Xathrid Demon + Serra Avatar

Xathrid Demon
Serra Avatar

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

Astarion, the Decadent
0.08% of 3814 decks 3 decks
Oloro, Ageless Ascetic
0.02% of 12127 decks 3 decks
Kaalia of the Vast
0.01% of 20195 decks 2 decks
Licia, Sanguine Tribune
0.04% of 2614 decks 1 decks
Ayli, Eternal Pilgrim
0.09% of 1124 decks 1 decks
Ravos, Soultender // Sengir, the Dark Baron
4.00% of 25 decks 1 decks
Teysa, Orzhov Scion
0.04% of 2675 decks 1 decks
Teysa, Envoy of Ghosts
0.16% of 611 decks 1 decks
Queza, Augur of Agonies
0.02% of 6366 decks 1 decks
Eriette of the Charmed Apple
0.01% of 13155 decks 1 decks
High Synergy Cards
Vito, Thorn of the Dusk Rose
64% of 14 decks +59% synergy
Counterspell
100% of 4 decks +57% synergy
Sanguine Bond
60% of 15 decks +54% synergy
Marauding Blight-Priest
50% of 14 decks +47% synergy
Astarion, the Decadent
46% of 13 decks +44% synergy
Vizkopa Guildmage
47% of 15 decks +44% synergy
Exquisite Blood
47% of 15 decks +42% synergy
Kaya, Intangible Slayer
40% of 10 decks +38% synergy
Greed
40% of 15 decks +38% synergy
Stroke of Midnight
50% of 8 decks +38% synergy
Top Cards
Swords to Plowshares
80% of 15 decks +17% synergy
Path to Exile
60% of 15 decks +15% synergy
Kambal, Consul of Allocation
40% of 15 decks +34% synergy
Dark Ritual
40% of 15 decks +18% synergy
Elas il-Kor, Sadistic Pilgrim
38% of 13 decks +27% synergy
Soul of Eternity
36% of 14 decks +35% synergy
Heliod, Sun-Crowned
36% of 14 decks +32% synergy
Venser's Journal
33% of 15 decks +32% synergy
Debt to the Deathless
33% of 15 decks +30% synergy
Return to Dust
33% of 15 decks +29% synergy
Creatures
Will, Scion of Peace
100% of 3 decks +99% synergy
Kambal, Profiteering Mayor
60% of 5 decks +50% synergy
Amalia Benavides Aguirre
43% of 7 decks +40% synergy
Sun Titan
33% of 15 decks +23% synergy
Indulging Patrician
29% of 14 decks +27% synergy
Defiant Bloodlord
27% of 15 decks +26% synergy
Teysa, Envoy of Ghosts
27% of 15 decks +25% synergy
Suture Priest
27% of 15 decks +23% synergy
Grand Abolisher
27% of 15 decks +18% synergy
Voice of the Blessed
23% of 13 decks +22% synergy
Witch of the Moors
21% of 14 decks +20% synergy
Angel of the Dire Hour
20% of 15 decks +20% synergy
Wall of Blood
20% of 15 decks +20% synergy
Archfiend of Despair
20% of 15 decks +19% synergy
Archangel of Tithes
20% of 15 decks +19% synergy
Drana's Emissary
20% of 15 decks +18% synergy
Cliffhaven Vampire
20% of 15 decks +18% synergy
Avacyn, Angel of Hope
20% of 15 decks +16% synergy
Gray Merchant of Asphodel
20% of 15 decks +11% synergy
Blood Artist
20% of 15 decks +8% synergy
Instants
Void Rend
75% of 4 decks +60% synergy
Dovin's Veto
75% of 4 decks +56% synergy
Negate
75% of 4 decks +52% synergy
Vanishing Verse
21% of 14 decks +20% synergy
Beacon of Immortality
20% of 15 decks +19% synergy
Go for the Throat
20% of 15 decks +13% synergy
Vampiric Tutor
20% of 15 decks +2% synergy
Sorceries
Diabolic Tutor
33% of 15 decks +27% synergy
Ondu Inversion
21% of 14 decks +19% synergy
Grim Tutor
20% of 15 decks +15% synergy
Wrath of God
20% of 15 decks +13% synergy
Read the Bones
20% of 15 decks +12% synergy
Toxic Deluge
20% of 15 decks +3% synergy
Demonic Tutor
20% of 15 decks -2% synergy
Utility Artifacts
Tithing Blade
43% of 7 decks +41% synergy
Quietus Spike
27% of 15 decks +26% synergy
Aetherflux Reservoir
27% of 15 decks +23% synergy
Bolas's Citadel
27% of 15 decks +17% synergy
The Book of Exalted Deeds
23% of 13 decks +22% synergy
Elixir of Immortality
20% of 15 decks +18% synergy
Enchantments
Leyline of Anticipation
75% of 4 decks +70% synergy
Propaganda
75% of 4 decks +63% synergy
Case of the Uneaten Feast
50% of 6 decks +49% synergy
Cleric Class
31% of 13 decks +28% synergy
Necropotence
27% of 15 decks +21% synergy
Ghostly Prison
27% of 15 decks +15% synergy
Phyrexian Arena
27% of 15 decks +12% synergy
Smothering Tithe
27% of 15 decks +2% synergy
Ashes of the Abhorrent
20% of 15 decks +20% synergy
Karmic Justice
20% of 15 decks +19% synergy
Planeswalkers
Narset, Parter of Veils
75% of 4 decks +70% synergy
Teferi, Time Raveler
75% of 4 decks +68% synergy
Ashiok, Wicked Manipulator
38% of 8 decks +37% synergy
Utility Lands
Restless Fortress
38% of 8 decks +34% synergy
Rogue's Passage
33% of 15 decks +14% synergy
Takenuma, Abandoned Mire
23% of 13 decks +12% synergy
Mortuary Mire
20% of 15 decks +15% synergy
Temple of the False God
20% of 15 decks +10% synergy
Urborg, Tomb of Yawgmoth
20% of 15 decks +10% synergy
Vault of the Archangel
20% of 15 decks +9% synergy
Reliquary Tower
20% of 15 decks -9% synergy
Mana Artifacts
Arcane Signet
80% of 15 decks +8% synergy
Sol Ring
73% of 15 decks -11% synergy
Orzhov Signet
40% of 15 decks +13% synergy
Chromatic Lantern
27% of 15 decks +17% synergy
Fellwar Stone
27% of 15 decks +6% synergy
Talisman of Hierarchy
27% of 15 decks +2% synergy
Chrome Mox
20% of 15 decks +14% synergy
Commander's Sphere
20% of 15 decks +5% synergy
Lands
Command Tower
73% of 15 decks -1% synergy
Orzhov Basilica
33% of 15 decks +17% synergy
Temple of Silence
33% of 15 decks +15% synergy
Isolated Chapel
33% of 15 decks +6% synergy
Caves of Koilos
33% of 15 decks +5% synergy
Shineshadow Snarl
29% of 14 decks +16% synergy
Orzhov Guildgate
20% of 15 decks +15% synergy
Scoured Barrens
20% of 15 decks +11% synergy
Tainted Field
20% of 15 decks +7% synergy
Evolving Wilds
20% of 15 decks -1% synergy
Exotic Orchard
20% of 15 decks -16% synergy