Xathrid Demon + Soul of Eternity

Xathrid Demon
Soul of Eternity

Requires
Xathrid Demon must be on the battlefield. Soul of Eternity must be on the battlefield.
Steps
  1. At the beginning of your upkeep, Xathrid Demon triggers, causing you to sacrifice Soul of Eternity and causing each opponent to lose life equal to Soul of Eternity's power.
  2. Each opponent loses the game due to having zero or less life.
Results
Each opponent loses the game. Near-infinite lifeloss.

Firja, Judge of Valor
0.15% of 1310 decks 2 decks
Oloro, Ageless Ascetic
0.01% of 13729 decks 2 decks
Atogatog
0.07% of 1438 decks 1 decks
Anafenza, the Foremost
0.09% of 1151 decks 1 decks
Liesa, Shroud of Dusk
0.01% of 9866 decks 1 decks
Teysa, Envoy of Ghosts
0.15% of 689 decks 1 decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.05% of 1971 decks 1 decks
Teysa, Orzhov Scion
0.03% of 3091 decks 1 decks
Kambal, Consul of Allocation
0.05% of 2211 decks 1 decks
Eriette of the Charmed Apple
0.01% of 16447 decks 1 decks
Queza, Augur of Agonies
0.01% of 6949 decks 1 decks
Sivriss, Nightmare Speaker // Far Traveler
2.94% of 34 decks 1 decks
Ayli, Eternal Pilgrim
0.07% of 1381 decks 1 decks
High Synergy Cards
Serra Avatar
60% of 15 decks +60% synergy
Vizkopa Guildmage
60% of 15 decks +58% synergy
Sanguine Bond
53% of 15 decks +48% synergy
Beacon of Immortality
47% of 15 decks +46% synergy
Exquisite Blood
47% of 15 decks +41% synergy
Vito, Thorn of the Dusk Rose
47% of 15 decks +41% synergy
Vault of the Archangel
47% of 15 decks +35% synergy
Starscape Cleric
36% of 11 decks +35% synergy
Revival // Revenge
33% of 15 decks +32% synergy
Wound Reflection
33% of 15 decks +32% synergy
Top Cards
Swords to Plowshares
53% of 15 decks -9% synergy
Marauding Blight-Priest
33% of 15 decks +31% synergy
Aetherflux Reservoir
33% of 15 decks +30% synergy
Elas il-Kor, Sadistic Pilgrim
33% of 15 decks +23% synergy
Enduring Angel
27% of 15 decks +26% synergy
Warlock Class
27% of 15 decks +26% synergy
Tainted Sigil
27% of 15 decks +26% synergy
Shard of the Nightbringer
27% of 15 decks +26% synergy
Cliffhaven Vampire
27% of 15 decks +25% synergy
Greed
27% of 15 decks +25% synergy
Game Changers
Ad Nauseam
20% of 15 decks +17% synergy
Bolas's Citadel
20% of 15 decks +11% synergy
Vampiric Tutor
20% of 15 decks +3% synergy
Creatures
Drogskol Reaver
60% of 5 decks +58% synergy
Enduring Tenacity
27% of 11 decks +24% synergy
Catapult Fodder
20% of 15 decks +20% synergy
Disciple of Griselbrand
20% of 15 decks +20% synergy
Wall of Blood
20% of 15 decks +20% synergy
Epicure of Blood
20% of 15 decks +19% synergy
Children of Korlis
20% of 15 decks +19% synergy
Defiant Bloodlord
20% of 15 decks +19% synergy
Drana's Emissary
20% of 15 decks +19% synergy
Eldrazi Displacer
20% of 15 decks +19% synergy
Rhox Faithmender
20% of 15 decks +18% synergy
Felidar Sovereign
20% of 15 decks +18% synergy
Soul's Attendant
20% of 15 decks +17% synergy
Corpse Knight
20% of 15 decks +14% synergy
Syr Konrad, the Grim
20% of 15 decks +11% synergy
Sun Titan
20% of 15 decks +11% synergy
Blood Artist
20% of 15 decks +8% synergy
Instants
Despark
27% of 15 decks +12% synergy
Generous Gift
27% of 15 decks +2% synergy
Dark Ritual
20% of 15 decks -3% synergy
Sorceries
Exsanguinate
27% of 15 decks +21% synergy
Peer into the Abyss
20% of 15 decks +17% synergy
Debt to the Deathless
20% of 15 decks +17% synergy
Diabolic Tutor
20% of 15 decks +14% synergy
Utility Artifacts
Wayfarer's Bauble
27% of 15 decks +17% synergy
Cosmos Elixir
20% of 15 decks +19% synergy
Well of Lost Dreams
20% of 15 decks +18% synergy
Sensei's Divining Top
20% of 15 decks +15% synergy
Enchantments
Dying Wish
20% of 15 decks +20% synergy
Feast of Sanity
20% of 15 decks +20% synergy
Phyrexian Arena
20% of 15 decks +4% synergy
Planeswalkers
Sorin, Vengeful Bloodlord
20% of 15 decks +18% synergy
Utility Lands
Bojuka Bog
27% of 15 decks -3% synergy
Urborg, Tomb of Yawgmoth
20% of 15 decks +11% synergy
Rogue's Passage
20% of 15 decks +0% synergy
Reliquary Tower
20% of 15 decks -10% synergy
Mana Artifacts
Arcane Signet
80% of 15 decks +8% synergy
Sol Ring
80% of 15 decks -4% synergy
Talisman of Progress
60% of 5 decks +36% synergy
Orzhov Signet
60% of 15 decks +33% synergy
Talisman of Dominance
60% of 5 decks +28% synergy
Fellwar Stone
47% of 15 decks +26% synergy
Talisman of Hierarchy
40% of 15 decks +15% synergy
Chromatic Lantern
20% of 15 decks +11% synergy
Lands
Arcane Sanctum
80% of 5 decks +52% synergy
Command Tower
73% of 15 decks -1% synergy
Glacial Fortress
60% of 5 decks +32% synergy
Temple of Silence
47% of 15 decks +28% synergy
Orzhov Basilica
33% of 15 decks +17% synergy
Caves of Koilos
33% of 15 decks +4% synergy
Isolated Chapel
33% of 15 decks +4% synergy
Exotic Orchard
33% of 15 decks -3% synergy
Shineshadow Snarl
27% of 15 decks +14% synergy
Fabled Passage
20% of 15 decks +11% synergy
Scoured Barrens
20% of 15 decks +11% synergy
Tainted Field
20% of 15 decks +6% synergy
Terramorphic Expanse
20% of 15 decks +4% synergy
Evolving Wilds
20% of 15 decks -1% synergy
Path of Ancestry
20% of 15 decks -2% synergy
Godless Shrine
20% of 15 decks -20% synergy