Worldfire + Vedalken Orrery + Cauldron Familiar

Worldfire
Vedalken Orrery
Cauldron Familiar

Requires
Worldfire must be in hand. Vedalken Orrery must be on the battlefield. Cauldron Familiar must be in hand. Mana needed: 6
Steps
  1. Cast Cauldron Familiar by paying .
  2. When Cauldron Familiar enters the battlefield, it triggers.
  3. Holding priority, cast Worldfire by paying 6, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
  4. Resolve the Voldran Epicure trigger from step 2, causing each opponent to lose 1 life and you to gain 1 life.
  5. Each opponent loses the game due to having 0 or less life.
Results
Each opponent loses the game. Exile all cards in all hands and graveyards. Exile all permanents. Near-infinite lifeloss.

The Infamous Cruelclaw
0.07% of 4155 decks 3 decks
Queen Marchesa
0.01% of 12358 decks 1 decks
Yurlok of Scorch Thrash
0.02% of 6101 decks 1 decks
Kenrith, the Returned King
0.00% of 21513 decks 1 decks
Jenson Carthalion, Druid Exile
0.04% of 2454 decks 1 decks
Rakdos, the Showstopper
0.08% of 1230 decks 1 decks
Florian, Voldaren Scion
0.09% of 1143 decks 1 decks
Cecily, Haunted Mage
0.22% of 445 decks 1 decks
Megatron, Tyrant
0.03% of 3902 decks 1 decks
High Synergy Cards
Teferi's Protection
100% of 4 decks +80% synergy
Emergence Zone
82% of 11 decks +79% synergy
Voldaren Epicure
45% of 11 decks +45% synergy
Chandra, Awakened Inferno
45% of 11 decks +44% synergy
Blood for the Blood God!
44% of 9 decks +41% synergy
Jeska's Will
55% of 11 decks +37% synergy
End the Festivities
36% of 11 decks +34% synergy
Kaya's Ghostform
36% of 11 decks +32% synergy
Reliquary Tower
55% of 11 decks +25% synergy
Dark Ritual
45% of 11 decks +23% synergy
Top Cards
Phyrexian Arena
36% of 11 decks +22% synergy
Mind Stone
36% of 11 decks +19% synergy
Swiftfoot Boots
36% of 11 decks +9% synergy
Creatures
Worldgorger Dragon
27% of 11 decks +27% synergy
Mogis, God of Slaughter
27% of 11 decks +25% synergy
Instants
Mystical Tutor
100% of 3 decks +85% synergy
Enlightened Tutor
75% of 4 decks +57% synergy
Vampiric Tutor
55% of 11 decks +36% synergy
Rakdos Charm
27% of 11 decks +13% synergy
Chaos Warp
27% of 11 decks -5% synergy
Sorceries
Cultivate
100% of 3 decks +54% synergy
Decree of Pain
27% of 11 decks +25% synergy
Vandalblast
27% of 11 decks +11% synergy
Demonic Tutor
27% of 11 decks +5% synergy
Blasphemous Act
27% of 11 decks -6% synergy
Utility Artifacts
Scroll Rack
27% of 11 decks +26% synergy
Enchantments
Leyline of Anticipation
100% of 3 decks +95% synergy
Journey to Nowhere
75% of 4 decks +75% synergy
Oblivion Ring
75% of 4 decks +74% synergy
Touch the Spirit Realm
75% of 4 decks +73% synergy
Utility Lands
Bojuka Bog
45% of 11 decks +15% synergy
Sunscorched Desert
27% of 11 decks +27% synergy
Shivan Gorge
27% of 11 decks +26% synergy
Rogue's Passage
27% of 11 decks +8% synergy
Mana Artifacts
Arcane Signet
100% of 11 decks +28% synergy
Sol Ring
91% of 11 decks +6% synergy
Rakdos Signet
36% of 11 decks +7% synergy
Chromatic Orrery
27% of 11 decks +26% synergy
Thran Dynamo
27% of 11 decks +22% synergy
Chromatic Lantern
27% of 11 decks +18% synergy
Fellwar Stone
27% of 11 decks +6% synergy
Lands
Command Tower
91% of 11 decks +17% synergy
Sacred Foundry
75% of 4 decks +39% synergy
Godless Shrine
75% of 4 decks +34% synergy
Luxury Suite
64% of 11 decks +37% synergy
Blood Crypt
64% of 11 decks +25% synergy
Myriad Landscape
55% of 11 decks +35% synergy
Dragonskull Summit
55% of 11 decks +24% synergy
Haunted Ridge
45% of 11 decks +30% synergy
Smoldering Marsh
45% of 11 decks +13% synergy
Sulfurous Springs
36% of 11 decks +16% synergy
Bloodstained Mire
27% of 11 decks +17% synergy
Arid Mesa
27% of 11 decks +17% synergy
Marsh Flats
27% of 11 decks +16% synergy
Temple of Malice
27% of 11 decks +13% synergy
Terramorphic Expanse
27% of 11 decks +12% synergy
Exotic Orchard
27% of 11 decks -8% synergy