Chthonian Nightmare + Greedy Freebooter + Shambling Ghast + Semblance Anvil

Chthonian Nightmare
Greedy Freebooter
Shambling Ghast
Semblance Anvil

Requires
Chthonian Nightmare must be in hand. Greedy Freebooter must be on the battlefield. Shambling Ghast must be in the graveyard. Semblance Anvil must be on the battlefield. There is an enchantment card exiled with Semblance Anvil. Mana needed:
Steps
  1. Cast Chthonian Nightmare by paying .
  2. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
  3. Activate Chthonian Nightmare by paying e, sacrificing Greedy Freebooter and returning Chthonian Nightmare from the battlefield to your hand.
  4. When Greedy Freebooter dies, it triggers, causing you to scry 1 and create a Treasure token.
  5. Resolve the Chthonian Nightmare ability, returning Shambling Ghast from your graveyard to the battlefield.
  6. Activate the Treasure by tapping and sacrificing it, adding .
  7. Cast Chthonian Nightmare by paying .
  8. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get eee.
  9. Activate Chthonian Nightmare by paying e, sacrificing Shambling Ghast and returning Chthonian Nightmare from the battlefield to your hand.
  10. When Shambling Ghast dies, it triggers, creating a Treasure token.
  11. Resolve the Chthonian Nightmare ability, returning Greedy Freebooter from your graveyard to the battlefield.
  12. Activate the Treasure by tapping and sacrificing it, adding .
  13. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite scry 1. Infinite storm count. Infinite energy counters.

Acererak the Archlich
0.18% of 1084 decks 2 decks
Garna, the Bloodflame
0.45% of 224 decks 1 decks
Creatures
Thunderscape Familiar
100% of 1 decks +100% synergy
Overeager Apprentice
100% of 3 decks +100% synergy
Priest of Gix
100% of 3 decks +100% synergy
Priest of Urabrask
100% of 1 decks +100% synergy
Ingot Chewer
100% of 1 decks +99% synergy
Oliphaunt
100% of 1 decks +99% synergy
Fury
100% of 1 decks +99% synergy
Reckless Barbarian
100% of 1 decks +99% synergy
Rograkh, Son of Rohgahh
100% of 1 decks +99% synergy
Blood Pet
100% of 3 decks +99% synergy
Impulsive Pilferer
100% of 1 decks +98% synergy
Hoarding Broodlord
100% of 3 decks +98% synergy
Skirk Prospector
100% of 1 decks +97% synergy
Birgi, God of Storytelling
100% of 1 decks +94% synergy
Ragavan, Nimble Pilferer
100% of 1 decks +92% synergy
Mayhem Devil
100% of 1 decks +90% synergy
Dockside Extortionist
100% of 1 decks +87% synergy
Blood Vassal
67% of 3 decks +67% synergy
Concealing Curtains
67% of 3 decks +67% synergy
Eyetwitch
67% of 3 decks +67% synergy
Diamond Mare
67% of 3 decks +67% synergy
Basal Sliver
67% of 3 decks +66% synergy
Activated Sleeper
67% of 3 decks +66% synergy
Defiler of Flesh
67% of 3 decks +66% synergy
Sidisi, Undead Vizier
67% of 3 decks +65% synergy
K'rrik, Son of Yawgmoth
67% of 3 decks +65% synergy
Tinybones, the Pickpocket
67% of 3 decks +64% synergy
Ayara, First of Locthwain
67% of 3 decks +63% synergy
Sheoldred, the Apocalypse
67% of 3 decks +61% synergy
Opposition Agent
67% of 3 decks +59% synergy
Dauthi Voidwalker
67% of 3 decks +58% synergy
Orcish Bowmasters
67% of 3 decks +56% synergy
Black Dragon
33% of 3 decks +33% synergy
Cathodion
33% of 3 decks +33% synergy
Grief
33% of 3 decks +33% synergy
Soldevi Adnate
33% of 3 decks +33% synergy
Street Wraith
33% of 3 decks +33% synergy
Liliana's Standard Bearer
33% of 3 decks +32% synergy
Skirge Familiar
33% of 3 decks +32% synergy
Troll of Khazad-dûm
33% of 3 decks +32% synergy
Ornithopter
33% of 3 decks +31% synergy
Ruthless Technomancer
33% of 3 decks +31% synergy
Shriekmaw
33% of 3 decks +31% synergy
Nightscape Familiar
33% of 3 decks +31% synergy
Stitcher's Supplier
33% of 3 decks +30% synergy
Carrion Feeder
33% of 3 decks +28% synergy
Warren Soultrader
33% of 3 decks +26% synergy
Pitiless Plunderer
33% of 3 decks +26% synergy
Viscera Seer
33% of 3 decks +24% synergy
Instants
Sacrifice
100% of 3 decks +99% synergy
Burnt Offering
100% of 1 decks +98% synergy
Saw in Half
100% of 3 decks +97% synergy
Culling the Weak
100% of 3 decks +96% synergy
Vampiric Tutor
100% of 3 decks +82% synergy
Extirpate
67% of 3 decks +67% synergy
Surgical Extraction
67% of 3 decks +67% synergy
Plunge into Darkness
67% of 3 decks +66% synergy
Cling to Dust
67% of 3 decks +66% synergy
Cremate
67% of 3 decks +66% synergy
Shred Memory
67% of 3 decks +66% synergy
Snuff Out
67% of 3 decks +64% synergy
Dismember
67% of 3 decks +64% synergy
Imp's Mischief
67% of 3 decks +64% synergy
Demonic Consultation
67% of 3 decks +63% synergy
Cabal Ritual
67% of 3 decks +62% synergy
Malakir Rebirth
67% of 3 decks +58% synergy
Dark Ritual
67% of 3 decks +44% synergy
Body Count
33% of 3 decks +33% synergy
Mausoleum Secrets
33% of 3 decks +33% synergy
Songs of the Damned
33% of 3 decks +32% synergy
Cut Down
33% of 3 decks +32% synergy
Entomb
33% of 3 decks +26% synergy
Deadly Dispute
33% of 3 decks +22% synergy
Sorceries
Imperial Seal
100% of 3 decks +94% synergy
Gamble
100% of 1 decks +90% synergy
Reanimate
100% of 3 decks +84% synergy
Faithless Looting
100% of 1 decks +83% synergy
Jeska's Will
100% of 1 decks +82% synergy
Demonic Tutor
100% of 3 decks +78% synergy
Dark Petition
67% of 3 decks +66% synergy
Beseech the Queen
67% of 3 decks +66% synergy
Yawgmoth's Will
67% of 3 decks +65% synergy
Scheming Symmetry
67% of 3 decks +65% synergy
Praetor's Grasp
67% of 3 decks +64% synergy
Beseech the Mirror
67% of 3 decks +62% synergy
Grim Tutor
67% of 3 decks +62% synergy
Toxic Deluge
67% of 3 decks +49% synergy
Peer into the Abyss
33% of 3 decks +30% synergy
Buried Alive
33% of 3 decks +28% synergy
Utility Artifacts
Bontu's Monument
100% of 3 decks +98% synergy
Jet Medallion
100% of 3 decks +97% synergy
Prism Ring
67% of 3 decks +67% synergy
Demon's Horn
67% of 3 decks +66% synergy
Helm of Awakening
67% of 3 decks +66% synergy
Defense Grid
67% of 3 decks +66% synergy
Urza's Incubator
67% of 3 decks +64% synergy
Wishclaw Talisman
67% of 3 decks +61% synergy
Hazoret's Monument
33% of 3 decks +32% synergy
Ruby Medallion
33% of 3 decks +31% synergy
Altar of Dementia
33% of 3 decks +31% synergy
Phyrexian Altar
33% of 3 decks +29% synergy
Ashnod's Altar
33% of 3 decks +26% synergy
Skullclamp
33% of 3 decks +21% synergy
Enchantments
Dance of the Dead
100% of 3 decks +98% synergy
Underworld Breach
100% of 1 decks +94% synergy
Goblin Bombardment
100% of 1 decks +94% synergy
Animate Dead
100% of 3 decks +91% synergy
Carnival of Souls
67% of 3 decks +66% synergy
Heartless Summoning
67% of 3 decks +66% synergy
Necromancy
33% of 3 decks +30% synergy
Utility Lands
Phyrexian Tower
100% of 3 decks +92% synergy
Urborg, Tomb of Yawgmoth
100% of 3 decks +90% synergy
Ancient Tomb
100% of 3 decks +89% synergy
Lake of the Dead
67% of 3 decks +66% synergy
Emergence Zone
67% of 3 decks +64% synergy
Spymaster's Vault
67% of 3 decks +63% synergy
Command Beacon
67% of 3 decks +62% synergy
City of Traitors
33% of 3 decks +32% synergy
Urza's Saga
33% of 3 decks +26% synergy
Mana Artifacts
Lion's Eye Diamond
100% of 3 decks +98% synergy
Chrome Mox
100% of 3 decks +94% synergy
Mana Vault
100% of 3 decks +94% synergy
Fellwar Stone
100% of 3 decks +79% synergy
Talisman of Indulgence
100% of 1 decks +74% synergy
Arcane Signet
100% of 3 decks +28% synergy
Sol Ring
100% of 3 decks +16% synergy
Jeweled Amulet
67% of 3 decks +66% synergy
Relic of Legends
67% of 3 decks +64% synergy
Lotus Petal
67% of 3 decks +60% synergy
Mox Opal
33% of 3 decks +29% synergy
Mana Crypt
33% of 3 decks +24% synergy
Lands
Gemstone Caverns
100% of 3 decks +95% synergy
Badlands
100% of 1 decks +86% synergy
Sulfurous Springs
100% of 1 decks +80% synergy
Luxury Suite
100% of 1 decks +74% synergy
Blood Crypt
100% of 1 decks +61% synergy
Spire of Industry
33% of 3 decks +30% synergy
Cavern of Souls
33% of 3 decks +27% synergy
Mana Confluence
33% of 3 decks +26% synergy
City of Brass
33% of 3 decks +25% synergy
Wooded Foothills
33% of 3 decks +23% synergy
Bloodstained Mire
33% of 3 decks +23% synergy
Arid Mesa
33% of 3 decks +23% synergy
Scalding Tarn
33% of 3 decks +22% synergy
Polluted Delta
33% of 3 decks +22% synergy
Marsh Flats
33% of 3 decks +22% synergy
Exotic Orchard
33% of 3 decks -2% synergy
Command Tower
33% of 3 decks -41% synergy