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 decks2.52K decks
Top Commanders
Horobi, Death's Wail
39%inclusion816 decks2.08K decks
Ayara, First of Locthwain
0.0%inclusion3 decks6.44K decks
Marrow-Gnawer
0.0%inclusion3 decks12.9K decks
Lord Skitter, Sewer King
0.3%inclusion2 decks737 decks
Vren, the Relentless
0.0%inclusion2 decks11.7K decks
Xira, the Golden Sting
0.0%inclusion1 decks2.86K decks
Rev, Tithe Extractor
0.0%inclusion1 decks3.61K 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 decks6.31K decks
Karumonix, the Rat King
0.0%inclusion1 decks6.36K decks
Mirko, Obsessive Theorist
0.0%inclusion1 decks9.23K decks
Shay Cormac
0.1%inclusion1 decks1.85K decks
King of the Oathbreakers
0.0%inclusion1 decks4.36K decks
Gisa, the Hellraiser
0.0%inclusion1 decks6K decks
New Cards
Big Apple, 3 a.m.
1.5%inclusion1 decks65 decks
1%synergy
Rat King, Pale Piper
1.5%inclusion1 decks65 decks
1%synergy
Shark Shredder, Killer Clone
0.9%inclusion1 decks116 decks
0%synergy
High Synergy Cards
Tetzimoc, Primal Death
89%inclusion748 decks837 decks
89%synergy
Mogis's Marauder
82%inclusion686 decks837 decks
82%synergy
Scuttlemutt
81%inclusion682 decks837 decks
81%synergy
Glaring Spotlight
75%inclusion625 decks837 decks
74%synergy
Harvester of Souls
75%inclusion631 decks837 decks
74%synergy
Tooth of Chiss-Goria
71%inclusion597 decks837 decks
71%synergy
Bloodthirsty Blade
71%inclusion595 decks837 decks
70%synergy
Scale of Chiss-Goria
69%inclusion578 decks837 decks
69%synergy
Cauldron of Souls
68%inclusion571 decks837 decks
68%synergy
Liquimetal Coating
68%inclusion571 decks837 decks
68%synergy
Top Cards
Blood Artist
75%inclusion626 decks837 decks
63%synergy
Morbid Opportunist
71%inclusion595 decks837 decks
63%synergy
Syr Konrad, the Grim
70%inclusion585 decks837 decks
62%synergy
Aphotic Wisps
65%inclusion547 decks837 decks
65%synergy
Retribution of the Ancients
65%inclusion546 decks837 decks
65%synergy
Squee's Toy
64%inclusion539 decks837 decks
64%synergy
Sangromancer
64%inclusion532 decks837 decks
62%synergy
Orc Sureshot
63%inclusion530 decks837 decks
63%synergy
Sign in Blood
63%inclusion524 decks837 decks
54%synergy
Gray Merchant of Asphodel
61%inclusion510 decks837 decks
52%synergy
Game Changers
Demonic Tutor
17%inclusion144 decks837 decks
-2%synergy
Orcish Bowmasters
15%inclusion122 decks837 decks
6%synergy
Vampiric Tutor
12%inclusion104 decks837 decks
-2%synergy
Bolas's Citadel
11%inclusion89 decks837 decks
3%synergy
Necropotence
6.3%inclusion53 decks837 decks
1%synergy
Creatures
Nefashu
61%inclusion507 decks837 decks
61%synergy
Gisa, Glorious Resurrector
59%inclusion491 decks837 decks
57%synergy
Falkenrath Noble
57%inclusion476 decks837 decks
55%synergy
Crypt Ghast
48%inclusion400 decks837 decks
43%synergy
Rathi Trapper
46%inclusion388 decks837 decks
46%synergy
Kaervek, the Punisher
46%inclusion388 decks837 decks
46%synergy
Dread Presence
45%inclusion380 decks837 decks
44%synergy
Massacre Wurm
43%inclusion364 decks837 decks
38%synergy
Hex Parasite
39%inclusion330 decks837 decks
39%synergy
Yahenni, Undying Partisan
38%inclusion317 decks837 decks
35%synergy
Vashta Nerada
35%inclusion291 decks837 decks
34%synergy
Inversion Behemoth
34%inclusion268 decks779 decks
34%synergy
Zulaport Cutthroat
32%inclusion265 decks837 decks
23%synergy
Solemn Simulacrum
31%inclusion261 decks837 decks
19%synergy
Kothophed, Soul Hoarder
28%inclusion238 decks837 decks
28%synergy
Caustic Crawler
28%inclusion231 decks837 decks
28%synergy
Sorceress Queen
27%inclusion223 decks837 decks
27%synergy
Persistent Constrictor
24%inclusion167 decks695 decks
23%synergy
Gisa, the Hellraiser
23%inclusion196 decks837 decks
22%synergy
Mortivore
22%inclusion188 decks837 decks
22%synergy
Sunset Saboteur
21%inclusion75 decks358 decks
21%synergy
Xenic Poltergeist
19%inclusion157 decks837 decks
19%synergy
Shambling Swarm
18%inclusion153 decks837 decks
18%synergy
Leaden Myr
17%inclusion142 decks837 decks
15%synergy
Dauthi Trapper
16%inclusion136 decks837 decks
16%synergy
Sepulchral Primordial
16%inclusion130 decks837 decks
14%synergy
Archpriest of Shadows
14%inclusion115 decks837 decks
13%synergy
High-Society Hunter
14%inclusion88 decks644 decks
13%synergy
Drana, Kalastria Bloodchief
13%inclusion110 decks837 decks
13%synergy
Drivnod, Carnage Dominus
13%inclusion107 decks837 decks
11%synergy
Vilis, Broker of Blood
12%inclusion104 decks837 decks
10%synergy
Scorn-Blade Berserker
12%inclusion98 decks837 decks
11%synergy
Vadmir, New Blood
11%inclusion96 decks837 decks
11%synergy
Barbed Servitor
11%inclusion92 decks837 decks
10%synergy
Abyssal Harvester
11%inclusion68 decks638 decks
9%synergy
Burnished Hart
10%inclusion87 decks837 decks
7%synergy
Fourth Bridge Prowler
9.4%inclusion79 decks837 decks
9%synergy
Dauthi Voidwalker
9.4%inclusion79 decks837 decks
3%synergy
Vincent Valentine
9.4%inclusion40 decks424 decks
8%synergy
Festering Mummy
9.3%inclusion78 decks837 decks
9%synergy
Soul of New Phyrexia
9.1%inclusion76 decks837 decks
9%synergy
Overseer of the Damned
8.8%inclusion74 decks837 decks
8%synergy
Bile-Vial Boggart
7.0%inclusion9 decks129 decks
7%synergy
K'rrik, Son of Yawgmoth
6.9%inclusion58 decks837 decks
5%synergy
Sheoldred, Whispering One
6.9%inclusion58 decks837 decks
3%synergy
Erebos, God of the Dead
6.8%inclusion57 decks837 decks
6%synergy
Deathgreeter
6.0%inclusion50 decks837 decks
5%synergy
Misery's Shadow
5.7%inclusion48 decks837 decks
6%synergy
Vein Ripper
5.7%inclusion48 decks837 decks
4%synergy
Fate Unraveler
5.5%inclusion46 decks837 decks
4%synergy
Instants
Tragic Slip
59%inclusion497 decks837 decks
56%synergy
Dark Ritual
58%inclusion488 decks837 decks
34%synergy
Defile
45%inclusion376 decks837 decks
42%synergy
Subtle Strike
38%inclusion317 decks837 decks
38%synergy
Slice from the Shadows
38%inclusion314 decks837 decks
37%synergy
Lose Hope
35%inclusion292 decks837 decks
35%synergy
Touch of Darkness
34%inclusion281 decks837 decks
34%synergy
Bladebrand
32%inclusion264 decks837 decks
31%synergy
Sugar Rush
28%inclusion236 decks837 decks
28%synergy
Withering Torment
25%inclusion173 decks696 decks
17%synergy
Disfigure
20%inclusion169 decks837 decks
20%synergy
Blood Pact
19%inclusion159 decks837 decks
18%synergy
Imp's Mischief
19%inclusion157 decks837 decks
15%synergy
Darkblast
18%inclusion154 decks837 decks
18%synergy
Thrilling Encore
17%inclusion144 decks837 decks
17%synergy
Consuming Corruption
15%inclusion119 decks786 decks
14%synergy
Black Sun's Twilight
15%inclusion126 decks837 decks
14%synergy
Stab
14%inclusion87 decks636 decks
13%synergy
Wail of the Nim
14%inclusion113 decks837 decks
13%synergy
Gravebind
13%inclusion105 decks837 decks
13%synergy
Rise of the Dread Marn
13%inclusion105 decks837 decks
12%synergy
Fated Return
12%inclusion104 decks837 decks
12%synergy
Sudden Spoiling
12%inclusion103 decks837 decks
11%synergy
Village Rites
12%inclusion98 decks837 decks
3%synergy
Fungal Infection
10%inclusion85 decks837 decks
10%synergy
Deadly Dispute
10%inclusion83 decks837 decks
-2%synergy
Whisper of the Dross
9.3%inclusion78 decks837 decks
8%synergy
Succumb to Temptation
9.0%inclusion75 decks837 decks
9%synergy
Toxin Analysis
8.8%inclusion74 decks837 decks
9%synergy
Wretched Confluence
8.5%inclusion71 decks837 decks
8%synergy
Alchemist's Gift
5.7%inclusion48 decks837 decks
6%synergy
Fell the Profane
5.6%inclusion44 decks788 decks
-3%synergy
Rat Out
5.1%inclusion43 decks837 decks
5%synergy
Sorceries
Feed the Swarm
53%inclusion441 decks837 decks
37%synergy
Nighthaze
49%inclusion412 decks837 decks
49%synergy
Read the Bones
48%inclusion404 decks837 decks
43%synergy
Profane Command
41%inclusion344 decks837 decks
40%synergy
Night's Whisper
37%inclusion311 decks837 decks
28%synergy
Rise of the Dark Realms
36%inclusion305 decks837 decks
32%synergy
Diabolic Tutor
32%inclusion269 decks837 decks
27%synergy
Reanimate
30%inclusion250 decks837 decks
11%synergy
Cannibalize
21%inclusion179 decks837 decks
21%synergy
Victimize
20%inclusion169 decks837 decks
8%synergy
Beacon of Unrest
20%inclusion166 decks837 decks
19%synergy
Exsanguinate
18%inclusion151 decks837 decks
11%synergy
Bubbling Muck
11%inclusion94 decks837 decks
10%synergy
Ambition's Cost
11%inclusion90 decks837 decks
10%synergy
Mutilate
11%inclusion89 decks837 decks
9%synergy
Toxic Deluge
10%inclusion85 decks837 decks
-8%synergy
Peer into the Abyss
9.0%inclusion75 decks837 decks
7%synergy
Torment of Hailfire
8.7%inclusion73 decks837 decks
5%synergy
Fraying Omnipotence
8.6%inclusion72 decks837 decks
8%synergy
Dread Return
8.5%inclusion71 decks837 decks
3%synergy
Razaketh's Rite
8.4%inclusion70 decks837 decks
8%synergy
Ancient Craving
8.2%inclusion69 decks837 decks
8%synergy
Insatiable Avarice
8.0%inclusion67 decks837 decks
5%synergy
Syphon Mind
7.8%inclusion65 decks837 decks
5%synergy
Profane Tutor
5.5%inclusion46 decks837 decks
3%synergy
Damnation
5.5%inclusion46 decks837 decks
-1%synergy
Beseech the Queen
5.3%inclusion44 decks837 decks
4%synergy
Utility Artifacts
Distorting Lens
55%inclusion462 decks837 decks
55%synergy
Jet Medallion
50%inclusion421 decks837 decks
47%synergy
Staff of Nin
27%inclusion230 decks837 decks
27%synergy
Tower of Coireall
26%inclusion219 decks837 decks
26%synergy
The Darkness Crystal
24%inclusion101 decks427 decks
20%synergy
Mimic Vat
21%inclusion177 decks837 decks
20%synergy
Baton of Morale
21%inclusion173 decks837 decks
21%synergy
Hylda's Crown of Winter
19%inclusion163 decks837 decks
19%synergy
Wayfarer's Bauble
18%inclusion149 decks837 decks
10%synergy
Bontu's Monument
16%inclusion134 decks837 decks
14%synergy
Sacred Armory
15%inclusion126 decks837 decks
15%synergy
Mirage Mirror
15%inclusion123 decks837 decks
13%synergy
Profane Memento
14%inclusion120 decks837 decks
14%synergy
Veilstone Amulet
14%inclusion117 decks837 decks
14%synergy
Shadowspear
14%inclusion113 decks837 decks
10%synergy
Dingus Staff
11%inclusion93 decks837 decks
11%synergy
Jade Monolith
10%inclusion85 decks837 decks
10%synergy
Netherborn Altar
9.3%inclusion78 decks837 decks
9%synergy
The Fire Nation Drill
8.7%inclusion20 decks229 decks
8%synergy
Lightning Greaves
8.6%inclusion72 decks837 decks
-16%synergy
Belbe's Armor
8.0%inclusion67 decks837 decks
8%synergy
Eldrazi Monument
7.9%inclusion66 decks837 decks
7%synergy
Darksteel Garrison
7.8%inclusion65 decks837 decks
8%synergy
Expedition Map
7.8%inclusion65 decks837 decks
5%synergy
Swiftfoot Boots
7.5%inclusion63 decks837 decks
-20%synergy
Vat of Rebirth
6.8%inclusion57 decks837 decks
5%synergy
Helm of Chatzuk
6.5%inclusion54 decks837 decks
6%synergy
Icy Manipulator
6.0%inclusion50 decks837 decks
6%synergy
Nim Deathmantle
5.3%inclusion44 decks837 decks
5%synergy
Enchantments
Black Market
59%inclusion493 decks837 decks
55%synergy
Retreat to Hagra
58%inclusion489 decks837 decks
57%synergy
Nowhere to Run
45%inclusion336 decks755 decks
43%synergy
Revel in Riches
42%inclusion352 decks837 decks
39%synergy
Phyrexian Arena
42%inclusion349 decks837 decks
26%synergy
Grave Betrayal
42%inclusion348 decks837 decks
41%synergy
Phyrexian Reclamation
22%inclusion180 decks837 decks
18%synergy
Greed
17%inclusion140 decks837 decks
15%synergy
Shadows of the Past
15%inclusion127 decks837 decks
15%synergy
Unspeakable Symbol
15%inclusion123 decks837 decks
14%synergy
Gift of Doom
14%inclusion120 decks837 decks
14%synergy
Warlock Class
14%inclusion116 decks837 decks
13%synergy
Meathook Massacre II
13%inclusion93 decks698 decks
12%synergy
Animate Dead
13%inclusion110 decks837 decks
4%synergy
Oversold Cemetery
12%inclusion104 decks837 decks
10%synergy
Underworld Dreams
11%inclusion88 decks837 decks
8%synergy
Bastion of Remembrance
8.6%inclusion72 decks837 decks
2%synergy
Black Market Connections
8.5%inclusion71 decks837 decks
-4%synergy
The Meathook Massacre
8.0%inclusion67 decks837 decks
3%synergy
Virtue of Persistence
7.6%inclusion64 decks837 decks
6%synergy
Endless Whispers
6.2%inclusion52 decks837 decks
6%synergy
Palace Siege
6.1%inclusion51 decks837 decks
5%synergy
Painful Quandary
5.7%inclusion48 decks837 decks
3%synergy
Grave Pact
5.4%inclusion45 decks837 decks
1%synergy
Underworld Connections
5.0%inclusion42 decks837 decks
4%synergy
Planeswalkers
Liliana of the Dark Realms
19%inclusion156 decks837 decks
17%synergy
Liliana, the Last Hope
11%inclusion93 decks837 decks
11%synergy
Ob Nixilis, the Hate-Twisted
6.0%inclusion50 decks837 decks
5%synergy
Utility Lands
Desert
47%inclusion395 decks837 decks
47%synergy
Bojuka Bog
46%inclusion386 decks837 decks
17%synergy
Detection Tower
45%inclusion376 decks837 decks
44%synergy
Arcane Lighthouse
41%inclusion346 decks837 decks
40%synergy
Oasis
40%inclusion331 decks837 decks
40%synergy
Cabal Coffers
38%inclusion321 decks837 decks
29%synergy
Forge of Heroes
29%inclusion239 decks837 decks
28%synergy
Maze of Ith
27%inclusion228 decks837 decks
25%synergy
Urborg, Tomb of Yawgmoth
26%inclusion220 decks837 decks
17%synergy
Witch's Cottage
25%inclusion206 decks837 decks
21%synergy
Cabal Stronghold
22%inclusion186 decks837 decks
19%synergy
Reliquary Tower
20%inclusion170 decks837 decks
-9%synergy
Shizo, Death's Storehouse
19%inclusion156 decks837 decks
14%synergy
Mortuary Mire
16%inclusion132 decks837 decks
12%synergy
Rogue's Passage
14%inclusion120 decks837 decks
-6%synergy
Nykthos, Shrine to Nyx
14%inclusion118 decks837 decks
9%synergy
War Room
12%inclusion104 decks837 decks
7%synergy
Tower of the Magistrate
11%inclusion96 decks837 decks
11%synergy
Urborg
11%inclusion89 decks837 decks
10%synergy
Command Beacon
10%inclusion82 decks837 decks
5%synergy
Temple of the False God
10%inclusion80 decks837 decks
1%synergy
Ice Floe
9.3%inclusion78 decks837 decks
9%synergy
Sandstorm Verge
8.1%inclusion68 decks837 decks
8%synergy
Castle Locthwain
7.3%inclusion61 decks837 decks
4%synergy
Barren Moor
6.3%inclusion53 decks837 decks
3%synergy
Takenuma, Abandoned Mire
5.3%inclusion44 decks837 decks
-3%synergy
Mana Artifacts
Sol Ring
85%inclusion713 decks837 decks
2%synergy
Dimir Signet
75%inclusion3 decks4 decks
51%synergy
Liquimetal Torque
74%inclusion616 decks837 decks
71%synergy
Arcane Signet
64%inclusion535 decks837 decks
-8%synergy
Mind Stone
45%inclusion374 decks837 decks
30%synergy
Charcoal Diamond
41%inclusion347 decks837 decks
37%synergy
Bounty Board
25%inclusion210 decks837 decks
25%synergy
Thought Vessel
22%inclusion181 decks837 decks
4%synergy
Fellwar Stone
12%inclusion99 decks837 decks
-9%synergy
Caged Sun
11%inclusion92 decks837 decks
9%synergy
Commander's Sphere
9.4%inclusion79 decks837 decks
-2%synergy
Everflowing Chalice
9.3%inclusion78 decks837 decks
5%synergy
Bandit's Haul
8.8%inclusion74 decks837 decks
9%synergy
Prismatic Lens
8.1%inclusion68 decks837 decks
7%synergy
Hedron Archive
7.2%inclusion60 decks837 decks
5%synergy
Throne of Eldraine
6.8%inclusion57 decks837 decks
5%synergy
The Soul Stone
5.8%inclusion19 decks329 decks
2%synergy
Nyx Lotus
5.3%inclusion44 decks837 decks
4%synergy
Lands
Dimir Aqueduct
75%inclusion3 decks4 decks
61%synergy
Temple of Deceit
75%inclusion3 decks4 decks
61%synergy
Myriad Landscape
35%inclusion294 decks837 decks
20%synergy
Demolition Field
5.9%inclusion49 decks837 decks
3%synergy
Urza's Cave
5.5%inclusion45 decks816 decks
3%synergy