Ob Nixilis, Unshackled + Field of Ruin + Rings of Brighthearth + Crucible of Worlds
Ob Nixilis, Unshackled
Field of Ruin
Rings of Brighthearth
Crucible of Worlds
Requires
Ob Nixilis, Unshackled must be on the battlefield.
Field of Ruin must be on the battlefield.
Rings of Brighthearth must be on the battlefield.
Crucible of Worlds must be on the battlefield.
You must have a land drop available.
Four nonbasic lands under opponents' control.
Mana needed: 
Steps
- Activate Field, targeting a land and triggering Rings of Brighthearth.
- Pay to copy the Field effect, targeting a different land.
- Resolve both triggers and the resulting Ob Nixilis triggers, forcing all opponent to lose 20 life.
- Use Crucible of Worlds to play Field.
- Repeat steps 1-3.
Results
Each opponent loses 40 life.
Ob Nixilis, Unshackled
1.51% of 398 decks
6 decks
Top Cards
Opposition Agent
64% of 14 decks
+61% synergy
Toxic Deluge
53% of 15 decks
+45% synergy
Scheming Symmetry
50% of 14 decks
+49% synergy
Varragoth, Bloodsky Sire
50% of 14 decks
+49% synergy
Ashnod's Altar
47% of 15 decks
+39% synergy
Dark Ritual
47% of 15 decks
+35% synergy
Lightning Greaves
47% of 15 decks
+21% synergy
Maralen of the Mornsong
40% of 15 decks
+40% synergy
Jet Medallion
40% of 15 decks
+37% synergy
Reanimate
40% of 15 decks
+32% synergy
Creatures
Ramunap Excavator
100% of 3 decks
+97% synergy
Dockside Extortionist
75% of 4 decks
+67% synergy
Crypt Ghast
33% of 15 decks
+31% synergy
Tree of Perdition
27% of 15 decks
+26% synergy
Gray Merchant of Asphodel
27% of 15 decks
+22% synergy
Tergrid, God of Fright
21% of 14 decks
+20% synergy
Sower of Discord
20% of 15 decks
+19% synergy
Archfiend of Despair
20% of 15 decks
+19% synergy
Nirkana Revenant
20% of 15 decks
+19% synergy
Archfiend of Depravity
20% of 15 decks
+19% synergy
Blood Artist
20% of 15 decks
+14% synergy
Instants
Enlightened Tutor
100% of 3 decks
+92% synergy
Path to Exile
100% of 3 decks
+80% synergy
Swords to Plowshares
100% of 3 decks
+71% synergy
Vampiric Tutor
53% of 15 decks
+44% synergy
Deadly Rollick
29% of 14 decks
+23% synergy
Cabal Ritual
27% of 15 decks
+24% synergy
Entomb
27% of 15 decks
+23% synergy
Defile
20% of 15 decks
+18% synergy
Tragic Slip
20% of 15 decks
+18% synergy
Go for the Throat
20% of 15 decks
+16% synergy
Sorceries
Demonic Tutor
73% of 15 decks
+62% synergy
Feed the Swarm
36% of 14 decks
+26% synergy
Grim Tutor
33% of 15 decks
+31% synergy
Damnation
33% of 15 decks
+29% synergy
Imperial Seal
27% of 15 decks
+24% synergy
Diabolic Intent
27% of 15 decks
+22% synergy
Bubbling Muck
20% of 15 decks
+19% synergy
Torment of Hailfire
20% of 15 decks
+17% synergy
Read the Bones
20% of 15 decks
+16% synergy
Night's Whisper
20% of 15 decks
+15% synergy
Sign in Blood
20% of 15 decks
+15% synergy
Utility Artifacts
Swiftfoot Boots
33% of 15 decks
+5% synergy
Expedition Map
27% of 15 decks
+23% synergy
Bolas's Citadel
27% of 15 decks
+22% synergy
Sensei's Divining Top
27% of 15 decks
+21% synergy
Wishclaw Talisman
21% of 14 decks
+19% synergy
Animation Module
20% of 15 decks
+20% synergy
Phyrexian Altar
20% of 15 decks
+16% synergy
Enchantments
No Mercy
33% of 15 decks
+32% synergy
Necropotence
27% of 15 decks
+24% synergy
Phyrexian Arena
27% of 15 decks
+19% synergy
Polluted Bonds
20% of 15 decks
+20% synergy
Revel in Riches
20% of 15 decks
+18% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
60% of 15 decks
+50% synergy
Ghost Quarter
47% of 15 decks
+44% synergy
Cabal Coffers
47% of 15 decks
+41% synergy
Glacial Chasm
40% of 15 decks
+39% synergy
Nykthos, Shrine to Nyx
40% of 15 decks
+34% synergy
Reliquary Tower
33% of 15 decks
+4% synergy
Witch's Cottage
29% of 14 decks
+27% synergy
Maze of Ith
27% of 15 decks
+24% synergy
Bojuka Bog
27% of 15 decks
+11% synergy
Castle Locthwain
21% of 14 decks
+19% synergy
Takenuma, Abandoned Mire
21% of 14 decks
+16% synergy
Cabal Stronghold
20% of 15 decks
+18% synergy
Shizo, Death's Storehouse
20% of 15 decks
+18% synergy
Thespian's Stage
20% of 15 decks
+17% synergy
Command Beacon
20% of 15 decks
+15% synergy
Buried Ruin
20% of 15 decks
+15% synergy
Ancient Tomb
20% of 15 decks
+9% synergy
Rogue's Passage
20% of 15 decks
+1% synergy
Mana Artifacts
Sol Ring
93% of 15 decks
+9% synergy
Arcane Signet
50% of 14 decks
-22% synergy
Mana Crypt
33% of 15 decks
+22% synergy
Jeweled Lotus
29% of 14 decks
+21% synergy
Lotus Petal
27% of 15 decks
+20% synergy
Thought Vessel
27% of 15 decks
+10% synergy
Fellwar Stone
27% of 15 decks
+6% synergy
Mana Vault
20% of 15 decks
+14% synergy
Chrome Mox
20% of 15 decks
+14% synergy
Mind Stone
20% of 15 decks
+2% synergy
Lands
Blood Crypt
75% of 4 decks
+66% synergy
Demolition Field
55% of 11 decks
+51% synergy
Command Tower
40% of 15 decks
-34% synergy
Bloodstained Mire
27% of 15 decks
+16% synergy
Polluted Delta
27% of 15 decks
+16% synergy
Marsh Flats
27% of 15 decks
+15% synergy
Fabled Passage
21% of 14 decks
+12% synergy
Wooded Foothills
20% of 15 decks
+10% synergy
Arid Mesa
20% of 15 decks
+9% synergy
Verdant Catacombs
20% of 15 decks
+8% synergy