Xathrid Demon + Serra Avatar

Xathrid Demon
Serra Avatar

Requires
Xathrid Demon must be on the battlefield. Serra Avatar must be on the battlefield.
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.

Oloro, Ageless Ascetic
0.04% of 13600 decks 5 decks
Astarion, the Decadent
0.04% of 4895 decks 2 decks
Kaalia of the Vast
0.01% of 24465 decks 2 decks
Anafenza, the Foremost
0.09% of 1153 decks 1 decks
Esika, God of the Tree
0.01% of 19479 decks 1 decks
Teysa, Orzhov Scion
0.03% of 3063 decks 1 decks
Queza, Augur of Agonies
0.01% of 6965 decks 1 decks
Ravos, Soultender // Sengir, the Dark Baron
3.70% of 27 decks 1 decks
Teysa, Envoy of Ghosts
0.15% of 675 decks 1 decks
Liesa, Shroud of Dusk
0.01% of 9867 decks 1 decks
Eriette of the Charmed Apple
0.01% of 16245 decks 1 decks
Ayli, Eternal Pilgrim
0.07% of 1370 decks 1 decks
Licia, Sanguine Tribune
0.04% of 2781 decks 1 decks
Sivriss, Nightmare Speaker // Far Traveler
2.94% of 34 decks 1 decks
New Cards
Krumar Initiate
100% of 1 decks +100% synergy
High Synergy Cards
Will, Scion of Peace
67% of 6 decks +66% synergy
Sanguine Bond
60% of 20 decks +54% synergy
Vizkopa Guildmage
55% of 20 decks +53% synergy
Vito, Thorn of the Dusk Rose
55% of 20 decks +50% synergy
Marauding Blight-Priest
50% of 20 decks +47% synergy
Soul of Eternity
45% of 20 decks +45% synergy
Void Rend
57% of 7 decks +43% synergy
Exquisite Blood
45% of 20 decks +40% synergy
Negate
57% of 7 decks +35% synergy
Greed
35% of 20 decks +33% synergy
Top Cards
Swords to Plowshares
80% of 20 decks +17% synergy
Counterspell
71% of 7 decks +29% synergy
Path to Exile
45% of 20 decks -2% synergy
Elas il-Kor, Sadistic Pilgrim
40% of 20 decks +30% synergy
Dark Ritual
35% of 20 decks +12% synergy
Astarion, the Decadent
30% of 20 decks +28% synergy
Debt to the Deathless
30% of 20 decks +27% synergy
Kambal, Consul of Allocation
30% of 20 decks +25% synergy
Diabolic Tutor
30% of 20 decks +24% synergy
Despark
30% of 20 decks +15% synergy
Game Changers
Rhystic Study
43% of 7 decks +16% synergy
Bolas's Citadel
25% of 20 decks +16% synergy
Smothering Tithe
20% of 20 decks -4% synergy
Ad Nauseam
15% of 20 decks +12% synergy
Chrome Mox
15% of 20 decks +9% synergy
The One Ring
15% of 20 decks +7% synergy
Vampiric Tutor
15% of 20 decks -2% synergy
Demonic Tutor
15% of 20 decks -6% synergy
Creatures
Drogskol Reaver
43% of 7 decks +41% synergy
Starscape Cleric
33% of 9 decks +32% synergy
Voice of the Blessed
25% of 20 decks +24% synergy
Witch of the Moors
25% of 20 decks +24% synergy
Drana's Emissary
25% of 20 decks +24% synergy
Cliffhaven Vampire
25% of 20 decks +23% synergy
Heliod, Sun-Crowned
25% of 20 decks +22% synergy
Suture Priest
25% of 20 decks +22% synergy
Sun Titan
25% of 20 decks +15% synergy
Amalia Benavides Aguirre
24% of 17 decks +22% synergy
Kambal, Profiteering Mayor
21% of 14 decks +15% synergy
Wall of Blood
20% of 20 decks +20% synergy
Defiant Bloodlord
20% of 20 decks +19% synergy
Teysa, Envoy of Ghosts
20% of 20 decks +19% synergy
Rhox Faithmender
20% of 20 decks +18% synergy
Indulging Patrician
20% of 20 decks +18% synergy
Felidar Sovereign
20% of 20 decks +18% synergy
Gray Merchant of Asphodel
20% of 20 decks +11% synergy
Grand Abolisher
20% of 20 decks +11% synergy
Blood Artist
20% of 20 decks +8% synergy
Catapult Fodder
15% of 20 decks +15% synergy
Enduring Angel
15% of 20 decks +15% synergy
Angel of the Dire Hour
15% of 20 decks +15% synergy
Children of Korlis
15% of 20 decks +14% synergy
Shard of the Nightbringer
15% of 20 decks +14% synergy
Ajani's Pridemate
15% of 20 decks +14% synergy
Eldrazi Displacer
15% of 20 decks +14% synergy
Archangel of Tithes
15% of 20 decks +13% synergy
Daxos, Blessed by the Sun
15% of 20 decks +13% synergy
Avacyn, Angel of Hope
15% of 20 decks +11% synergy
Instants
Dovin's Veto
43% of 7 decks +25% synergy
Beacon of Immortality
25% of 20 decks +24% synergy
Return to Dust
25% of 20 decks +21% synergy
Stroke of Midnight
21% of 19 decks +11% synergy
Generous Gift
20% of 20 decks -5% synergy
Vanishing Verse
15% of 20 decks +13% synergy
Go for the Throat
15% of 20 decks +8% synergy
Mortify
15% of 20 decks +3% synergy
Sorceries
Revival // Revenge
20% of 20 decks +19% synergy
Fumigate
20% of 20 decks +17% synergy
Ondu Inversion
15% of 20 decks +13% synergy
Grim Tutor
15% of 20 decks +11% synergy
Exsanguinate
15% of 20 decks +9% synergy
Wrath of God
15% of 20 decks +9% synergy
Read the Bones
15% of 20 decks +8% synergy
Toxic Deluge
15% of 20 decks -3% synergy
Utility Artifacts
Venser's Journal
25% of 20 decks +24% synergy
Aetherflux Reservoir
25% of 20 decks +21% synergy
Commander's Sphere
25% of 20 decks +10% synergy
Tainted Sigil
20% of 20 decks +19% synergy
Elixir of Immortality
20% of 20 decks +19% synergy
Swiftfoot Boots
20% of 20 decks -8% synergy
Tithing Blade
18% of 17 decks +17% synergy
Quietus Spike
15% of 20 decks +14% synergy
The Book of Exalted Deeds
15% of 20 decks +14% synergy
Well of Lost Dreams
15% of 20 decks +13% synergy
Alhammarret's Archive
15% of 20 decks +13% synergy
Sensei's Divining Top
15% of 20 decks +10% synergy
Mind Stone
15% of 20 decks -2% synergy
Lightning Greaves
15% of 20 decks -10% synergy
Enchantments
Leyline of Anticipation
43% of 7 decks +39% synergy
Propaganda
43% of 7 decks +31% synergy
Cleric Class
25% of 20 decks +23% synergy
Phyrexian Arena
25% of 20 decks +9% synergy
Case of the Uneaten Feast
21% of 14 decks +21% synergy
Necropotence
20% of 20 decks +15% synergy
Ghostly Prison
20% of 20 decks +9% synergy
Sunbond
15% of 20 decks +15% synergy
Ashes of the Abhorrent
15% of 20 decks +15% synergy
Warlock Class
15% of 20 decks +14% synergy
Karmic Justice
15% of 20 decks +14% synergy
Wound Reflection
15% of 20 decks +13% synergy
Planeswalkers
Narset, Parter of Veils
43% of 7 decks +38% synergy
Teferi, Time Raveler
43% of 7 decks +36% synergy
Kaya, Intangible Slayer
20% of 20 decks +19% synergy
Ashiok, Wicked Manipulator
16% of 19 decks +16% synergy
Utility Lands
Vault of the Archangel
35% of 20 decks +24% synergy
Rogue's Passage
25% of 20 decks +5% synergy
Reliquary Tower
20% of 20 decks -10% synergy
Bojuka Bog
20% of 20 decks -10% synergy
Restless Fortress
16% of 19 decks +13% synergy
Mortuary Mire
15% of 20 decks +10% synergy
Urborg, Tomb of Yawgmoth
15% of 20 decks +6% synergy
Temple of the False God
15% of 20 decks +5% synergy
Takenuma, Abandoned Mire
15% of 20 decks +5% synergy
Mana Artifacts
Arcane Signet
85% of 20 decks +13% synergy
Sol Ring
80% of 20 decks -4% synergy
Orzhov Signet
45% of 20 decks +18% synergy
Chromatic Lantern
35% of 20 decks +26% synergy
Fellwar Stone
35% of 20 decks +14% synergy
Talisman of Hierarchy
30% of 20 decks +5% synergy
Pristine Talisman
15% of 20 decks +14% synergy
Lands
Command Tower
80% of 20 decks +6% synergy
Arcane Sanctum
57% of 7 decks +29% synergy
Orzhov Basilica
40% of 20 decks +24% synergy
Temple of Silence
40% of 20 decks +22% synergy
Caves of Koilos
40% of 20 decks +11% synergy
Scoured Barrens
30% of 20 decks +21% synergy
Shineshadow Snarl
30% of 20 decks +17% synergy
Evolving Wilds
30% of 20 decks +9% synergy
Isolated Chapel
30% of 20 decks +1% synergy
Exotic Orchard
30% of 20 decks -6% synergy
Godless Shrine
20% of 20 decks -20% synergy
Obscura Storefront
15% of 20 decks +14% synergy
Brightclimb Pathway
15% of 20 decks +5% synergy
Tainted Field
15% of 20 decks +1% synergy
Myriad Landscape
15% of 20 decks -4% synergy
Path of Ancestry
15% of 20 decks -7% synergy
Vault of Champions
15% of 20 decks -11% synergy