Chthonian Nightmare + Greedy Freebooter + Shambling Ghast + Thunderscape Familiar

Chthonian Nightmare
Greedy Freebooter
Shambling Ghast
Thunderscape Familiar

Requires
Chthonian Nightmare must be in hand. Greedy Freebooter must be on the battlefield. Shambling Ghast must be in the graveyard. Thunderscape Familiar must be on the battlefield. 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.

Rakdos, the Muscle
0.58% of 2907 decks 17 decks
Garna, the Bloodflame
0.90% of 223 decks 2 decks
Ob Nixilis, Captive Kingpin
0.01% of 8248 decks 1 decks
New Cards
Ozox, the Clattering King
82% of 11 decks +79% synergy
Withering Torment
62% of 16 decks +23% synergy
Untimely Malfunction
56% of 16 decks +33% synergy
Blazemire Verge
19% of 16 decks -22% synergy
Popular Egotist
19% of 16 decks +18% synergy
High Synergy Cards
Priest of Gix
95% of 20 decks +93% synergy
Ingot Chewer
95% of 20 decks +92% synergy
Reckless Barbarian
95% of 20 decks +92% synergy
Skittering Precursor
89% of 19 decks +88% synergy
Priest of Urabrask
90% of 20 decks +88% synergy
Impulsive Pilferer
95% of 20 decks +88% synergy
Shriekmaw
90% of 20 decks +86% synergy
Burnt Offering
90% of 20 decks +85% synergy
Sacrifice
85% of 20 decks +83% synergy
Songs of the Damned
85% of 20 decks +83% synergy
Top Cards
Ashnod's Altar
95% of 20 decks +83% synergy
Dark Ritual
95% of 20 decks +56% synergy
Jet Medallion
85% of 20 decks +81% synergy
Warren Soultrader
85% of 20 decks +76% synergy
Mindslicer
80% of 20 decks +79% synergy
Poxwalkers
80% of 20 decks +79% synergy
Fury
80% of 20 decks +79% synergy
Culling the Weak
80% of 20 decks +74% synergy
Pinnacle Monk
79% of 19 decks +71% synergy
Party Thrasher
79% of 19 decks +70% synergy
Creatures
Grief
75% of 20 decks +74% synergy
Blood Pet
75% of 20 decks +73% synergy
K'rrik, Son of Yawgmoth
75% of 20 decks +71% synergy
Forsaken Miner
75% of 20 decks +69% synergy
Simian Spirit Guide
75% of 20 decks +69% synergy
Birgi, God of Storytelling
75% of 20 decks +63% synergy
Boggart Trawler
74% of 19 decks +65% synergy
Carrion Feeder
70% of 20 decks +65% synergy
Mayhem Devil
70% of 20 decks +46% synergy
Prosper, Tome-Bound
65% of 20 decks +57% synergy
Dargo, the Shipwrecker
60% of 20 decks +59% synergy
Orcish Bowmasters
60% of 20 decks +47% synergy
Ragavan, Nimble Pilferer
55% of 20 decks +45% synergy
Braids, Arisen Nightmare
50% of 20 decks +40% synergy
Flamekin Harbinger
45% of 20 decks +45% synergy
Cathodion
45% of 20 decks +45% synergy
Golgari Thug
45% of 20 decks +44% synergy
Viscera Seer
40% of 20 decks +29% synergy
Patron of the Arts
35% of 20 decks +33% synergy
Valki, God of Lies
35% of 20 decks +31% synergy
Treasonous Ogre
35% of 20 decks +31% synergy
Skirk Prospector
35% of 20 decks +30% synergy
Pawn of Ulamog
30% of 20 decks +27% synergy
Pitiless Plunderer
30% of 20 decks +20% synergy
Dauthi Voidwalker
30% of 20 decks +20% synergy
Accursed Marauder
26% of 19 decks +17% synergy
Myr Moonvessel
25% of 20 decks +25% synergy
Dualcaster Mage
25% of 20 decks +17% synergy
Bone Shredder
20% of 20 decks +20% synergy
Offalsnout
20% of 20 decks +20% synergy
Soldevi Adnate
20% of 20 decks +19% synergy
Opposition Agent
20% of 20 decks +13% synergy
Professional Face-Breaker
20% of 20 decks +4% synergy
Blood Artist
20% of 20 decks +3% synergy
Su-Chi
15% of 20 decks +15% synergy
Blood Vassal
15% of 20 decks +15% synergy
Overeager Apprentice
15% of 20 decks +15% synergy
_____ Goblin
15% of 20 decks +15% synergy
Nightscape Familiar
15% of 20 decks +14% synergy
Instants
Flare of Duplication
75% of 20 decks +69% synergy
Entomb
70% of 20 decks +61% synergy
Pyroblast
70% of 20 decks +60% synergy
Vampiric Tutor
65% of 20 decks +48% synergy
Cabal Ritual
60% of 20 decks +52% synergy
Red Elemental Blast
60% of 20 decks +50% synergy
Deflecting Swat
60% of 20 decks +40% synergy
Fell the Profane
55% of 20 decks +40% synergy
Flare of Malice
50% of 20 decks +47% synergy
Final Fortune
35% of 20 decks +33% synergy
Bolt Bend
25% of 20 decks +17% synergy
Abrade
25% of 20 decks +4% synergy
Rending Volley
20% of 20 decks +19% synergy
Mausoleum Secrets
20% of 20 decks +19% synergy
Not Dead After All
20% of 20 decks +10% synergy
Deadly Dispute
20% of 20 decks -4% synergy
Corpse Dance
15% of 20 decks +15% synergy
Saw in Half
15% of 20 decks +9% synergy
Sorceries
Reanimate
70% of 20 decks +51% synergy
Rite of Flame
65% of 20 decks +60% synergy
Demonic Tutor
65% of 20 decks +45% synergy
Infernal Plunge
55% of 20 decks +52% synergy
Beseech the Mirror
50% of 20 decks +44% synergy
Agadeem's Awakening
45% of 20 decks +41% synergy
Imperial Seal
40% of 20 decks +34% synergy
Molten Collapse
35% of 20 decks +30% synergy
Jeska's Will
35% of 20 decks +8% synergy
Diabolic Intent
30% of 20 decks +21% synergy
Gamble
30% of 20 decks +18% synergy
Cabal Therapy
25% of 20 decks +25% synergy
Unearth
20% of 20 decks +14% synergy
Shatterskull Smashing
15% of 20 decks +10% synergy
Molten Duplication
15% of 20 decks +9% synergy
Utility Artifacts
Phyrexian Altar
65% of 20 decks +59% synergy
Ruby Medallion
20% of 20 decks +14% synergy
Nim Deathmantle
15% of 20 decks +14% synergy
Enchantments
Carnival of Souls
50% of 20 decks +50% synergy
Underworld Breach
45% of 20 decks +37% synergy
Animate Dead
30% of 20 decks +19% synergy
Bloodchief Ascension
20% of 20 decks +16% synergy
Goblin Bombardment
15% of 20 decks +4% synergy
Utility Lands
Phyrexian Tower
65% of 20 decks +55% synergy
Ancient Tomb
65% of 20 decks +53% synergy
City of Traitors
45% of 20 decks +44% synergy
Cabal Pit
35% of 20 decks +32% synergy
Emergence Zone
30% of 20 decks +26% synergy
Vault of Whispers
25% of 20 decks +21% synergy
Great Furnace
25% of 20 decks +21% synergy
Urborg, Tomb of Yawgmoth
25% of 20 decks +5% synergy
Mana Artifacts
Arcane Signet
100% of 20 decks +17% synergy
Talisman of Indulgence
95% of 20 decks +40% synergy
Sol Ring
90% of 20 decks +3% synergy
Chrome Mox
65% of 20 decks +58% synergy
Mana Vault
65% of 20 decks +58% synergy
Lotus Petal
60% of 20 decks +52% synergy
Lion's Eye Diamond
55% of 20 decks +52% synergy
Grim Monolith
40% of 20 decks +38% synergy
Rakdos Signet
30% of 20 decks -34% synergy
Fellwar Stone
25% of 20 decks -9% synergy
Springleaf Drum
20% of 20 decks +18% synergy
Mox Opal
15% of 20 decks +10% synergy
Cursed Mirror
15% of 20 decks +7% synergy
Lands
Command Tower
100% of 20 decks +14% synergy
Luxury Suite
75% of 20 decks +34% synergy
Sulfurous Springs
75% of 20 decks +33% synergy
City of Brass
70% of 20 decks +62% synergy
Mount Doom
70% of 20 decks +50% synergy
Bloodstained Mire
70% of 20 decks +41% synergy
Blood Crypt
70% of 20 decks +25% synergy
Gemstone Caverns
60% of 20 decks +55% synergy
Mana Confluence
60% of 20 decks +53% synergy
Polluted Delta
60% of 20 decks +52% synergy
Marsh Flats
60% of 20 decks +51% synergy
Badlands
60% of 20 decks +47% synergy
Verdant Catacombs
55% of 20 decks +47% synergy
Exotic Orchard
45% of 20 decks +14% synergy
Talon Gates of Madara
42% of 19 decks +41% synergy
Dragonskull Summit
40% of 20 decks -17% synergy
Scalding Tarn
30% of 20 decks +22% synergy
Arid Mesa
25% of 20 decks +16% synergy
Tainted Peak
25% of 20 decks -13% synergy
Raucous Theater
20% of 20 decks -7% synergy
Shadowblood Ridge
20% of 20 decks -13% synergy
Lazotep Quarry
16% of 19 decks +15% synergy
Forbidden Orchard
15% of 20 decks +13% synergy
Cavern of Souls
15% of 20 decks +10% synergy
Wooded Foothills
15% of 20 decks +7% synergy
Rakdos Carnarium
15% of 20 decks -22% synergy
Foreboding Ruins
15% of 20 decks -31% synergy
Smoldering Marsh
15% of 20 decks -49% synergy