Worldfire + Oblivion Ring + Cauldron Familiar
Worldfire
Oblivion Ring
Cauldron Familiar
Requires
Worldfire must be in hand.
Oblivion Ring must be on the battlefield.
Cauldron Familiar must be in exile (exiled by Oblivion Ring).
Mana needed: 
Steps
- Cast Worldfire, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
- Oblivion Ring triggers, returning Cauldron Familiar from exile to the battlefield.
- Cauldron Familiar enters the battlefield, losing each opponent 1 life and you to gain 1 life.
Results
Each opponent loses the game. Exile all cards in all hands and graveyards. Exile all permanents. Near-infinite lifeloss.
Queen Marchesa
0.02% of 12358 decks
2 decks
Kenrith, the Returned King
0.01% of 21513 decks
2 decks
Shanid, Sleepers' Scourge
0.05% of 2176 decks
1 decks
Jan Jansen, Chaos Crafter
0.02% of 4391 decks
1 decks
Isshin, Two Heavens as One
0.01% of 19643 decks
1 decks
Kaalia of the Vast
0.00% of 20195 decks
1 decks
Jeska, Thrice Reborn // Ravos, Soultender
1.69% of 59 decks
1 decks
Dihada, Binder of Wills
0.01% of 9579 decks
1 decks
Ghen, Arcanum Weaver
0.04% of 2226 decks
1 decks
Megatron, Tyrant
0.03% of 3902 decks
1 decks
Mathas, Fiend Seeker
0.06% of 1579 decks
1 decks
High Synergy Cards
Journey to Nowhere
54% of 13 decks
+53% synergy
Fiend Hunter
54% of 13 decks
+53% synergy
Barren Glory
46% of 13 decks
+46% synergy
Near-Death Experience
46% of 13 decks
+46% synergy
Goblin Chainwhirler
46% of 13 decks
+45% synergy
Touch the Spirit Realm
46% of 13 decks
+44% synergy
Teferi's Protection
62% of 13 decks
+42% synergy
Gibbering Fiend
38% of 13 decks
+38% synergy
Voldaren Epicure
38% of 13 decks
+38% synergy
Emergence Zone
38% of 13 decks
+36% synergy
Top Cards
Smothering Tithe
54% of 13 decks
+29% synergy
Enlightened Tutor
46% of 13 decks
+28% synergy
Silence
38% of 13 decks
+32% synergy
Diabolic Intent
38% of 13 decks
+30% synergy
Phyrexian Arena
38% of 13 decks
+24% synergy
Jeska's Will
38% of 13 decks
+21% synergy
Esper Sentinel
38% of 13 decks
+18% synergy
Dark Ritual
38% of 13 decks
+16% synergy
Path to Exile
38% of 13 decks
-7% synergy
Swords to Plowshares
38% of 13 decks
-24% synergy
Creatures
Leonin Relic-Warder
31% of 13 decks
+30% synergy
Grand Abolisher
31% of 13 decks
+22% synergy
Lumbering Battlement
23% of 13 decks
+23% synergy
Changeling Berserker
23% of 13 decks
+23% synergy
Admonition Angel
23% of 13 decks
+22% synergy
Glorious Protector
23% of 13 decks
+22% synergy
Fanatic of Mogis
23% of 13 decks
+22% synergy
Neheb, Dreadhorde Champion
23% of 13 decks
+22% synergy
Magus of the Wheel
23% of 13 decks
+19% synergy
Dockside Extortionist
23% of 13 decks
+10% synergy
Instants
Vampiric Tutor
62% of 13 decks
+43% synergy
Pyroblast
31% of 13 decks
+24% synergy
Red Elemental Blast
31% of 13 decks
+24% synergy
Crackling Doom
31% of 13 decks
+23% synergy
Kaervek's Spite
23% of 13 decks
+23% synergy
Seething Song
23% of 13 decks
+17% synergy
Sorceries
Demonic Tutor
62% of 13 decks
+39% synergy
Grim Tutor
38% of 13 decks
+34% synergy
Imperial Seal
38% of 13 decks
+33% synergy
Diabolic Tutor
31% of 13 decks
+24% synergy
Farewell
31% of 13 decks
+17% synergy
Apocalypse
23% of 13 decks
+23% synergy
Approach of the Second Sun
23% of 13 decks
+19% synergy
Idyllic Tutor
23% of 13 decks
+18% synergy
Gamble
23% of 13 decks
+13% synergy
Vandalblast
23% of 13 decks
+7% synergy
Damn
23% of 13 decks
+7% synergy
Blasphemous Act
23% of 13 decks
-11% synergy
Utility Artifacts
Mycosynth Lattice
23% of 13 decks
+22% synergy
Vedalken Orrery
23% of 13 decks
+22% synergy
Altar of Dementia
23% of 13 decks
+20% synergy
Enchantments
Parallax Wave
31% of 13 decks
+31% synergy
Black Market Connections
23% of 13 decks
+12% synergy
Utility Lands
Reliquary Tower
31% of 13 decks
+1% synergy
Bojuka Bog
23% of 13 decks
-7% synergy
Mana Artifacts
Sol Ring
92% of 13 decks
+8% synergy
Arcane Signet
77% of 13 decks
+5% synergy
Thran Dynamo
31% of 13 decks
+26% synergy
Chromatic Lantern
31% of 13 decks
+21% synergy
Fellwar Stone
31% of 13 decks
+10% synergy
Chromatic Orrery
23% of 13 decks
+22% synergy
Mana Vault
23% of 13 decks
+17% synergy
Boros Signet
23% of 13 decks
-1% synergy
Orzhov Signet
23% of 13 decks
-4% synergy
Lands
Command Tower
77% of 13 decks
+3% synergy
Savai Triome
62% of 13 decks
+34% synergy
Sacred Foundry
62% of 13 decks
+25% synergy
Blood Crypt
62% of 13 decks
+23% synergy
Godless Shrine
54% of 13 decks
+13% synergy
Marsh Flats
46% of 13 decks
+35% synergy
Luxury Suite
46% of 13 decks
+20% synergy
Nomad Outpost
46% of 13 decks
+18% synergy
Mount Doom
43% of 7 decks
+35% synergy
Arid Mesa
38% of 13 decks
+28% synergy
Myriad Landscape
38% of 13 decks
+19% synergy
Dragonskull Summit
38% of 13 decks
+8% synergy
Bloodstained Mire
31% of 13 decks
+20% synergy
Plateau
31% of 13 decks
+18% synergy
Badlands
31% of 13 decks
+17% synergy
Scrubland
31% of 13 decks
+17% synergy
Spectator Seating
31% of 13 decks
+6% synergy
Vault of Champions
31% of 13 decks
+5% synergy
Shattered Sanctum
23% of 13 decks
+10% synergy
Sundown Pass
23% of 13 decks
+8% synergy
Haunted Ridge
23% of 13 decks
+7% synergy
Temple of Triumph
23% of 13 decks
+6% synergy
Sulfurous Springs
23% of 13 decks
+3% synergy
Evolving Wilds
23% of 13 decks
+2% synergy
Battlefield Forge
23% of 13 decks
-2% synergy
Isolated Chapel
23% of 13 decks
-4% synergy
Clifftop Retreat
23% of 13 decks
-5% synergy
Smoldering Marsh
23% of 13 decks
-9% synergy
Exotic Orchard
23% of 13 decks
-12% synergy