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?
Lock
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
Horobi, Death's Wail
40%inclusion777 decks1.94K decks
Marrow-Gnawer
0.0%inclusion3 decks11.8K decks
Lord Skitter, Sewer King
0.3%inclusion2 decks710 decks
Vren, the Relentless
0.0%inclusion2 decks10K decks
Xira, the Golden Sting
0.0%inclusion1 decks2.71K decks
Rev, Tithe Extractor
0.0%inclusion1 decks3.17K decks
Elas il-Kor, Sadistic Pilgrim
0.0%inclusion1 decks7.38K decks
Erebos, God of the Dead
0.1%inclusion1 decks1.44K decks
Evelyn, the Covetous
0.0%inclusion1 decks3.84K decks
Sorin of House Markov
0.0%inclusion1 decks5.65K decks
Karumonix, the Rat King
0.0%inclusion1 decks5.81K decks
Shay Cormac
0.1%inclusion1 decks1.62K decks
Ayara, First of Locthwain
0.0%inclusion1 decks6.06K decks
King of the Oathbreakers
0.0%inclusion1 decks4K decks
Gisa, the Hellraiser
0.0%inclusion1 decks5.46K decks
New Cards
The Fire Nation Drill
7.0%inclusion8 decks114 decks
6%synergy
The Walls of Ba Sing Se
5.1%inclusion5 decks99 decks
3%synergy
Fire Nation Sentinels
5.0%inclusion10 decks202 decks
5%synergy
Azula Always Lies
4.5%inclusion9 decks202 decks
4%synergy
Koh, the Face Stealer
4.3%inclusion4 decks93 decks
4%synergy
High Synergy Cards
Tetzimoc, Primal Death
89%inclusion711 decks795 decks
89%synergy
Mogis's Marauder
83%inclusion656 decks795 decks
82%synergy
Scuttlemutt
82%inclusion649 decks795 decks
81%synergy
Glaring Spotlight
75%inclusion597 decks795 decks
75%synergy
Harvester of Souls
76%inclusion602 decks795 decks
74%synergy
Tooth of Chiss-Goria
71%inclusion564 decks795 decks
71%synergy
Bloodthirsty Blade
70%inclusion558 decks795 decks
69%synergy
Scale of Chiss-Goria
69%inclusion552 decks795 decks
69%synergy
Cauldron of Souls
69%inclusion549 decks795 decks
69%synergy
Liquimetal Coating
68%inclusion540 decks795 decks
67%synergy
Top Cards
Blood Artist
75%inclusion594 decks795 decks
63%synergy
Morbid Opportunist
69%inclusion552 decks795 decks
62%synergy
Syr Konrad, the Grim
69%inclusion552 decks795 decks
61%synergy
Aphotic Wisps
66%inclusion527 decks795 decks
66%synergy
Retribution of the Ancients
65%inclusion515 decks795 decks
64%synergy
Squee's Toy
64%inclusion510 decks795 decks
64%synergy
Sangromancer
63%inclusion502 decks795 decks
61%synergy
Orc Sureshot
63%inclusion501 decks795 decks
63%synergy
Sign in Blood
63%inclusion501 decks795 decks
54%synergy
Nefashu
61%inclusion482 decks795 decks
61%synergy
Game Changers
Demonic Tutor
17%inclusion133 decks795 decks
-3%synergy
Orcish Bowmasters
14%inclusion115 decks795 decks
6%synergy
Vampiric Tutor
12%inclusion95 decks795 decks
-3%synergy
Bolas's Citadel
10%inclusion83 decks795 decks
2%synergy
Necropotence
6.5%inclusion52 decks795 decks
1%synergy
Creatures
Gray Merchant of Asphodel
61%inclusion481 decks795 decks
52%synergy
Gisa, Glorious Resurrector
60%inclusion475 decks795 decks
58%synergy
Falkenrath Noble
57%inclusion455 decks795 decks
55%synergy
Crypt Ghast
47%inclusion375 decks795 decks
42%synergy
Rathi Trapper
47%inclusion374 decks795 decks
47%synergy
Kaervek, the Punisher
46%inclusion341 decks739 decks
46%synergy
Dread Presence
44%inclusion353 decks795 decks
43%synergy
Massacre Wurm
44%inclusion351 decks795 decks
39%synergy
Hex Parasite
39%inclusion308 decks795 decks
38%synergy
Vashta Nerada
37%inclusion291 decks795 decks
36%synergy
Yahenni, Undying Partisan
36%inclusion288 decks795 decks
33%synergy
Inversion Behemoth
33%inclusion222 decks678 decks
33%synergy
Zulaport Cutthroat
32%inclusion258 decks795 decks
24%synergy
Solemn Simulacrum
32%inclusion255 decks795 decks
19%synergy
Kothophed, Soul Hoarder
31%inclusion246 decks795 decks
31%synergy
Caustic Crawler
29%inclusion230 decks795 decks
29%synergy
Sorceress Queen
26%inclusion207 decks795 decks
26%synergy
Persistent Constrictor
26%inclusion152 decks593 decks
24%synergy
Gisa, the Hellraiser
24%inclusion176 decks743 decks
23%synergy
Sunset Saboteur
23%inclusion57 decks248 decks
23%synergy
Mortivore
22%inclusion174 decks795 decks
21%synergy
Xenic Poltergeist
21%inclusion164 decks795 decks
21%synergy
Shambling Swarm
19%inclusion153 decks795 decks
19%synergy
Dauthi Trapper
17%inclusion136 decks795 decks
17%synergy
Leaden Myr
17%inclusion133 decks795 decks
15%synergy
Sepulchral Primordial
16%inclusion130 decks795 decks
15%synergy
Archpriest of Shadows
15%inclusion122 decks795 decks
14%synergy
Drivnod, Carnage Dominus
14%inclusion115 decks795 decks
12%synergy
Drana, Kalastria Bloodchief
14%inclusion114 decks795 decks
14%synergy
High-Society Hunter
13%inclusion72 decks540 decks
12%synergy
Scorn-Blade Berserker
13%inclusion103 decks795 decks
13%synergy
Vilis, Broker of Blood
13%inclusion101 decks795 decks
10%synergy
Vadmir, New Blood
12%inclusion90 decks738 decks
12%synergy
Abyssal Harvester
12%inclusion64 decks534 decks
11%synergy
Burnished Hart
11%inclusion87 decks795 decks
8%synergy
Barbed Servitor
11%inclusion83 decks783 decks
10%synergy
Fourth Bridge Prowler
11%inclusion84 decks795 decks
10%synergy
Festering Mummy
10%inclusion80 decks795 decks
10%synergy
Vincent Valentine
10%inclusion31 decks314 decks
9%synergy
Overseer of the Damned
10%inclusion76 decks795 decks
8%synergy
Soul of New Phyrexia
9.4%inclusion75 decks795 decks
9%synergy
Dauthi Voidwalker
8.6%inclusion68 decks795 decks
2%synergy
Sheoldred, Whispering One
7.2%inclusion57 decks795 decks
3%synergy
Erebos, God of the Dead
6.7%inclusion53 decks795 decks
5%synergy
K'rrik, Son of Yawgmoth
6.4%inclusion51 decks795 decks
4%synergy
Misery's Shadow
6.3%inclusion50 decks795 decks
6%synergy
Vein Ripper
6.1%inclusion48 decks784 decks
5%synergy
Deathgreeter
6.0%inclusion48 decks795 decks
5%synergy
Virtus the Veiled
5.7%inclusion45 decks795 decks
5%synergy
Fate Unraveler
5.5%inclusion44 decks795 decks
4%synergy
Instants
Tragic Slip
60%inclusion475 decks795 decks
56%synergy
Dark Ritual
58%inclusion458 decks795 decks
33%synergy
Defile
45%inclusion354 decks795 decks
41%synergy
Subtle Strike
39%inclusion310 decks795 decks
39%synergy
Slice from the Shadows
38%inclusion298 decks779 decks
38%synergy
Lose Hope
35%inclusion277 decks795 decks
35%synergy
Touch of Darkness
32%inclusion255 decks795 decks
32%synergy
Bladebrand
31%inclusion248 decks795 decks
31%synergy
Sugar Rush
30%inclusion238 decks795 decks
30%synergy
Withering Torment
26%inclusion153 decks594 decks
18%synergy
Blood Pact
21%inclusion169 decks795 decks
20%synergy
Disfigure
21%inclusion163 decks795 decks
20%synergy
Darkblast
19%inclusion148 decks795 decks
18%synergy
Black Sun's Twilight
17%inclusion139 decks795 decks
17%synergy
Thrilling Encore
17%inclusion138 decks795 decks
17%synergy
Imp's Mischief
17%inclusion136 decks795 decks
13%synergy
Consuming Corruption
16%inclusion111 decks685 decks
15%synergy
Stab
14%inclusion77 decks532 decks
14%synergy
Wail of the Nim
14%inclusion110 decks795 decks
14%synergy
Sudden Spoiling
13%inclusion106 decks795 decks
12%synergy
Rise of the Dread Marn
13%inclusion103 decks795 decks
12%synergy
Gravebind
13%inclusion101 decks795 decks
13%synergy
Fated Return
12%inclusion98 decks795 decks
12%synergy
Village Rites
12%inclusion94 decks795 decks
2%synergy
Fungal Infection
11%inclusion87 decks795 decks
11%synergy
Whisper of the Dross
10%inclusion83 decks795 decks
10%synergy
Succumb to Temptation
10%inclusion76 decks795 decks
9%synergy
Wretched Confluence
9.1%inclusion72 decks795 decks
9%synergy
Deadly Dispute
9.1%inclusion72 decks795 decks
-3%synergy
Toxin Analysis
8.8%inclusion69 decks780 decks
9%synergy
Rat Out
5.8%inclusion46 decks795 decks
6%synergy
Fell the Profane
5.7%inclusion39 decks687 decks
-3%synergy
Alchemist's Gift
5.7%inclusion45 decks795 decks
6%synergy
Grim Harvest
5.5%inclusion44 decks795 decks
5%synergy
Corrupted Conviction
5.5%inclusion44 decks795 decks
1%synergy
Sorceries
Feed the Swarm
52%inclusion414 decks795 decks
36%synergy
Read the Bones
49%inclusion388 decks795 decks
43%synergy
Nighthaze
48%inclusion385 decks795 decks
48%synergy
Profane Command
41%inclusion329 decks795 decks
41%synergy
Night's Whisper
37%inclusion296 decks795 decks
28%synergy
Rise of the Dark Realms
34%inclusion269 decks795 decks
29%synergy
Diabolic Tutor
32%inclusion254 decks795 decks
26%synergy
Reanimate
29%inclusion230 decks795 decks
10%synergy
Beacon of Unrest
22%inclusion173 decks795 decks
21%synergy
Cannibalize
21%inclusion166 decks795 decks
21%synergy
Victimize
19%inclusion155 decks795 decks
7%synergy
Exsanguinate
17%inclusion139 decks795 decks
11%synergy
Bubbling Muck
11%inclusion91 decks795 decks
10%synergy
Ambition's Cost
11%inclusion89 decks795 decks
10%synergy
Mutilate
11%inclusion89 decks795 decks
10%synergy
Toxic Deluge
10%inclusion82 decks795 decks
-8%synergy
Fraying Omnipotence
9.4%inclusion75 decks795 decks
9%synergy
Peer into the Abyss
9.1%inclusion72 decks795 decks
7%synergy
Insatiable Avarice
8.9%inclusion66 decks740 decks
6%synergy
Razaketh's Rite
8.7%inclusion69 decks795 decks
8%synergy
Ancient Craving
8.7%inclusion69 decks795 decks
8%synergy
Torment of Hailfire
8.7%inclusion69 decks795 decks
4%synergy
Dread Return
8.3%inclusion66 decks795 decks
3%synergy
Syphon Mind
8.2%inclusion65 decks795 decks
5%synergy
Profane Tutor
5.9%inclusion47 decks795 decks
4%synergy
Beseech the Queen
5.4%inclusion43 decks795 decks
4%synergy
Damnation
5.4%inclusion43 decks795 decks
-1%synergy
Utility Artifacts
Distorting Lens
55%inclusion437 decks795 decks
55%synergy
Jet Medallion
48%inclusion385 decks795 decks
45%synergy
Staff of Nin
27%inclusion217 decks795 decks
27%synergy
The Darkness Crystal
25%inclusion80 decks317 decks
22%synergy
Tower of Coireall
25%inclusion198 decks795 decks
25%synergy
Mimic Vat
22%inclusion176 decks795 decks
21%synergy
Hylda's Crown of Winter
21%inclusion164 decks795 decks
20%synergy
Baton of Morale
20%inclusion161 decks795 decks
20%synergy
Wayfarer's Bauble
19%inclusion148 decks795 decks
11%synergy
Bontu's Monument
16%inclusion125 decks795 decks
14%synergy
Sacred Armory
16%inclusion124 decks795 decks
16%synergy
Profane Memento
14%inclusion115 decks795 decks
14%synergy
Shadowspear
14%inclusion112 decks795 decks
11%synergy
Veilstone Amulet
14%inclusion111 decks795 decks
14%synergy
Mirage Mirror
14%inclusion111 decks795 decks
13%synergy
Dingus Staff
12%inclusion95 decks795 decks
12%synergy
Netherborn Altar
10%inclusion83 decks795 decks
10%synergy
Jade Monolith
10%inclusion77 decks795 decks
10%synergy
Darksteel Garrison
8.6%inclusion68 decks795 decks
9%synergy
Belbe's Armor
8.3%inclusion66 decks795 decks
8%synergy
Lightning Greaves
8.1%inclusion64 decks795 decks
-17%synergy
Eldrazi Monument
7.3%inclusion58 decks795 decks
6%synergy
Vat of Rebirth
7.2%inclusion57 decks795 decks
6%synergy
Expedition Map
7.0%inclusion56 decks795 decks
4%synergy
Swiftfoot Boots
7.0%inclusion56 decks795 decks
-20%synergy
Helm of Chatzuk
6.3%inclusion50 decks795 decks
6%synergy
Icy Manipulator
6.2%inclusion49 decks795 decks
6%synergy
Nim Deathmantle
5.0%inclusion40 decks795 decks
5%synergy
Enchantments
Retreat to Hagra
59%inclusion468 decks795 decks
58%synergy
Black Market
58%inclusion465 decks795 decks
54%synergy
Nowhere to Run
44%inclusion289 decks654 decks
43%synergy
Revel in Riches
42%inclusion337 decks795 decks
39%synergy
Phyrexian Arena
42%inclusion334 decks795 decks
26%synergy
Grave Betrayal
41%inclusion329 decks795 decks
41%synergy
Phyrexian Reclamation
23%inclusion183 decks795 decks
20%synergy
Greed
16%inclusion131 decks795 decks
15%synergy
Shadows of the Past
16%inclusion127 decks795 decks
16%synergy
Unspeakable Symbol
14%inclusion115 decks795 decks
14%synergy
Gift of Doom
14%inclusion115 decks795 decks
14%synergy
Warlock Class
14%inclusion110 decks795 decks
13%synergy
Animate Dead
13%inclusion106 decks795 decks
4%synergy
Oversold Cemetery
13%inclusion104 decks795 decks
11%synergy
Meathook Massacre II
13%inclusion76 decks596 decks
11%synergy
Underworld Dreams
11%inclusion85 decks795 decks
8%synergy
Black Market Connections
9.2%inclusion73 decks795 decks
-3%synergy
Bastion of Remembrance
8.6%inclusion68 decks795 decks
2%synergy
Virtue of Persistence
7.9%inclusion63 decks795 decks
6%synergy
The Meathook Massacre
7.5%inclusion60 decks795 decks
2%synergy
Palace Siege
6.7%inclusion53 decks795 decks
6%synergy
Endless Whispers
6.2%inclusion49 decks795 decks
6%synergy
Underworld Connections
5.7%inclusion45 decks795 decks
5%synergy
Dauthi Embrace
5.4%inclusion43 decks795 decks
5%synergy
Painful Quandary
5.3%inclusion42 decks795 decks
3%synergy
Bloodchief Ascension
5.0%inclusion40 decks795 decks
1%synergy
Planeswalkers
Liliana of the Dark Realms
18%inclusion141 decks795 decks
16%synergy
Liliana, the Last Hope
11%inclusion88 decks795 decks
11%synergy
Ob Nixilis, the Hate-Twisted
6.2%inclusion49 decks795 decks
5%synergy
Sorin Markov
5.7%inclusion45 decks795 decks
5%synergy
Utility Lands
Vault of the Archangel
75%inclusion3 decks4 decks
63%synergy
Desert
49%inclusion386 decks795 decks
48%synergy
Bojuka Bog
47%inclusion370 decks795 decks
17%synergy
Detection Tower
45%inclusion361 decks795 decks
45%synergy
Arcane Lighthouse
41%inclusion325 decks795 decks
40%synergy
Oasis
39%inclusion314 decks795 decks
39%synergy
Cabal Coffers
39%inclusion308 decks795 decks
29%synergy
Forge of Heroes
31%inclusion243 decks795 decks
30%synergy
Maze of Ith
27%inclusion213 decks795 decks
24%synergy
Urborg, Tomb of Yawgmoth
27%inclusion212 decks795 decks
18%synergy
Witch's Cottage
24%inclusion187 decks795 decks
20%synergy
Cabal Stronghold
23%inclusion182 decks795 decks
20%synergy
Reliquary Tower
19%inclusion154 decks795 decks
-11%synergy
Shizo, Death's Storehouse
18%inclusion143 decks795 decks
13%synergy
Mortuary Mire
16%inclusion127 decks795 decks
12%synergy
Rogue's Passage
16%inclusion124 decks795 decks
-5%synergy
Nykthos, Shrine to Nyx
14%inclusion110 decks795 decks
8%synergy
War Room
13%inclusion102 decks795 decks
7%synergy
Tower of the Magistrate
11%inclusion88 decks795 decks
11%synergy
Urborg
11%inclusion86 decks795 decks
11%synergy
Command Beacon
10%inclusion77 decks795 decks
5%synergy
Ice Floe
9.4%inclusion75 decks795 decks
9%synergy
Temple of the False God
9.1%inclusion72 decks795 decks
0%synergy
Sandstorm Verge
8.4%inclusion62 decks738 decks
8%synergy
Castle Locthwain
7.3%inclusion58 decks795 decks
3%synergy
Barren Moor
6.8%inclusion54 decks795 decks
4%synergy
Takenuma, Abandoned Mire
5.2%inclusion41 decks795 decks
-4%synergy
Mana Artifacts
Sol Ring
85%inclusion675 decks795 decks
1%synergy
Liquimetal Torque
75%inclusion597 decks795 decks
72%synergy
Arcane Signet
63%inclusion501 decks795 decks
-9%synergy
Mind Stone
47%inclusion371 decks795 decks
32%synergy
Charcoal Diamond
41%inclusion326 decks795 decks
37%synergy
Bounty Board
26%inclusion191 decks737 decks
26%synergy
Thought Vessel
22%inclusion172 decks795 decks
4%synergy
Fellwar Stone
12%inclusion95 decks795 decks
-9%synergy
Caged Sun
10%inclusion83 decks795 decks
9%synergy
Commander's Sphere
10%inclusion78 decks795 decks
-3%synergy
Everflowing Chalice
9.3%inclusion74 decks795 decks
5%synergy
Bandit's Haul
8.7%inclusion64 decks738 decks
8%synergy
Throne of Eldraine
7.7%inclusion61 decks795 decks
6%synergy
Hedron Archive
7.4%inclusion59 decks795 decks
5%synergy
Prismatic Lens
7.2%inclusion57 decks795 decks
6%synergy
The Soul Stone
5.5%inclusion12 decks218 decks
1%synergy
Nyx Lotus
5.4%inclusion43 decks795 decks
4%synergy
Séance Board
5.2%inclusion31 decks593 decks
5%synergy
Lands
Scoured Barrens
75%inclusion3 decks4 decks
66%synergy
Shineshadow Snarl
75%inclusion3 decks4 decks
63%synergy
Tainted Field
75%inclusion3 decks4 decks
62%synergy
Orzhov Basilica
75%inclusion3 decks4 decks
60%synergy
Temple of Silence
75%inclusion3 decks4 decks
57%synergy
Caves of Koilos
75%inclusion3 decks4 decks
46%synergy
Isolated Chapel
75%inclusion3 decks4 decks
42%synergy
Myriad Landscape
35%inclusion278 decks795 decks
19%synergy
Demolition Field
5.8%inclusion46 decks795 decks
3%synergy
Urza's Cave
5.4%inclusion39 decks716 decks
3%synergy