%synergy
Icy Manipulator
6.1%inclusion51 decks838 decks
6%synergy
Nim Deathmantle
5.3%inclusion44 decks838 decks
5%synergy
Enchantments
Black Market
59%inclusion493 decks838 decks
55%synergy
Retreat to Hagra
58%inclusion490 decks838 decks
57%synergy
Nowhere to Run
44%inclusion336 decks756 decks
43%synergy
Revel in Riches
42%inclusion353 decks838 decks
39%synergy
Phyrexian Arena
42%inclusion349 decks838 decks
26%synergy
Grave Betrayal
42%inclusion348 decks838 decks
41%synergy
Phyrexian Reclamation
21%inclusion180 decks838 decks
18%synergy
Greed
17%inclusion140 decks838 decks
15%synergy
Shadows of the Past
15%inclusion127 decks838 decks
15%synergy
Unspeakable Symbol
15%inclusion123 decks838 decks
14%synergy
Gift of Doom
14%inclusion119 decks838 decks
14%synergy
Warlock Class
14%inclusion116 decks838 decks
13%synergy
Meathook Massacre II
13%inclusion92 decks699 decks
12%synergy
Animate Dead
13%inclusion110 decks838 decks
4%synergy
Oversold Cemetery
12%inclusion104 decks838 decks
10%synergy
Underworld Dreams
11%inclusion89 decks838 decks
8%synergy
Bastion of Remembrance
8.7%inclusion73 decks838 decks
2%synergy
Black Market Connections
8.6%inclusion72 decks838 decks
-3%synergy
The Meathook Massacre
8.0%inclusion67 decks838 decks
3%synergy
Virtue of Persistence
7.6%inclusion64 decks838 decks
6%synergy
Endless Whispers
6.2%inclusion52 decks838 decks
6%synergy
Palace Siege
6.1%inclusion51 decks838 decks
5%synergy
Painful Quandary
5.6%inclusion47 decks838 decks
3%synergy
Grave Pact
5.4%inclusion45 decks838 decks
1%synergy
Underworld Connections
5.0%inclusion42 decks838 decks
4%synergy
Planeswalkers
Liliana of the Dark Realms
19%inclusion156 decks838 decks
17%synergy
Liliana, the Last Hope
11%inclusion92 decks838 decks
11%synergy
Ob Nixilis, the Hate-Twisted
6.0%inclusion50 decks838 decks
5%synergy
Utility Lands
Desert
47%inclusion395 decks838 decks
47%synergy
Bojuka Bog
46%inclusion386 decks838 decks
16%synergy
Detection Tower
45%inclusion376 decks838 decks
44%synergy
Arcane Lighthouse
41%inclusion347 decks838 decks
40%synergy
Oasis
39%inclusion330 decks838 decks
39%synergy
Cabal Coffers
38%inclusion322 decks838 decks
29%synergy
Forge of Heroes
28%inclusion238 decks838 decks
28%synergy
Maze of Ith
27%inclusion228 decks838 decks
25%synergy
Urborg, Tomb of Yawgmoth
26%inclusion219 decks838 decks
17%synergy
Witch's Cottage
24%inclusion205 decks838 decks
21%synergy
Cabal Stronghold
22%inclusion186 decks838 decks
19%synergy
Reliquary Tower
20%inclusion169 decks838 decks
-10%synergy
Shizo, Death's Storehouse
19%inclusion156 decks838 decks
14%synergy
Mortuary Mire
16%inclusion131 decks838 decks
11%synergy
Rogue's Passage
14%inclusion120 decks838 decks
-6%synergy
Nykthos, Shrine to Nyx
14%inclusion117 decks838 decks
9%synergy
War Room
12%inclusion103 decks838 decks
7%synergy
Tower of the Magistrate
11%inclusion96 decks838 decks
11%synergy
Urborg
11%inclusion89 decks838 decks
10%synergy
Command Beacon
10%inclusion81 decks838 decks
5%synergy
Temple of the False God
10%inclusion80 decks838 decks
1%synergy
Ice Floe
9.3%inclusion78 decks838 decks
9%synergy
Sandstorm Verge
8.1%inclusion68 decks838 decks
8%synergy
Castle Locthwain
7.3%inclusion61 decks838 decks
4%synergy
Barren Moor
6.3%inclusion53 decks838 decks
3%synergy
Takenuma, Abandoned Mire
5.3%inclusion44 decks838 decks
-3%synergy
Mana Artifacts
Sol Ring
85%inclusion714 decks838 decks
2%synergy
Dimir Signet
75%inclusion3 decks4 decks
51%synergy
Liquimetal Torque
74%inclusion616 decks838 decks
71%synergy
Arcane Signet
64%inclusion535 decks838 decks
-8%synergy
Mind Stone
45%inclusion374 decks838 decks
30%synergy
Charcoal Diamond
41%inclusion347 decks838 decks
37%synergy
Bounty Board
25%inclusion211 decks838 decks
25%synergy
Thought Vessel
21%inclusion180 decks838 decks
4%synergy
Fellwar Stone
12%inclusion99 decks838 decks
-9%synergy
Caged Sun
11%inclusion92 decks838 decks
9%synergy
Everflowing Chalice
9.4%inclusion79 decks838 decks
5%synergy
Commander's Sphere
9.4%inclusion79 decks838 decks
-2%synergy
Bandit's Haul
8.9%inclusion75 decks838 decks
9%synergy
Prismatic Lens
8.1%inclusion68 decks838 decks
7%synergy
Hedron Archive
7.2%inclusion60 decks838 decks
5%synergy
Throne of Eldraine
6.7%inclusion56 decks838 decks
5%synergy
The Soul Stone
5.8%inclusion19 decks330 decks
2%synergy
Nyx Lotus
5.3%inclusion44 decks838 decks
4%synergy
Lands
Dimir Aqueduct
75%inclusion3 decks4 decks
61%synergy
Temple of Deceit
75%inclusion3 decks4 decks
61%synergy
Myriad Landscape
35%inclusion295 decks838 decks
20%synergy
Demolition Field
5.8%inclusion49 decks838 decks
3%synergy
Urza's Cave
5.5%inclusion45 decks817 decks
3%synergy