Havoc Festival + Archfiend of Despair

Havoc Festival
Archfiend of Despair

Requires
Havoc Festival must be on the battlefield. Archfiend of Despair must be on the battlefield.
Steps
  1. At the beginning of each opponent's upkeep, Havoc Festival triggers, causing them to lose half their life total, rounded up.
  2. At the beginning of their end step, Archfiend of Despair triggers, causing each opponent to lose life equal to the life they lost this turn.
  3. The opponent whose turn it is loses the game due to having zero or less life.
  4. Repeat during each other opponent's turn.
Results
Each opponent loses the game. Near-infinite lifeloss.

The Lord of Pain
4.15% of 1493 decks 62 decks
Valgavoth, Harrower of Souls
0.70% of 6994 decks 49 decks
Top Commanders
Rakdos, Lord of Riots
3.02% of 7375 decks 223 decks
Mogis, God of Slaughter
2.96% of 3721 decks 110 decks
Rowan, Scion of War
1.04% of 8209 decks 85 decks
Yurlok of Scorch Thrash
1.10% of 6101 decks 67 decks
Rakdos, the Showstopper
4.39% of 1230 decks 54 decks
Rakdos, Patron of Chaos
6.88% of 698 decks 48 decks
Xantcha, Sleeper Agent
1.55% of 3040 decks 47 decks
Kaervek the Merciless
3.05% of 1344 decks 41 decks
Be'lakor, the Dark Master
0.30% of 10958 decks 33 decks
Rakdos the Defiler
8.68% of 242 decks 21 decks
Kardur, Doomscourge
0.40% of 4956 decks 20 decks
Kaalia of the Vast
0.07% of 20195 decks 14 decks
The Infamous Cruelclaw
0.22% of 4155 decks 9 decks
Raphael, Fiendish Savior
0.23% of 3998 decks 9 decks
Abaddon the Despoiler
0.14% of 5184 decks 7 decks
Vial Smasher the Fierce
4.26% of 141 decks 6 decks
New Cards
Boltwave
100% of 5 decks +76% synergy
Bloodthirsty Conqueror
50% of 18 decks +36% synergy
Blazemire Verge
47% of 188 decks +25% synergy
Scrawling Crawler
45% of 11 decks +39% synergy
Withering Torment
45% of 165 decks +23% synergy
High Synergy Cards
Overabundance
53% of 92 decks +53% synergy
Bloodletter of Aclazotz
56% of 577 decks +51% synergy
Wound Reflection
51% of 1033 decks +50% synergy
Heartbeat of Spring
48% of 92 decks +47% synergy
Zhur-Taa Ancient
47% of 92 decks +46% synergy
Belbe, Corrupted Observer
46% of 91 decks +45% synergy
Leyline of Abundance
46% of 92 decks +44% synergy
Rakdos Charm
55% of 1033 decks +40% synergy
Gisela, Blade of Goldnight
46% of 39 decks +40% synergy
Magus of the Vineyard
40% of 92 decks +40% synergy
Top Cards
Blasphemous Act
55% of 1033 decks +21% synergy
Ignoble Hierarch
55% of 86 decks +29% synergy
Swords to Plowshares
54% of 39 decks -9% synergy
Chaos Warp
52% of 1033 decks +19% synergy
Assassin's Trophy
50% of 92 decks +20% synergy
Bedevil
46% of 1026 decks +32% synergy
Lightning Greaves
45% of 1033 decks +19% synergy
Dark Ritual
42% of 1033 decks +20% synergy
Smothering Tithe
42% of 38 decks +17% synergy
Razorkin Needlehead
42% of 207 decks +31% synergy
Creatures
Gleeful Arsonist
41% of 141 decks +29% synergy
The Lord of Pain
40% of 141 decks +17% synergy
Heartless Hidetsugu
40% of 1033 decks +38% synergy
Nyxbloom Ancient
37% of 92 decks +33% synergy
Birds of Paradise
37% of 92 decks +10% synergy
Rakdos, Patron of Chaos
36% of 462 decks +31% synergy
Kardur, Doomscourge
34% of 997 decks +28% synergy
Solphim, Mayhem Dominus
34% of 814 decks +29% synergy
Aurelia, the Warleader
33% of 39 decks +26% synergy
Twinflame Tyrant
33% of 18 decks +20% synergy
Seedborn Muse
33% of 92 decks +24% synergy
Esper Sentinel
32% of 34 decks +12% synergy
Valgavoth, Harrower of Souls
32% of 207 decks +27% synergy
Sower of Discord
32% of 1028 decks +31% synergy
Zhur-Taa Druid
32% of 92 decks +29% synergy
Master of Cruelties
29% of 1033 decks +27% synergy
Magus of the Candelabra
29% of 92 decks +29% synergy
Kaervek the Merciless
29% of 1033 decks +26% synergy
Lord of Change
29% of 63 decks +28% synergy
Stormfist Crusader
28% of 1014 decks +25% synergy
Archfiend of Depravity
28% of 1033 decks +26% synergy
Bloom Tender
27% of 92 decks +19% synergy
Vilis, Broker of Blood
27% of 1018 decks +24% synergy
Rune-Scarred Demon
27% of 1033 decks +24% synergy
Avacyn, Angel of Hope
26% of 39 decks +22% synergy
Drana and Linvala
25% of 24 decks +19% synergy
Exalted Flamer of Tzeentch
24% of 63 decks +20% synergy
Mogis, God of Slaughter
23% of 1033 decks +21% synergy
Solemn Simulacrum
23% of 1033 decks +9% synergy
Herald of Slaanesh
23% of 909 decks +22% synergy
Linvala, Keeper of Silence
23% of 39 decks +21% synergy
Rakdos, Lord of Riots
22% of 1033 decks +20% synergy
Indulgent Tormentor
21% of 1033 decks +20% synergy
Ob Nixilis, Unshackled
21% of 1033 decks +20% synergy
Seeker of Skybreak
21% of 92 decks +20% synergy
Eternal Witness
21% of 92 decks -0% synergy
Liesa, Forgotten Archangel
21% of 34 decks +16% synergy
Barbflare Gremlin
21% of 141 decks +17% synergy
Kambal, Consul of Allocation
21% of 39 decks +15% synergy
Sheoldred, the Apocalypse
20% of 932 decks +15% synergy
Harvester of Souls
20% of 1033 decks +17% synergy
Bloodthirster
20% of 909 decks +18% synergy
Dosan the Falling Leaf
20% of 92 decks +19% synergy
Klothys, God of Destiny
20% of 92 decks +18% synergy
Ruric Thar, the Unbowed
20% of 92 decks +18% synergy
Bloodgift Demon
20% of 1033 decks +18% synergy
Rakdos, the Showstopper
19% of 1026 decks +18% synergy
Unstoppable Slasher
19% of 180 decks +13% synergy
Creeping Bloodsucker
19% of 843 decks +16% synergy
Sunspine Lynx
19% of 234 decks +16% synergy
Instants
Terminate
42% of 1033 decks +21% synergy
Beast Within
41% of 92 decks +2% synergy
Counterspell
40% of 65 decks -3% synergy
Path to Exile
36% of 39 decks -10% synergy
Heroic Intervention
34% of 92 decks +4% synergy
Teferi's Protection
31% of 39 decks +11% synergy
Anguished Unmaking
31% of 39 decks +7% synergy
Blood for the Blood God!
26% of 909 decks +22% synergy
Brainstorm
26% of 65 decks +5% synergy
Deflecting Swat
25% of 1011 decks +9% synergy
Enlightened Tutor
23% of 39 decks +5% synergy
Cyclonic Rift
23% of 65 decks -5% synergy
Vampiric Tutor
22% of 1033 decks +4% synergy
Suspended Sentence
21% of 141 decks +14% synergy
Crackling Doom
21% of 39 decks +13% synergy
Deadly Rollick
19% of 1011 decks +9% synergy
Revitalizing Repast
19% of 16 decks +6% synergy
Angel's Grace
18% of 39 decks +16% synergy
Infernal Grasp
15% of 969 decks +8% synergy
Lightning Bolt
15% of 1033 decks +5% synergy
Tibalt's Trickery
15% of 997 decks +10% synergy
Untimely Malfunction
15% of 180 decks -2% synergy
Fell the Profane
14% of 291 decks +2% synergy
Fierce Guardianship
14% of 65 decks -4% synergy
Legolas's Quick Reflexes
13% of 45 decks +10% synergy
Despark
13% of 38 decks -3% synergy
Boros Charm
13% of 39 decks -12% synergy
Tyvar's Stand
12% of 64 decks +7% synergy
Malakir Rebirth
12% of 1007 decks +4% synergy
Worldly Tutor
11% of 92 decks -3% synergy
Mana Drain
11% of 65 decks -4% synergy
Swan Song
11% of 65 decks -6% synergy
An Offer You Can't Refuse
11% of 65 decks -10% synergy
Negate
11% of 65 decks -12% synergy
Generous Gift
11% of 38 decks -15% synergy
Bolt Bend
10% of 1021 decks +7% synergy
Return to Dust
10% of 39 decks +6% synergy
Silence
10% of 39 decks +4% synergy
Utter End
10% of 39 decks +3% synergy
Valakut Awakening
10% of 1007 decks +4% synergy
Krosan Grip
10% of 92 decks +2% synergy
Price of Progress
9% of 1033 decks +8% synergy
Ghostly Flicker
9% of 65 decks +4% synergy
Fire Covenant
9% of 1033 decks +5% synergy
Thrill of Possibility
9% of 1014 decks -2% synergy
Seething Song
9% of 1033 decks +3% synergy
Abrade
8% of 1033 decks -3% synergy
Kolaghan's Command
8% of 1033 decks +6% synergy
Red Elemental Blast
8% of 1033 decks +1% synergy
Beacon of Immortality
8% of 39 decks +7% synergy
Sorceries
Cultivate
38% of 92 decks -8% synergy
Feed the Swarm
36% of 1007 decks +18% synergy
Vandalblast
35% of 1033 decks +19% synergy
Rite of Replication
34% of 65 decks +31% synergy
Farseek
34% of 92 decks -1% synergy
Demonic Tutor
32% of 1033 decks +10% synergy
Torment of Hailfire
28% of 1033 decks +23% synergy
Exsanguinate
28% of 1033 decks +23% synergy
Toxic Deluge
27% of 1033 decks +10% synergy
Sign in Blood
26% of 1033 decks +16% synergy
Jeska's Will
25% of 1004 decks +8% synergy
Ruinous Ultimatum
24% of 37 decks +6% synergy
Grab the Prize
23% of 166 decks +15% synergy
Three Visits
23% of 92 decks -2% synergy
Nature's Lore
23% of 92 decks -9% synergy
Sadistic Shell Game
22% of 141 decks +16% synergy
Lavalanche
22% of 92 decks +19% synergy
Dreadbore
22% of 1033 decks +19% synergy
Farewell
21% of 33 decks +8% synergy
Rampant Growth
21% of 92 decks -14% synergy
Damnation
21% of 1033 decks +12% synergy
Wrath of God
21% of 39 decks +14% synergy
Read the Bones
20% of 1033 decks +12% synergy
Kodama's Reach
20% of 92 decks -12% synergy
Night's Whisper
19% of 1033 decks +10% synergy
Reanimate
19% of 1033 decks +4% synergy
Bloodsoaked Insight
19% of 291 decks +14% synergy
Bala Ged Recovery
19% of 91 decks +10% synergy
Demonic Counsel
16% of 207 decks +11% synergy
Damn
15% of 34 decks -2% synergy
Faithless Looting
15% of 1033 decks -2% synergy
Quantum Misalignment
13% of 38 decks +11% synergy
Austere Command
13% of 39 decks -0% synergy
Fraying Omnipotence
12% of 1029 decks +12% synergy
Last One Standing
12% of 1033 decks +11% synergy
Diabolic Tutor
11% of 1033 decks +5% synergy
Prisoner's Dilemma
11% of 379 decks +9% synergy
Grim Tutor
11% of 1033 decks +6% synergy
Genesis Wave
11% of 92 decks +9% synergy
Wheel of Misfortune
11% of 1004 decks +6% synergy
Armageddon
10% of 39 decks +9% synergy
Mana Geyser
10% of 1033 decks +3% synergy
Peer into the Abyss
10% of 1009 decks +7% synergy
Collective Voyage
10% of 92 decks +9% synergy
Skyshroud Claim
10% of 92 decks +1% synergy
Rakdos's Return
9% of 1033 decks +9% synergy
Disrupt Decorum
9% of 1033 decks +6% synergy
Ancestral Vision
9% of 65 decks +8% synergy
Treasure Cruise
9% of 65 decks +4% synergy
Insatiable Avarice
9% of 338 decks +4% synergy
Utility Artifacts
Swiftfoot Boots
31% of 1033 decks +3% synergy
Whip of Erebos
19% of 1033 decks +15% synergy
Cryptolith Fragment
17% of 1033 decks +16% synergy
Bolas's Citadel
16% of 1021 decks +7% synergy
Ankh of Mishra
13% of 1033 decks +13% synergy
Wayfarer's Bauble
13% of 1033 decks +3% synergy
Jet Medallion
11% of 1033 decks +8% synergy
The One Ring
10% of 778 decks +1% synergy
Mithril Coat
10% of 700 decks +4% synergy
Bontu's Monument
10% of 1033 decks +8% synergy
Basilisk Collar
9% of 1033 decks +6% synergy
Bootleggers' Stash
9% of 81 decks +6% synergy
Mindcrank
8% of 1033 decks +6% synergy
Ruby Medallion
8% of 1033 decks +5% synergy
Urza's Incubator
8% of 1033 decks +5% synergy
Herald's Horn
7% of 1033 decks +1% synergy
Crawlspace
7% of 1033 decks +6% synergy
Shadowspear
7% of 1013 decks +3% synergy
Whispersilk Cloak
6% of 1033 decks +2% synergy
Helm of the Host
6% of 1033 decks +2% synergy
Mask of Griselbrand
6% of 969 decks +4% synergy
Elbrus, the Binding Blade
6% of 1033 decks +5% synergy
Enchantments
Dictate of Karametra
40% of 92 decks +39% synergy
Eladamri's Vineyard
38% of 92 decks +38% synergy
Helix Pinnacle
37% of 92 decks +36% synergy
Phyrexian Arena
36% of 1033 decks +21% synergy
Mana Reflection
35% of 92 decks +33% synergy
Ghostly Prison
28% of 39 decks +17% synergy
Descent into Avernus
28% of 944 decks +25% synergy
Painful Quandary
27% of 1033 decks +25% synergy
Exquisite Blood
27% of 1033 decks +22% synergy
Spiked Corridor // Torture Pit
27% of 141 decks +17% synergy
Rhystic Study
26% of 65 decks -2% synergy
Reflections of Littjara
25% of 65 decks +19% synergy
Manabarbs
23% of 1033 decks +21% synergy
Fiery Emancipation
22% of 1009 decks +18% synergy
Cindervines
21% of 92 decks +19% synergy
Grievous Wound
20% of 188 decks +17% synergy
Liliana's Contract
20% of 1029 decks +18% synergy
Sulfuric Vortex
19% of 1033 decks +17% synergy
Instill Energy
18% of 92 decks +18% synergy
Land Tax
18% of 39 decks +11% synergy
Black Market Connections
18% of 944 decks +7% synergy
Captive Audience
18% of 1026 decks +17% synergy
Dictate of the Twin Gods
17% of 1033 decks +15% synergy
Bloodchief Ascension
17% of 1033 decks +13% synergy
Spiteful Visions
16% of 1033 decks +13% synergy
Axis of Mortality
15% of 39 decks +15% synergy
Asceticism
15% of 92 decks +12% synergy
Underworld Dreams
15% of 1033 decks +13% synergy
City on Fire
15% of 770 decks +10% synergy
Mystic Remora
14% of 65 decks -4% synergy
Spellshock
14% of 1033 decks +13% synergy
Roiling Vortex
13% of 1007 decks +12% synergy
No Mercy
13% of 1033 decks +11% synergy
Nature's Chosen
13% of 92 decks +13% synergy
Rule of Law
13% of 39 decks +11% synergy
Blind Obedience
13% of 39 decks +6% synergy
Propaganda
12% of 65 decks +1% synergy
Court of Ambition
12% of 1004 decks +10% synergy
Polluted Bonds
12% of 1033 decks +11% synergy
Theater of Horrors
12% of 1026 decks +10% synergy
Rites of Flourishing
12% of 92 decks +10% synergy
The Rollercrusher Ride
12% of 180 decks +9% synergy
Court of Grace
11% of 35 decks +8% synergy
Necropotence
11% of 1033 decks +6% synergy
Animate Dead
11% of 1033 decks +2% synergy
Sylvan Library
11% of 92 decks -1% synergy
Citadel of Pain
11% of 1033 decks +10% synergy
Rakdos Joins Up
10% of 338 decks +6% synergy
War's Toll
10% of 1033 decks +9% synergy
City of Solitude
10% of 92 decks +10% synergy
Planeswalkers
Tyvar, Jubilant Brawler
20% of 66 decks +15% synergy
Ob Nixilis, the Adversary
14% of 952 decks +13% synergy
Chandra, Awakened Inferno
8% of 1018 decks +7% synergy
Tasha, the Witch Queen
6% of 64 decks +5% synergy
Geyadrone Dihada
6% of 65 decks +4% synergy
Angrath, the Flame-Chained
6% of 1033 decks +5% synergy
Chandra, Torch of Defiance
6% of 1033 decks +3% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
37% of 1033 decks +27% synergy
Bojuka Bog
37% of 1033 decks +6% synergy
Reliquary Tower
26% of 1033 decks -4% synergy
Cabal Coffers
25% of 1033 decks +14% synergy
Boseiju, Who Endures
23% of 82 decks +4% synergy
Vault of the Archangel
21% of 39 decks +10% synergy
Rogue's Passage
19% of 1033 decks -0% synergy
Temple of the False God
14% of 1033 decks +4% synergy
Ancient Tomb
14% of 1033 decks +3% synergy
Arena of Glory
13% of 276 decks +4% synergy
Hall of Heliod's Generosity
13% of 38 decks +6% synergy
Kessig Wolf Run
13% of 92 decks -3% synergy
Castle Locthwain
11% of 1014 decks +6% synergy
Leechridden Swamp
11% of 1033 decks +10% synergy
Otawara, Soaring City
11% of 65 decks -6% synergy
Lair of the Hydra
9% of 86 decks +8% synergy
Spinerock Knoll
9% of 1033 decks +4% synergy
Takenuma, Abandoned Mire
8% of 958 decks -3% synergy
Witch's Clinic
7% of 983 decks +6% synergy
Shivan Gorge
7% of 1033 decks +6% synergy
Shizo, Death's Storehouse
7% of 1033 decks +2% synergy
Maze of Ith
7% of 1033 decks +4% synergy
Lavaclaw Reaches
6% of 1033 decks +5% synergy
The Black Gate
6% of 681 decks +2% synergy
Nykthos, Shrine to Nyx
5% of 1033 decks -0% synergy
Mortuary Mire
5% of 1033 decks +0% synergy
Barren Moor
5% of 1033 decks +1% synergy
Mana Artifacts
Sol Ring
91% of 1033 decks +6% synergy
Arcane Signet
80% of 1014 decks +8% synergy
Rakdos Signet
61% of 1033 decks +31% synergy
Talisman of Indulgence
53% of 1033 decks +27% synergy
Talisman of Dominance
49% of 65 decks +18% synergy
Talisman of Creativity
48% of 65 decks +19% synergy
Orzhov Signet
38% of 39 decks +11% synergy
Boros Signet
33% of 39 decks +10% synergy
Talisman of Hierarchy
32% of 38 decks +7% synergy
Izzet Signet
31% of 65 decks +2% synergy
Fellwar Stone
29% of 1033 decks +8% synergy
Dimir Signet
28% of 65 decks -2% synergy
Talisman of Conviction
24% of 38 decks +1% synergy
Relic of Sauron
23% of 47 decks +12% synergy
Mind Stone
21% of 1033 decks +4% synergy
Golgari Signet
20% of 92 decks +7% synergy
Commander's Sphere
19% of 1033 decks +4% synergy
Gruul Signet
18% of 92 decks +6% synergy
Thought Vessel
15% of 1033 decks -1% synergy
Séance Board
13% of 141 decks +9% synergy
Thran Dynamo
12% of 1033 decks +7% synergy
Charcoal Diamond
9% of 1033 decks +4% synergy
Fire Diamond
9% of 1033 decks +4% synergy
Mana Crypt
9% of 1033 decks +0% synergy
Gilded Lotus
9% of 1033 decks +5% synergy
Chromatic Lantern
9% of 1033 decks -1% synergy
Rakdos Locket
7% of 1026 decks +6% synergy
Obelisk of Grixis
6% of 65 decks +5% synergy
Worn Powerstone
6% of 1033 decks +3% synergy
Talisman of Impulse
5% of 92 decks -3% synergy
Talisman of Resilience
5% of 92 decks -6% synergy
Rakdos Cluestone
5% of 1033 decks +5% synergy
Lands
Command Tower
87% of 1033 decks +13% synergy
Dragonskull Summit
66% of 1033 decks +35% synergy
Ziatora's Proving Ground
64% of 81 decks +32% synergy
Blood Crypt
61% of 1033 decks +23% synergy
Overgrown Tomb
60% of 92 decks +17% synergy
Stomping Ground
59% of 92 decks +17% synergy
Smoldering Marsh
58% of 1033 decks +26% synergy
Godless Shrine
54% of 39 decks +13% synergy
Luxury Suite
53% of 1033 decks +26% synergy
Crumbling Necropolis
49% of 65 decks +18% synergy
Savai Triome
49% of 37 decks +21% synergy
Spire Garden
48% of 92 decks +24% synergy
Undergrowth Stadium
47% of 91 decks +21% synergy
Isolated Chapel
46% of 39 decks +19% synergy
Steam Vents
45% of 65 decks +5% synergy
Nomad Outpost
44% of 39 decks +16% synergy
Sacred Foundry
44% of 39 decks +7% synergy
Rootbound Crag
43% of 92 decks +20% synergy
Watery Grave
43% of 65 decks +2% synergy
Woodland Cemetery
41% of 92 decks +14% synergy
Sulfurous Springs
41% of 1033 decks +21% synergy
Foreboding Ruins
41% of 1033 decks +25% synergy
Savage Lands
40% of 92 decks +17% synergy
Vault of Champions
40% of 35 decks +14% synergy
Sunken Hollow
40% of 65 decks +5% synergy
Haunted Ridge
39% of 969 decks +23% synergy
Clifftop Retreat
38% of 39 decks +10% synergy
Bloodstained Mire
38% of 1033 decks +28% synergy
Indatha Triome
38% of 8 decks +6% synergy
Temple Garden
38% of 8 decks -3% synergy
Rockfall Vale
37% of 83 decks +15% synergy
Graven Cairns
37% of 1033 decks +29% synergy
Xander's Lounge
37% of 65 decks +9% synergy
Caves of Koilos
36% of 39 decks +8% synergy
Rakdos Carnarium
36% of 1033 decks +21% synergy
Spectator Seating
34% of 35 decks +9% synergy
Training Center
34% of 65 decks +6% synergy
Temple of Malice
33% of 1033 decks +18% synergy
Tainted Peak
31% of 1033 decks +21% synergy
Battlefield Forge
31% of 39 decks +5% synergy
Morphic Pool
31% of 65 decks +5% synergy
Raucous Theater
30% of 418 decks +17% synergy
Cinder Glade
29% of 92 decks -9% synergy
Blightstep Pathway
28% of 997 decks +19% synergy
Mount Doom
28% of 776 decks +20% synergy
Exotic Orchard
27% of 1033 decks -8% synergy
Deathcap Glade
27% of 82 decks +13% synergy
Drowned Catacomb
25% of 65 decks -1% synergy
Shadowblood Ridge
24% of 1033 decks +12% synergy
Temple of Silence
23% of 39 decks +5% synergy