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.

Rakdos, Lord of Riots
2.98% of 7527 decks 224 decks
Mogis, God of Slaughter
2.82% of 3765 decks 106 decks
Rowan, Scion of War
1.06% of 8614 decks 91 decks
The Lord of Pain
3.92% of 1912 decks 75 decks
Valgavoth, Harrower of Souls
0.80% of 8703 decks 70 decks
Yurlok of Scorch Thrash
0.97% of 6369 decks 62 decks
Rakdos, the Showstopper
4.59% of 1220 decks 56 decks
Rakdos, Patron of Chaos
6.69% of 747 decks 50 decks
Xantcha, Sleeper Agent
1.47% of 3190 decks 47 decks
Kaervek the Merciless
2.90% of 1344 decks 39 decks
Be'lakor, the Dark Master
0.29% of 11041 decks 32 decks
Kardur, Doomscourge
0.39% of 5084 decks 20 decks
Rakdos the Defiler
7.32% of 246 decks 18 decks
Kaalia of the Vast
0.08% of 21105 decks 16 decks
The Infamous Cruelclaw
0.24% of 4673 decks 11 decks
Raphael, Fiendish Savior
0.27% of 4061 decks 11 decks
Abaddon the Despoiler
0.14% of 5147 decks 7 decks
Florian, Voldaren Scion
0.53% of 1129 decks 6 decks
New Cards
Blasphemous Edict
56% of 41 decks +22% synergy
Boltwave
45% of 22 decks +27% synergy
Scrawling Crawler
43% of 58 decks +36% synergy
Blazemire Verge
42% of 261 decks +22% synergy
Withering Torment
41% of 232 decks +22% synergy
High Synergy Cards
Overabundance
52% of 89 decks +51% synergy
Wound Reflection
52% of 1070 decks +51% synergy
Bloodletter of Aclazotz
54% of 645 decks +49% synergy
Heartbeat of Spring
47% of 89 decks +46% synergy
Zhur-Taa Ancient
45% of 89 decks +44% synergy
Belbe, Corrupted Observer
43% of 88 decks +43% synergy
Leyline of Abundance
44% of 89 decks +42% synergy
Rakdos Charm
56% of 1070 decks +41% synergy
Heartless Hidetsugu
40% of 1070 decks +39% synergy
Dictate of Karametra
39% of 89 decks +39% synergy
Top Cards
Blasphemous Act
56% of 1070 decks +22% synergy
Ignoble Hierarch
53% of 83 decks +27% synergy
Chaos Warp
51% of 1070 decks +19% synergy
Assassin's Trophy
51% of 89 decks +20% synergy
Swords to Plowshares
48% of 42 decks -15% synergy
Bedevil
46% of 1064 decks +32% synergy
Lightning Greaves
46% of 1070 decks +20% synergy
Beast Within
44% of 89 decks +5% synergy
Dark Ritual
42% of 1070 decks +20% synergy
Bloodthirsty Conqueror
41% of 76 decks +29% synergy
Creatures
Gisela, Blade of Goldnight
40% of 42 decks +34% synergy
The Lord of Pain
40% of 203 decks +25% synergy
Razorkin Needlehead
40% of 280 decks +32% synergy
Magus of the Vineyard
37% of 89 decks +37% synergy
Birds of Paradise
37% of 89 decks +10% synergy
Nyxbloom Ancient
36% of 89 decks +32% synergy
Gleeful Arsonist
35% of 203 decks +28% synergy
Solphim, Mayhem Dominus
35% of 882 decks +30% synergy
Rakdos, Patron of Chaos
34% of 532 decks +29% synergy
Kardur, Doomscourge
34% of 1037 decks +27% synergy
Aurelia, the Warleader
33% of 42 decks +26% synergy
Witch Enchanter
33% of 12 decks +24% synergy
Perforating Artist
32% of 22 decks +18% synergy
Seedborn Muse
31% of 89 decks +23% synergy
Sower of Discord
31% of 1066 decks +30% synergy
Kaervek the Merciless
30% of 1070 decks +28% synergy
Valgavoth, Harrower of Souls
29% of 280 decks +25% synergy
Stormfist Crusader
29% of 1053 decks +25% synergy
Master of Cruelties
29% of 1070 decks +26% synergy
Magus of the Candelabra
28% of 89 decks +27% synergy
Zhur-Taa Druid
28% of 89 decks +26% synergy
Bloom Tender
28% of 89 decks +20% synergy
Twinflame Tyrant
28% of 76 decks +16% synergy
Lord of Change
27% of 62 decks +27% synergy
Archfiend of Depravity
27% of 1070 decks +25% synergy
Vilis, Broker of Blood
26% of 1057 decks +23% synergy
Avacyn, Angel of Hope
26% of 42 decks +22% synergy
Rune-Scarred Demon
26% of 1070 decks +24% synergy
Mogis, God of Slaughter
26% of 1070 decks +23% synergy
Esper Sentinel
24% of 37 decks +4% synergy
Exalted Flamer of Tzeentch
24% of 62 decks +20% synergy
Solemn Simulacrum
23% of 1070 decks +9% synergy
Abyssal Harvester
23% of 22 decks +8% synergy
Rakdos, Lord of Riots
23% of 1070 decks +20% synergy
Herald of Slaanesh
22% of 957 decks +21% synergy
Liesa, Forgotten Archangel
22% of 37 decks +18% synergy
Linvala, Keeper of Silence
21% of 42 decks +19% synergy
Sheoldred, the Apocalypse
21% of 978 decks +16% synergy
Drana and Linvala
21% of 29 decks +14% synergy
Indulgent Tormentor
20% of 1070 decks +19% synergy
Seeker of Skybreak
20% of 89 decks +19% synergy
Persistent Constrictor
20% of 203 decks +14% synergy
Ob Nixilis, Unshackled
20% of 1070 decks +19% synergy
Creeping Bloodsucker
19% of 909 decks +16% synergy
Eternal Witness
19% of 89 decks -2% synergy
Harvester of Souls
19% of 1070 decks +17% synergy
Angelic Arbiter
19% of 42 decks +18% synergy
Serra's Emissary
19% of 37 decks +17% synergy
Bloodgift Demon
19% of 1070 decks +18% synergy
Lord Xander, the Collector
19% of 64 decks +17% synergy
Instants
Terminate
40% of 1070 decks +20% synergy
Counterspell
39% of 64 decks -4% synergy
Path to Exile
33% of 42 decks -13% synergy
Heroic Intervention
33% of 89 decks +3% synergy
Anguished Unmaking
31% of 42 decks +7% synergy
Revitalizing Repast
30% of 20 decks +18% synergy
Teferi's Protection
29% of 42 decks +9% synergy
Deflecting Swat
26% of 1050 decks +9% synergy
Blood for the Blood God!
26% of 957 decks +22% synergy
Brainstorm
25% of 64 decks +4% synergy
Crackling Doom
24% of 42 decks +16% synergy
Cyclonic Rift
23% of 64 decks -4% synergy
Vampiric Tutor
22% of 1070 decks +3% synergy
Deadly Rollick
20% of 1050 decks +9% synergy
Enlightened Tutor
19% of 42 decks +1% synergy
Suspended Sentence
18% of 203 decks +14% synergy
Infernal Grasp
16% of 1010 decks +8% synergy
Tibalt's Trickery
16% of 1037 decks +10% synergy
Untimely Malfunction
16% of 250 decks -0% synergy
Lightning Bolt
15% of 1070 decks +4% synergy
Angel's Grace
14% of 42 decks +12% synergy
Boros Charm
14% of 42 decks -11% synergy
Fierce Guardianship
14% of 64 decks -4% synergy
Bulk Up
14% of 22 decks +4% synergy
Fell the Profane
14% of 361 decks +2% synergy
Legolas's Quick Reflexes
13% of 46 decks +10% synergy
Malakir Rebirth
13% of 1046 decks +4% synergy
Despark
12% of 41 decks -3% synergy
Krosan Grip
11% of 89 decks +4% synergy
Mana Drain
11% of 64 decks -4% synergy
Swan Song
11% of 64 decks -6% synergy
An Offer You Can't Refuse
11% of 64 decks -10% synergy
Negate
11% of 64 decks -12% synergy
Bolt Bend
11% of 1060 decks +7% synergy
Tyvar's Stand
11% of 66 decks +5% synergy
Worldly Tutor
10% of 89 decks -4% synergy
Flawless Maneuver
10% of 40 decks -0% synergy
Generous Gift
10% of 41 decks -16% synergy
Valakut Awakening
10% of 1046 decks +3% synergy
Return to Dust
10% of 42 decks +5% synergy
Silence
10% of 42 decks +3% synergy
Utter End
10% of 42 decks +3% synergy
Ghostly Flicker
9% of 64 decks +4% synergy
Price of Progress
9% of 1070 decks +8% synergy
Putrefy
9% of 89 decks -7% synergy
Fire Covenant
9% of 1070 decks +5% synergy
Thrill of Possibility
9% of 1053 decks -2% synergy
Seething Song
8% of 1070 decks +3% synergy
Kolaghan's Command
8% of 1070 decks +6% synergy
Windgrace's Judgment
8% of 89 decks +6% synergy
Sorceries
Cultivate
39% of 89 decks -7% synergy
Farseek
38% of 89 decks +4% synergy
Feed the Swarm
36% of 1046 decks +17% synergy
Vandalblast
35% of 1070 decks +19% synergy
Rite of Replication
34% of 64 decks +31% synergy
Demonic Tutor
32% of 1070 decks +10% synergy
Exsanguinate
28% of 1070 decks +22% synergy
Toxic Deluge
28% of 1070 decks +10% synergy
Torment of Hailfire
28% of 1070 decks +23% synergy
Jeska's Will
26% of 1044 decks +8% synergy
Sign in Blood
25% of 1070 decks +15% synergy
Three Visits
24% of 89 decks -1% synergy
Nature's Lore
24% of 89 decks -8% synergy
Kodama's Reach
22% of 89 decks -9% synergy
Grab the Prize
22% of 232 decks +15% synergy
Lavalanche
21% of 89 decks +19% synergy
Rampant Growth
21% of 89 decks -13% synergy
Damnation
21% of 1070 decks +13% synergy
Dreadbore
20% of 1070 decks +18% synergy
Ruinous Ultimatum
20% of 40 decks +2% synergy
Night's Whisper
19% of 1070 decks +10% synergy
Sadistic Shell Game
19% of 203 decks +16% synergy
Reanimate
19% of 1070 decks +3% synergy
Damn
19% of 37 decks +3% synergy
Bloodsoaked Insight
19% of 361 decks +15% synergy
Read the Bones
18% of 1070 decks +10% synergy
Bala Ged Recovery
17% of 88 decks +8% synergy
Wrath of God
17% of 42 decks +10% synergy
Farewell
17% of 36 decks +3% synergy
Demonic Counsel
15% of 280 decks +11% synergy
Faithless Looting
14% of 1070 decks -3% synergy
Quantum Misalignment
13% of 38 decks +11% synergy
Fraying Omnipotence
13% of 1067 decks +12% synergy
Revival // Revenge
12% of 41 decks +11% synergy
Last One Standing
12% of 1070 decks +11% synergy
Genesis Wave
11% of 89 decks +9% synergy
Diabolic Tutor
11% of 1070 decks +5% synergy
Wheel of Misfortune
11% of 1044 decks +7% synergy
Grim Tutor
10% of 1070 decks +6% synergy
Ondu Inversion
10% of 39 decks +8% synergy
Collective Voyage
10% of 89 decks +9% synergy
Skyshroud Claim
10% of 89 decks +1% synergy
Peer into the Abyss
10% of 1048 decks +7% synergy
Disrupt Decorum
10% of 1070 decks +6% synergy
Mana Geyser
10% of 1070 decks +3% synergy
Debt to the Deathless
10% of 42 decks +6% synergy
Vindicate
10% of 42 decks +3% synergy
Austere Command
10% of 42 decks -3% synergy
Ancestral Vision
9% of 64 decks +8% synergy
Treasure Cruise
9% of 64 decks +4% synergy
Utility Artifacts
Swiftfoot Boots
31% of 1070 decks +3% synergy
Whip of Erebos
19% of 1070 decks +16% synergy
Bolas's Citadel
17% of 1060 decks +8% synergy
Cryptolith Fragment
16% of 1070 decks +16% synergy
Ankh of Mishra
14% of 1070 decks +13% synergy
Wayfarer's Bauble
13% of 1070 decks +3% synergy
Jet Medallion
11% of 1070 decks +9% synergy
Basilisk Collar
11% of 1070 decks +7% synergy
The One Ring
10% of 845 decks +1% synergy
Mithril Coat
9% of 767 decks +4% synergy
Bontu's Monument
9% of 1070 decks +7% synergy
Ruby Medallion
9% of 1070 decks +7% synergy
Mindcrank
8% of 1070 decks +6% synergy
Urza's Incubator
8% of 1070 decks +4% synergy
Bootleggers' Stash
8% of 79 decks +5% synergy
Shadowspear
7% of 1052 decks +4% synergy
Tainted Sigil
7% of 42 decks +7% synergy
Herald's Horn
7% of 1070 decks +1% synergy
Crawlspace
7% of 1070 decks +6% synergy
Mask of Griselbrand
6% of 1010 decks +5% synergy
Whispersilk Cloak
6% of 1070 decks +2% synergy
Elbrus, the Binding Blade
5% of 1070 decks +5% synergy
Helm of the Host
5% of 1070 decks +2% synergy
Enchantments
Phyrexian Arena
37% of 1070 decks +22% synergy
Smothering Tithe
37% of 41 decks +12% synergy
Eladamri's Vineyard
36% of 89 decks +36% synergy
Helix Pinnacle
35% of 89 decks +34% synergy
Mana Reflection
34% of 89 decks +32% synergy
Painful Quandary
28% of 1070 decks +26% synergy
Descent into Avernus
28% of 990 decks +24% synergy
Exquisite Blood
27% of 1070 decks +22% synergy
Rhystic Study
27% of 64 decks -1% synergy
Ghostly Prison
26% of 42 decks +15% synergy
Spiked Corridor // Torture Pit
24% of 203 decks +19% synergy
Manabarbs
24% of 1070 decks +22% synergy
Reflections of Littjara
23% of 64 decks +18% synergy
Grievous Wound
21% of 261 decks +18% synergy
Fiery Emancipation
21% of 1048 decks +18% synergy
Sulfuric Vortex
19% of 1070 decks +18% synergy
Instill Energy
19% of 89 decks +18% synergy
Liliana's Contract
19% of 1067 decks +18% synergy
Black Market Connections
19% of 990 decks +8% synergy
Cindervines
17% of 89 decks +15% synergy
Captive Audience
17% of 1064 decks +16% synergy
Land Tax
17% of 42 decks +10% synergy
Spiteful Visions
17% of 1070 decks +14% synergy
Dictate of the Twin Gods
16% of 1070 decks +15% synergy
Bloodchief Ascension
16% of 1070 decks +13% synergy
Underworld Dreams
16% of 1070 decks +13% synergy
City on Fire
15% of 837 decks +10% synergy
Asceticism
15% of 89 decks +12% synergy
Roiling Vortex
15% of 1046 decks +13% synergy
Axis of Mortality
14% of 42 decks +14% synergy
Mystic Remora
14% of 64 decks -4% synergy
Spellshock
14% of 1070 decks +13% synergy
No Mercy
14% of 1070 decks +12% synergy
Nature's Chosen
13% of 89 decks +13% synergy
Theater of Horrors
13% of 1064 decks +11% synergy
Polluted Bonds
13% of 1070 decks +12% synergy
Propaganda
12% of 64 decks +1% synergy
Rites of Flourishing
12% of 89 decks +10% synergy
Blind Obedience
12% of 42 decks +5% synergy
Court of Ambition
11% of 1044 decks +10% synergy
The Rollercrusher Ride
11% of 250 decks +9% synergy
Necropotence
11% of 1070 decks +5% synergy
Citadel of Pain
11% of 1070 decks +10% synergy
Animate Dead
10% of 1070 decks +1% synergy
Up the Beanstalk
10% of 49 decks +6% synergy
Sylvan Library
10% of 89 decks -1% synergy
Sanguine Bond
10% of 1070 decks +4% synergy
Rule of Law
10% of 42 decks +8% synergy
Omniscience
9% of 64 decks +7% synergy
Unholy Annex // Ritual Chamber
9% of 232 decks +5% synergy
Planeswalkers
Tyvar, Jubilant Brawler
19% of 68 decks +14% synergy
Ob Nixilis, the Adversary
14% of 996 decks +13% synergy
Chandra, Awakened Inferno
8% of 1057 decks +7% synergy
Tasha, the Witch Queen
6% of 63 decks +5% synergy
Geyadrone Dihada
6% of 64 decks +4% synergy
Chandra, Torch of Defiance
6% of 1070 decks +3% synergy
Angrath, the Flame-Chained
6% of 1070 decks +5% synergy
Utility Lands
Bojuka Bog
37% of 1070 decks +7% synergy
Urborg, Tomb of Yawgmoth
36% of 1070 decks +27% synergy
Reliquary Tower
26% of 1070 decks -4% synergy
Cabal Coffers
25% of 1070 decks +14% synergy
Vault of the Archangel
24% of 42 decks +13% synergy
Boseiju, Who Endures
22% of 79 decks +2% synergy
Rogue's Passage
19% of 1070 decks -1% synergy
Kessig Wolf Run
15% of 89 decks -1% synergy
Temple of the False God
14% of 1070 decks +4% synergy
Ancient Tomb
14% of 1070 decks +3% synergy
Arena of Glory
13% of 345 decks +4% synergy
Restless Fortress
12% of 24 decks +9% synergy
Hall of Heliod's Generosity
12% of 41 decks +5% synergy
Leechridden Swamp
12% of 1070 decks +11% synergy
Castle Locthwain
12% of 1053 decks +6% synergy
Otawara, Soaring City
11% of 64 decks -6% synergy
Lair of the Hydra
10% of 83 decks +8% synergy
Witch's Clinic
9% of 1023 decks +8% synergy
Spinerock Knoll
9% of 1070 decks +5% synergy
Shivan Gorge
8% of 1070 decks +7% synergy
Takenuma, Abandoned Mire
7% of 1000 decks -3% synergy
Shizo, Death's Storehouse
7% of 1070 decks +2% synergy
Maze of Ith
7% of 1070 decks +4% synergy
The Black Gate
6% of 747 decks +2% synergy
Lavaclaw Reaches
6% of 1070 decks +5% synergy
Nykthos, Shrine to Nyx
5% of 1070 decks -0% synergy
Mortuary Mire
5% of 1070 decks +0% synergy
Command Beacon
5% of 1070 decks +0% synergy
Mana Artifacts
Sol Ring
91% of 1070 decks +6% synergy
Arcane Signet
81% of 1053 decks +9% synergy
Rakdos Signet
62% of 1070 decks +32% synergy
Talisman of Indulgence
53% of 1070 decks +27% synergy
Talisman of Dominance
48% of 64 decks +17% synergy
Talisman of Creativity
47% of 64 decks +18% synergy
Orzhov Signet
40% of 42 decks +14% synergy
Boros Signet
33% of 42 decks +10% synergy
Talisman of Hierarchy
32% of 41 decks +7% synergy
Izzet Signet
30% of 64 decks +1% synergy
Fellwar Stone
29% of 1070 decks +8% synergy
Dimir Signet
28% of 64 decks -1% synergy
Talisman of Conviction
24% of 41 decks +1% synergy
Relic of Sauron
23% of 47 decks +12% synergy
Mind Stone
21% of 1070 decks +4% synergy
Commander's Sphere
19% of 1070 decks +4% synergy
Golgari Signet
19% of 89 decks +7% synergy
Gruul Signet
18% of 89 decks +6% synergy
Thought Vessel
16% of 1070 decks -1% synergy
Séance Board
13% of 203 decks +10% synergy
Thran Dynamo
11% of 1070 decks +6% synergy
Charcoal Diamond
10% of 1070 decks +5% synergy
Fire Diamond
10% of 1070 decks +4% synergy
Gilded Lotus
9% of 1070 decks +5% synergy
Chromatic Lantern
9% of 1070 decks -1% synergy
Mana Crypt
8% of 1070 decks +0% synergy
Rakdos Locket
7% of 1064 decks +6% synergy
Obelisk of Grixis
6% of 64 decks +5% synergy
Worn Powerstone
6% of 1070 decks +3% synergy
Rakdos Cluestone
5% of 1070 decks +5% synergy
Cursed Mirror
5% of 1023 decks -0% synergy
Lands
Command Tower
86% of 1070 decks +12% synergy
Dragonskull Summit
66% of 1070 decks +35% synergy
Ziatora's Proving Ground
62% of 79 decks +30% synergy
Blood Crypt
61% of 1070 decks +23% synergy
Overgrown Tomb
60% of 89 decks +17% synergy
Stomping Ground
58% of 89 decks +17% synergy
Smoldering Marsh
58% of 1070 decks +26% synergy
Godless Shrine
55% of 42 decks +14% synergy
Luxury Suite
53% of 1070 decks +26% synergy
Crumbling Necropolis
50% of 64 decks +19% synergy
Temple Garden
50% of 10 decks +10% synergy
Undergrowth Stadium
48% of 88 decks +22% synergy
Savai Triome
48% of 40 decks +21% synergy
Isolated Chapel
45% of 42 decks +18% synergy
Sacred Foundry
45% of 42 decks +9% synergy
Spire Garden
45% of 89 decks +21% synergy
Steam Vents
44% of 64 decks +5% synergy
Nomad Outpost
43% of 42 decks +15% synergy
Sulfurous Springs
43% of 1070 decks +22% synergy
Watery Grave
42% of 64 decks +1% synergy
Foreboding Ruins
41% of 1070 decks +26% synergy
Sunken Hollow
41% of 64 decks +6% synergy
Rootbound Crag
40% of 89 decks +17% synergy
Woodland Cemetery
39% of 89 decks +11% synergy
Haunted Ridge
39% of 1010 decks +23% synergy
Bloodstained Mire
38% of 1070 decks +28% synergy
Savage Lands
38% of 89 decks +15% synergy
Rockfall Vale
38% of 80 decks +15% synergy
Graven Cairns
37% of 1070 decks +29% synergy
Xander's Lounge
36% of 64 decks +9% synergy
Caves of Koilos
36% of 42 decks +8% synergy
Clifftop Retreat
36% of 42 decks +7% synergy
Rakdos Carnarium
35% of 1070 decks +21% synergy
Training Center
33% of 64 decks +5% synergy
Temple of Malice
32% of 1070 decks +17% synergy
Vault of Champions
32% of 38 decks +6% synergy
Tainted Peak
31% of 1070 decks +21% synergy
Battlefield Forge
31% of 42 decks +5% synergy
Indatha Triome
30% of 10 decks -1% synergy
Morphic Pool
30% of 64 decks +4% synergy
Cinder Glade
29% of 89 decks -9% synergy
Blightstep Pathway
29% of 1037 decks +19% synergy
Spectator Seating
29% of 38 decks +4% synergy
Raucous Theater
28% of 488 decks +15% synergy
Deathcap Glade
28% of 79 decks +14% synergy
Mount Doom
27% of 843 decks +19% synergy
Exotic Orchard
26% of 1070 decks -10% synergy
Shadowblood Ridge
24% of 1070 decks +12% synergy
Temple of Silence
24% of 42 decks +6% synergy
Drowned Catacomb
23% of 64 decks -2% synergy