Scourge of the Skyclaves + Archfiend of Despair

Scourge of the Skyclaves
Archfiend of Despair

Requires
Scourge of the Skyclaves must be in hand. Archfiend of Despair must be on the battlefield. 5 Mana needed:
Steps
  1. Cast Scourge of the Skyclaves kicked for 5.
  2. When it enters the battlefield, each player loses half of their life, rounded up.
  3. At the beginning of the end step Archfiend of Despair triggers, causing each opponent to lose the other half of their life.
Results
Infinite lifeloss.

Blitzwing, Cruel Tormentor
35.96% of 228 decks 82 decks
Gorm the Great // Virtus the Veiled
4.95% of 747 decks 37 decks
Astarion, the Decadent
2.69% of 3123 decks 84 decks
Be'lakor, the Dark Master
2.35% of 11026 decks 259 decks
Rakdos, Lord of Riots
1.44% of 7007 decks 101 decks
Kaalia of the Vast
0.44% of 18765 decks 82 decks
New Cards
Unstoppable Slasher
75% of 4 decks +69% synergy
Demonic Counsel
60% of 15 decks +55% synergy
Valgavoth, Harrower of Souls
50% of 8 decks +48% synergy
Valgavoth, Terror Eater
47% of 15 decks +38% synergy
Patchwork Banner
23% of 35 decks +7% synergy
High Synergy Cards
Bloodletter of Aclazotz
80% of 553 decks +78% synergy
Aurelia, the Warleader
78% of 85 decks +76% synergy
Rakdos, Patron of Chaos
74% of 209 decks +73% synergy
Gisela, Blade of Goldnight
73% of 85 decks +72% synergy
Herald of Slaanesh
67% of 523 decks +66% synergy
Top Cards
Swords to Plowshares
67% of 218 decks +38% synergy
Cultivate
59% of 63 decks +37% synergy
Bloodthirster
56% of 523 decks +55% synergy
Revitalizing Repast
56% of 9 decks +53% synergy
Dark Ritual
54% of 1064 decks +43% synergy
Anguished Unmaking
53% of 218 decks +48% synergy
Kodama's Reach
52% of 63 decks +37% synergy
Rampant Growth
52% of 63 decks +36% synergy
Beast Within
52% of 63 decks +34% synergy
Kaalia, Zenith Seeker
51% of 85 decks +50% synergy
Creatures
Midnight Pathlighter
60% of 5 decks +60% synergy
Kardur, Doomscourge
49% of 564 decks +48% synergy
Rakdos, the Showstopper
48% of 564 decks +48% synergy
Lord Xander, the Collector
47% of 273 decks +47% synergy
Lord of Change
45% of 287 decks +44% synergy
Rakdos, Lord of Riots
43% of 564 decks +42% synergy
Rune-Scarred Demon
43% of 1064 decks +42% synergy
Guardian Augmenter
42% of 62 decks +41% synergy
Master of Cruelties
41% of 564 decks +41% synergy
Archfiend of Depravity
40% of 1064 decks +39% synergy
Exalted Flamer of Tzeentch
40% of 267 decks +39% synergy
Vilis, Broker of Blood
39% of 1064 decks +38% synergy
Ochran Assassin
38% of 63 decks +38% synergy
Varragoth, Bloodsky Sire
37% of 1060 decks +36% synergy
Balor
37% of 550 decks +37% synergy
Isshin, Two Heavens as One
37% of 82 decks +36% synergy
Sower of Discord
36% of 1064 decks +36% synergy
Raphael, Fiendish Savior
35% of 550 decks +35% synergy
Taunting Elf
33% of 63 decks +33% synergy
Gyruda, Doom of Depths
33% of 298 decks +32% synergy
Ob Nixilis, Unshackled
32% of 1064 decks +31% synergy
Bloodcrusher of Khorne
32% of 523 decks +32% synergy
Glissa Sunslayer
32% of 44 decks +31% synergy
Ohran Frostfang
32% of 63 decks +29% synergy
Avacyn, Angel of Hope
31% of 218 decks +29% synergy
Avacyn's Pilgrim
30% of 10 decks +27% synergy
Gray Merchant of Asphodel
29% of 1064 decks +25% synergy
Burning-Rune Demon
29% of 1060 decks +28% synergy
Harvester of Souls
29% of 1064 decks +28% synergy
Kambal, Consul of Allocation
29% of 218 decks +28% synergy
Plague Drone
28% of 936 decks +28% synergy
Orcus, Prince of Undeath
28% of 562 decks +28% synergy
Saryth, the Viper's Fang
28% of 61 decks +26% synergy
Razaketh, the Foulblooded
28% of 1064 decks +27% synergy
Crypt Ghast
28% of 1064 decks +25% synergy
Drana and Linvala
27% of 147 decks +26% synergy
Poison-Tip Archer
27% of 63 decks +26% synergy
Esper Sentinel
26% of 216 decks +17% synergy
Aurelia, the Law Above
26% of 27 decks +24% synergy
Spark Double
26% of 298 decks +22% synergy
Bloodgift Demon
26% of 1064 decks +25% synergy
Shinen of Life's Roar
25% of 63 decks +25% synergy
Leyline Prowler
25% of 63 decks +25% synergy
Llanowar Elves
25% of 63 decks +15% synergy
Great Unclean One
25% of 936 decks +24% synergy
Thassa, Deep-Dwelling
24% of 298 decks +23% synergy
Chaos Defiler
24% of 523 decks +23% synergy
Prince of Thralls
23% of 273 decks +23% synergy
Fynn, the Fangbearer
23% of 62 decks +22% synergy
Toski, Bearer of Secrets
23% of 62 decks +19% synergy
Instants
Assassin's Trophy
49% of 63 decks +43% synergy
Path to Exile
48% of 218 decks +27% synergy
Teferi's Protection
44% of 218 decks +34% synergy
Chaos Warp
43% of 564 decks +27% synergy
Counterspell
40% of 298 decks +19% synergy
Golgari Charm
40% of 63 decks +38% synergy
Cyclonic Rift
40% of 298 decks +26% synergy
Boros Charm
39% of 85 decks +33% synergy
Ghostly Flicker
37% of 298 decks +35% synergy
Heroic Intervention
33% of 63 decks +20% synergy
Tamiyo's Safekeeping
32% of 59 decks +29% synergy
Bedevil
31% of 564 decks +27% synergy
Rakdos Charm
30% of 564 decks +27% synergy
Vampiric Tutor
30% of 1064 decks +20% synergy
Terminate
29% of 564 decks +24% synergy
Enlightened Tutor
27% of 218 decks +18% synergy
Brainstorm
26% of 298 decks +15% synergy
Obscuring Haze
25% of 63 decks +25% synergy
Mana Drain
24% of 298 decks +17% synergy
Putrefy
24% of 63 decks +20% synergy
Essence Flux
23% of 298 decks +22% synergy
Crackling Doom
22% of 85 decks +21% synergy
Flare of Fortitude
22% of 32 decks +19% synergy
Displace
21% of 298 decks +20% synergy
Fierce Guardianship
21% of 298 decks +12% synergy
Deadly Rollick
21% of 1064 decks +16% synergy
Arcane Denial
20% of 298 decks +11% synergy
Tear Asunder
20% of 54 decks +19% synergy
Beacon of Immortality
20% of 218 decks +20% synergy
Fell the Profane
20% of 150 decks +13% synergy
Deflecting Swat
20% of 564 decks +12% synergy
Blood for the Blood God!
19% of 523 decks +18% synergy
Mortify
19% of 218 decks +16% synergy
Malakir Rebirth
18% of 1064 decks +14% synergy
An Offer You Can't Refuse
17% of 295 decks +7% synergy
Tyvar's Stand
16% of 43 decks +14% synergy
Swan Song
15% of 298 decks +7% synergy
Negate
14% of 298 decks +3% synergy
Infernal Grasp
14% of 1048 decks +10% synergy
Despark
14% of 218 decks +10% synergy
Inkshield
14% of 216 decks +13% synergy
Abstruse Appropriation
14% of 22 decks +13% synergy
Planar Incision
14% of 295 decks +13% synergy
Fracture
13% of 216 decks +12% synergy
Deathsprout
13% of 63 decks +12% synergy
Flawless Maneuver
12% of 218 decks +8% synergy
Stroke of Midnight
12% of 106 decks +6% synergy
Consuming Corruption
12% of 118 decks +11% synergy
Cabal Ritual
12% of 1064 decks +9% synergy
Force of Vigor
11% of 63 decks +10% synergy
Sorceries
Rite of Replication
50% of 298 decks +49% synergy
Demonic Tutor
44% of 1064 decks +32% synergy
Nature's Lore
41% of 63 decks +26% synergy
Blasphemous Act
40% of 564 decks +23% synergy
Three Visits
40% of 63 decks +28% synergy
Damn
36% of 216 decks +32% synergy
Ruinous Ultimatum
34% of 85 decks +32% synergy
Revival // Revenge
33% of 218 decks +33% synergy
Feed the Swarm
33% of 1064 decks +23% synergy
Farseek
32% of 63 decks +16% synergy
Rush of Dread
31% of 243 decks +30% synergy
Eerie Ultimatum
30% of 10 decks +29% synergy
Reanimate
30% of 1064 decks +22% synergy
Farewell
29% of 211 decks +23% synergy
Debt to the Deathless
28% of 218 decks +27% synergy
Bala Ged Recovery
27% of 63 decks +23% synergy
Toxic Deluge
27% of 1064 decks +18% synergy
Exsanguinate
27% of 1064 decks +24% synergy
Damnation
26% of 1064 decks +22% synergy
Sign in Blood
22% of 1064 decks +17% synergy
Fraying Omnipotence
22% of 1064 decks +21% synergy
Insatiable Avarice
21% of 243 decks +18% synergy
Vandalblast
20% of 564 decks +12% synergy
Culling Ritual
19% of 62 decks +17% synergy
Peer into the Abyss
19% of 1064 decks +18% synergy
Read the Bones
19% of 1064 decks +15% synergy
Torment of Hailfire
18% of 1064 decks +16% synergy
Night's Whisper
18% of 1064 decks +13% synergy
Harmonize
17% of 63 decks +13% synergy
Jeska's Will
17% of 564 decks +8% synergy
Dig Up
16% of 61 decks +16% synergy
Coiling Rebirth
16% of 25 decks +13% synergy
Destined // Lead
16% of 63 decks +16% synergy
Patriarch's Bidding
15% of 1064 decks +13% synergy
Wrath of God
15% of 218 decks +12% synergy
Blood Tribute
15% of 1064 decks +14% synergy
Grim Tutor
15% of 1064 decks +12% synergy
Faithless Looting
14% of 564 decks +6% synergy
Diabolic Tutor
14% of 1064 decks +10% synergy
Kindred Dominance
14% of 1064 decks +12% synergy
Roar of Challenge
13% of 63 decks +12% synergy
Dreadbore
12% of 564 decks +11% synergy
Temporal Extortion
11% of 1064 decks +11% synergy
Genesis Storm
11% of 63 decks +11% synergy
Casualties of War
11% of 63 decks +10% synergy
Skyshroud Claim
11% of 63 decks +7% synergy
Vindicate
11% of 218 decks +9% synergy
Victimize
10% of 1064 decks +4% synergy
Austere Command
10% of 218 decks +4% synergy
Irenicus's Vile Duplication
10% of 292 decks +8% synergy
Utility Artifacts
Lightning Greaves
38% of 1064 decks +13% synergy
Swiftfoot Boots
31% of 1064 decks +3% synergy
Jet Medallion
26% of 1064 decks +24% synergy
Whip of Erebos
24% of 1064 decks +22% synergy
Bolas's Citadel
23% of 1064 decks +19% synergy
Urza's Incubator
22% of 1064 decks +18% synergy
Herald's Horn
21% of 1064 decks +15% synergy
Quietus Spike
19% of 1064 decks +18% synergy
Bontu's Monument
19% of 1064 decks +17% synergy
Tainted Sigil
17% of 218 decks +17% synergy
Scytheclaw
15% of 1064 decks +14% synergy
Archaeomancer's Map
14% of 216 decks +12% synergy
Wayfarer's Bauble
13% of 1064 decks +2% synergy
Aetherflux Reservoir
12% of 1064 decks +8% synergy
Panharmonicon
11% of 1064 decks +7% synergy
Whispersilk Cloak
11% of 1064 decks +7% synergy
Brotherhood Regalia
11% of 66 decks +3% synergy
The One Ring
10% of 736 decks +1% synergy
Strionic Resonator
9% of 1064 decks +6% synergy
Expedition Map
9% of 1064 decks +6% synergy
Elbrus, the Binding Blade
9% of 1064 decks +9% synergy
Helm of the Host
9% of 1064 decks +5% synergy
Cryptolith Fragment
8% of 1064 decks +8% synergy
Sensei's Divining Top
8% of 1064 decks +3% synergy
Quicksilver Amulet
7% of 1064 decks +7% synergy
Alhammarret's Archive
7% of 1064 decks +5% synergy
Mithril Coat
7% of 660 decks +0% synergy
Conjurer's Closet
7% of 1064 decks +4% synergy
The Great Henge
6% of 63 decks +2% synergy
Vorpal Sword
5% of 1051 decks +5% synergy
Sword of Hearth and Home
5% of 1053 decks +3% synergy
Blade of Selves
5% of 1064 decks +4% synergy
Enchantments
Smothering Tithe
45% of 218 decks +34% synergy
Wound Reflection
41% of 1064 decks +40% synergy
Reflections of Littjara
38% of 297 decks +36% synergy
Liliana's Contract
36% of 1064 decks +36% synergy
Rhystic Study
32% of 298 decks +18% synergy
Phyrexian Arena
32% of 1064 decks +24% synergy
Exquisite Blood
31% of 1064 decks +28% synergy
Warstorm Surge
29% of 564 decks +27% synergy
Vraska Joins Up
27% of 15 decks +25% synergy
Lure
25% of 63 decks +25% synergy
Blind Obedience
22% of 218 decks +19% synergy
Sylvan Library
22% of 63 decks +16% synergy
Sanguine Bond
22% of 1064 decks +19% synergy
Black Market Connections
22% of 1003 decks +16% synergy
Kindred Discovery
22% of 298 decks +18% synergy
Ghostly Prison
22% of 218 decks +16% synergy
Rakdos Joins Up
21% of 115 decks +20% synergy
Molten Echoes
20% of 564 decks +19% synergy
Warlock Class
20% of 1051 decks +19% synergy
Raised by Giants
19% of 58 decks +19% synergy
Animate Dead
18% of 1064 decks +14% synergy
Axis of Mortality
18% of 218 decks +18% synergy
Asceticism
17% of 63 decks +16% synergy
Family's Favor
17% of 59 decks +17% synergy
Life Insurance
17% of 209 decks +16% synergy
Journey to Eternity
16% of 63 decks +15% synergy
Mystic Remora
16% of 298 decks +7% synergy
Havoc Festival
15% of 564 decks +14% synergy
Heartless Summoning
14% of 1064 decks +14% synergy
Sneak Attack
14% of 564 decks +13% synergy
Virtue of Knowledge
14% of 176 decks +12% synergy
Necropotence
13% of 1064 decks +10% synergy
Black Market
12% of 1064 decks +10% synergy
Land Tax
12% of 218 decks +9% synergy
Boon Reflection
11% of 218 decks +11% synergy
Binding the Old Gods
11% of 62 decks +10% synergy
Painful Quandary
11% of 1064 decks +10% synergy
Call to the Kindred
10% of 298 decks +10% synergy
Descent into Avernus
10% of 550 decks +8% synergy
The Meathook Massacre
10% of 1048 decks +7% synergy
Bloodbond March
10% of 63 decks +9% synergy
Viridian Revel
10% of 63 decks +9% synergy
Bloodchief Ascension
9% of 1064 decks +8% synergy
Authority of the Consuls
9% of 218 decks +7% synergy
Smuggler's Share
9% of 209 decks +7% synergy
Trouble in Pairs
8% of 49 decks +5% synergy
Court of Ambition
8% of 1063 decks +7% synergy
Rising of the Day
8% of 365 decks +5% synergy
Canopy Cover
8% of 63 decks +7% synergy
Underworld Dreams
8% of 1064 decks +7% synergy
Planeswalkers
Vraska the Unseen
22% of 63 decks +22% synergy
Ob Nixilis, the Adversary
16% of 557 decks +16% synergy
Vraska, Golgari Queen
14% of 63 decks +14% synergy
Sorin Markov
14% of 1064 decks +13% synergy
Sorin, Grim Nemesis
10% of 218 decks +9% synergy
Liliana of the Dark Realms
7% of 1064 decks +6% synergy
Ob Nixilis of the Black Oath
6% of 1064 decks +5% synergy
Dihada, Binder of Wills
5% of 78 decks +5% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
44% of 1064 decks +34% synergy
Cabal Coffers
41% of 1064 decks +35% synergy
Bojuka Bog
38% of 1064 decks +22% synergy
Reliquary Tower
31% of 1064 decks +2% synergy
Arena of Glory
28% of 58 decks +22% synergy
Boseiju, Who Endures
25% of 59 decks +16% synergy
Rogue's Passage
24% of 1064 decks +5% synergy
Three Tree City
22% of 58 decks +8% synergy
Vault of the Archangel
21% of 218 decks +18% synergy
Hissing Quagmire
21% of 63 decks +20% synergy
Takenuma, Abandoned Mire
19% of 1035 decks +13% synergy
Ancient Tomb
19% of 1064 decks +8% synergy
Nykthos, Shrine to Nyx
18% of 1064 decks +13% synergy
Cabal Stronghold
18% of 1064 decks +16% synergy
Otawara, Soaring City
16% of 295 decks +8% synergy
Shizo, Death's Storehouse
15% of 1064 decks +13% synergy
Westvale Abbey
15% of 1064 decks +14% synergy
Restless Fortress
15% of 108 decks +14% synergy
Eiganjo, Seat of the Empire
13% of 211 decks +9% synergy
Castle Locthwain
13% of 1064 decks +10% synergy
Yavimaya Hollow
13% of 63 decks +12% synergy
Temple of the False God
12% of 1064 decks +3% synergy
Spymaster's Vault
10% of 150 decks +8% synergy
Witch's Cottage
10% of 1064 decks +8% synergy
Slayers' Stronghold
9% of 85 decks +8% synergy
Phyrexian Tower
9% of 1064 decks +5% synergy
Command Beacon
9% of 1064 decks +4% synergy
Leechridden Swamp
7% of 1064 decks +7% synergy
War Room
7% of 1063 decks +1% synergy
The Black Gate
7% of 648 decks +5% synergy
Mortuary Mire
7% of 1064 decks +4% synergy
Shambling Vent
6% of 218 decks +6% synergy
Minas Tirith
6% of 130 decks +2% synergy
Barren Moor
5% of 1064 decks +3% synergy
Access Tunnel
5% of 1054 decks +3% synergy
Crypt of Agadeem
5% of 1064 decks +4% synergy
Spinerock Knoll
5% of 564 decks +3% synergy
Mana Artifacts
Sol Ring
91% of 1064 decks +7% synergy
Arcane Signet
76% of 1064 decks +4% synergy
Talisman of Dominance
72% of 298 decks +64% synergy
Talisman of Creativity
65% of 273 decks +58% synergy
Talisman of Indulgence
60% of 564 decks +54% synergy
Orzhov Signet
52% of 218 decks +46% synergy
Talisman of Hierarchy
50% of 218 decks +44% synergy
Rakdos Signet
48% of 564 decks +41% synergy
Boros Signet
39% of 85 decks +33% synergy
Talisman of Conviction
38% of 85 decks +33% synergy
Dimir Signet
35% of 298 decks +27% synergy
Gruul Signet
33% of 9 decks +31% synergy
Golgari Signet
33% of 63 decks +31% synergy
Relic of Sauron
32% of 179 decks +31% synergy
Fellwar Stone
25% of 1064 decks +4% synergy
Izzet Signet
23% of 273 decks +16% synergy
Thought Vessel
20% of 1064 decks +4% synergy
Mana Crypt
17% of 1064 decks +6% synergy
Mind Stone
17% of 1064 decks -1% synergy
Commander's Sphere
16% of 1064 decks +1% synergy
Chromatic Lantern
16% of 1064 decks +7% synergy
Talisman of Resilience
14% of 63 decks +12% synergy
Jeweled Lotus
13% of 1063 decks +5% synergy
Charcoal Diamond
12% of 1064 decks +9% synergy
Thran Dynamo
9% of 1064 decks +5% synergy
Throne of Eldraine
8% of 577 decks +6% synergy
Golgari Cluestone
8% of 63 decks +8% synergy
Gilded Lotus
8% of 1064 decks +4% synergy
Nyx Lotus
7% of 1064 decks +6% synergy
Worn Powerstone
7% of 1064 decks +4% synergy
Marble Diamond
6% of 218 decks +4% synergy
Caged Sun
6% of 1064 decks +4% synergy
Chrome Mox
6% of 1064 decks -0% synergy
Mana Vault
6% of 1064 decks -0% synergy
Mardu Banner
6% of 85 decks +6% synergy
Lotus Petal
5% of 1064 decks -1% synergy
Lands
Prairie Stream
83% of 6 decks +76% synergy
Temple Garden
70% of 10 decks +61% synergy
Azorius Chancery
67% of 6 decks +63% synergy
Command Tower
65% of 1064 decks -9% synergy
Xander's Lounge
64% of 273 decks +61% synergy
Godless Shrine
63% of 218 decks +54% synergy
Crumbling Necropolis
60% of 273 decks +56% synergy
Indatha Triome
60% of 10 decks +57% synergy
Isolated Chapel
60% of 218 decks +54% synergy
Blood Crypt
59% of 564 decks +50% synergy
Watery Grave
58% of 298 decks +48% synergy
Overgrown Tomb
57% of 63 decks +48% synergy
Dragonskull Summit
57% of 564 decks +50% synergy
Sacred Foundry
56% of 85 decks +48% synergy
Woodland Cemetery
56% of 63 decks +50% synergy
Vault of Champions
55% of 218 decks +49% synergy
Clifftop Retreat
54% of 85 decks +48% synergy
Undergrowth Stadium
54% of 63 decks +48% synergy
Steam Vents
54% of 273 decks +45% synergy
Arcane Sanctum
50% of 6 decks +47% synergy
Bountiful Promenade
50% of 10 decks +45% synergy
Luxury Suite
50% of 564 decks +44% synergy
Deathcap Glade
48% of 61 decks +45% synergy
Savai Triome
47% of 85 decks +44% synergy
Caves of Koilos
46% of 218 decks +40% synergy
Sunken Hollow
46% of 298 decks +37% synergy
Spectator Seating
46% of 85 decks +40% synergy
Savage Lands
44% of 9 decks +42% synergy
Ziatora's Proving Ground
44% of 9 decks +41% synergy
Nomad Outpost
44% of 85 decks +40% synergy
Seething Landscape
43% of 28 decks +41% synergy
Morphic Pool
43% of 298 decks +36% synergy
Training Center
42% of 273 decks +36% synergy
Golgari Rot Farm
41% of 63 decks +37% synergy
Llanowar Wastes
41% of 63 decks +36% synergy
Smoldering Marsh
41% of 564 decks +34% synergy
Sunpetal Grove
40% of 10 decks +35% synergy
Canopy Vista
40% of 10 decks +32% synergy
Tainted Wood
40% of 63 decks +37% synergy
Shattered Sanctum
39% of 214 decks +36% synergy
Twilight Mire
38% of 63 decks +36% synergy
Temple of Malady
38% of 63 decks +35% synergy
Drowned Catacomb
38% of 298 decks +31% synergy
Darkbore Pathway
37% of 62 decks +35% synergy
Battlefield Forge
36% of 85 decks +31% synergy
Orzhov Basilica
36% of 218 decks +33% synergy
Sulfurous Springs
34% of 564 decks +30% synergy
Foreboding Ruins
33% of 564 decks +30% synergy
Cinder Glade
33% of 9 decks +25% synergy
Stomping Ground
33% of 9 decks +24% synergy