Eternal Scourge + Nightmare Shepherd + Ashnod's Altar

Eternal Scourge
Nightmare Shepherd
Ashnod's Altar

Requires
Eternal Scourge must be on the battlefield. Nightmare Shepherd must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding .
  2. Nightmare Shepherd triggers.
  3. Resolve the Nightmare Shepherd trigger, exiling Eternal Scourge from your graveyard and creating a 1/1 copy of Eternal Scourge that is a Nightmare in addition to its other types.
  4. Activate Ashnod's Altar by sacrificing the Eternal Scourge token, adding .
  5. Cast Eternal Scourge from exile by paying 3.
  6. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

The Master of Keys
0.04% of 2436 decks 1 decks
Top Commanders
Umbris, Fear Manifest
0.26% of 5729 decks 15 decks
Kinzu of the Bleak Coven
0.96% of 313 decks 3 decks
Marchesa, the Black Rose
0.01% of 9321 decks 1 decks
Gonti, Lord of Luxury
0.07% of 1341 decks 1 decks
Teysa Karlov
0.01% of 15216 decks 1 decks
Braids, Arisen Nightmare
0.01% of 7033 decks 1 decks
Meren of Clan Nel Toth
0.01% of 14905 decks 1 decks
Pharika, God of Affliction
0.13% of 765 decks 1 decks
Tasigur, the Golden Fang
0.02% of 5816 decks 1 decks
Yidris, Maelstrom Wielder
0.02% of 6600 decks 1 decks
Ikra Shidiqi, the Usurper // Kraum, Ludevic's Opus
0.18% of 542 decks 1 decks
Kydele, Chosen of Kruphix // Ravos, Soultender
0.28% of 356 decks 1 decks
Ayara, First of Locthwain
0.02% of 4765 decks 1 decks
Syr Konrad, the Grim
0.02% of 4587 decks 1 decks
Snapdax, Apex of the Hunt
0.11% of 875 decks 1 decks
Erebos, God of the Dead
0.09% of 1136 decks 1 decks
Sakashima of a Thousand Faces // Tormod, the Desecrator
0.19% of 532 decks 1 decks
New Cards
Ancient Cellarspawn
100% of 3 decks +93% synergy
High Synergy Cards
Torrent Elemental
100% of 4 decks +100% synergy
Ashiok, Dream Render
68% of 22 decks +64% synergy
Captain N'ghathrod
63% of 19 decks +62% synergy
Tasha's Hideous Laughter
59% of 22 decks +58% synergy
Ashiok, Nightmare Muse
55% of 22 decks +53% synergy
Grazilaxx, Illithid Scholar
55% of 22 decks +52% synergy
Spellskite
55% of 22 decks +51% synergy
Zellix, Sanity Flayer
47% of 19 decks +46% synergy
Maddening Cacophony
45% of 22 decks +43% synergy
Sire of Stagnation
45% of 22 decks +43% synergy
Top Cards
Nature's Lore
67% of 6 decks +35% synergy
Dark Ritual
56% of 34 decks +34% synergy
Hullbreaker Horror
50% of 20 decks +43% synergy
Rhystic Study
50% of 22 decks +22% synergy
Cyclonic Rift
50% of 22 decks +22% synergy
Counterspell
45% of 22 decks +3% synergy
Grell Philosopher
42% of 19 decks +42% synergy
Aboleth Spawn
42% of 19 decks +41% synergy
Wharf Infiltrator
41% of 22 decks +40% synergy
Resculpt
41% of 22 decks +36% synergy
Creatures
Dauthi Voidwalker
39% of 33 decks +31% synergy
Spark Double
36% of 22 decks +29% synergy
Uchuulon
36% of 28 decks +35% synergy
Ravenous Chupacabra
35% of 34 decks +31% synergy
Toxrill, the Corrosive
35% of 20 decks +32% synergy
Thing in the Ice
32% of 22 decks +31% synergy
Sludge Monster
32% of 22 decks +31% synergy
Nemesis of Reason
32% of 22 decks +30% synergy
Consuming Aberration
32% of 22 decks +28% synergy
Roaming Throne
28% of 18 decks +18% synergy
Sakashima of a Thousand Faces
27% of 22 decks +24% synergy
Phyrexian Revoker
26% of 34 decks +26% synergy
Overcharged Amalgam
25% of 20 decks +24% synergy
Gray Merchant of Asphodel
24% of 34 decks +14% synergy
Viscera Seer
24% of 34 decks +14% synergy
Blood Artist
24% of 34 decks +12% synergy
Vein Ripper
23% of 13 decks +21% synergy
Braids, Arisen Nightmare
22% of 27 decks +14% synergy
Starving Revenant
21% of 14 decks +21% synergy
Falthis, Shadowcat Familiar
21% of 33 decks +21% synergy
Oblivion Sower
21% of 34 decks +20% synergy
Phyrexian Obliterator
21% of 34 decks +19% synergy
Crypt Ghast
21% of 34 decks +16% synergy
Zulaport Cutthroat
21% of 34 decks +11% synergy
Chasm Skulker
18% of 22 decks +14% synergy
Yarok's Fenlurker
18% of 34 decks +17% synergy
Woe Strider
18% of 34 decks +15% synergy
Ayara, First of Locthwain
18% of 34 decks +14% synergy
Carrion Feeder
18% of 34 decks +13% synergy
Vashta Nerada
17% of 18 decks +16% synergy
Illithid Harvester
16% of 19 decks +15% synergy
Defiler of Flesh
15% of 27 decks +14% synergy
Phyrexian Rager
15% of 34 decks +14% synergy
Liliana, Heretical Healer
15% of 34 decks +14% synergy
Dread Presence
15% of 34 decks +13% synergy
Pawn of Ulamog
15% of 34 decks +12% synergy
Gravecrawler
15% of 34 decks +12% synergy
Yahenni, Undying Partisan
15% of 34 decks +12% synergy
Yawgmoth, Thran Physician
15% of 34 decks +11% synergy
Pitiless Plunderer
15% of 34 decks +7% synergy
Brainstealer Dragon
14% of 28 decks +13% synergy
Misthollow Griffin
14% of 22 decks +13% synergy
Forgotten Creation
14% of 22 decks +13% synergy
Trophy Mage
14% of 22 decks +12% synergy
Thassa, Deep-Dwelling
14% of 22 decks +10% synergy
Sheoldred
14% of 22 decks +10% synergy
Arvinox, the Mind Flail
13% of 30 decks +13% synergy
Vraan, Executioner Thane
12% of 24 decks +11% synergy
Hoarding Broodlord
12% of 24 decks +10% synergy
Drivnod, Carnage Dominus
12% of 24 decks +9% synergy
Instants
Heroic Intervention
50% of 6 decks +20% synergy
Assassin's Trophy
50% of 6 decks +20% synergy
Vampiric Tutor
38% of 34 decks +20% synergy
Drown in Dreams
32% of 22 decks +30% synergy
Mana Drain
32% of 22 decks +17% synergy
Negate
32% of 22 decks +9% synergy
Deadly Rollick
30% of 33 decks +20% synergy
Mystical Tutor
27% of 22 decks +12% synergy
Brainstorm
27% of 22 decks +6% synergy
Malakir Rebirth
24% of 33 decks +16% synergy
Arcane Denial
23% of 22 decks +3% synergy
Not Dead After All
20% of 20 decks +16% synergy
Displace
18% of 22 decks +17% synergy
Reality Shift
18% of 22 decks +9% synergy
An Offer You Can't Refuse
16% of 19 decks -5% synergy
Baleful Mastery
15% of 33 decks +12% synergy
Perplex
14% of 22 decks +12% synergy
Ghostly Flicker
14% of 22 decks +9% synergy
Muddle the Mixture
14% of 22 decks +9% synergy
Snap
14% of 22 decks +7% synergy
Force of Will
14% of 22 decks +2% synergy
Swan Song
14% of 22 decks -3% synergy
Fierce Guardianship
14% of 22 decks -4% synergy
Cabal Ritual
12% of 34 decks +7% synergy
Infernal Grasp
9% of 32 decks +2% synergy
Vraska's Contempt
9% of 34 decks +9% synergy
Defile
9% of 34 decks +5% synergy
Sorceries
Three Visits
50% of 6 decks +25% synergy
Farseek
50% of 6 decks +16% synergy
Demonic Tutor
32% of 34 decks +10% synergy
Feed the Swarm
30% of 33 decks +12% synergy
Toxic Deluge
26% of 34 decks +9% synergy
Rite of Replication
23% of 22 decks +19% synergy
Foresight
18% of 22 decks +18% synergy
Manipulate Fate
18% of 22 decks +18% synergy
Extract
18% of 22 decks +18% synergy
Fractured Sanity
18% of 22 decks +16% synergy
Curse of the Swine
18% of 22 decks +14% synergy
Sea Gate Restoration
18% of 22 decks +13% synergy
Windfall
18% of 22 decks +5% synergy
Essence Harvest
15% of 34 decks +14% synergy
Sign in Blood
15% of 34 decks +5% synergy
Reanimate
15% of 34 decks -1% synergy
Mutilate
12% of 34 decks +10% synergy
Damnation
12% of 34 decks +4% synergy
Diabolic Intent
12% of 34 decks +3% synergy
Victimize
12% of 34 decks +0% synergy
Agadeem's Awakening
9% of 33 decks +6% synergy
Rite of Consumption
9% of 34 decks +8% synergy
Yawgmoth's Will
9% of 34 decks +7% synergy
Dread Return
9% of 34 decks +4% synergy
Diabolic Tutor
9% of 34 decks +2% synergy
Utility Artifacts
Lightning Greaves
35% of 34 decks +10% synergy
Phyrexian Altar
26% of 34 decks +22% synergy
Panharmonicon
26% of 34 decks +22% synergy
Tormod's Crypt
21% of 34 decks +20% synergy
Mindcrank
21% of 34 decks +19% synergy
Whispersilk Cloak
18% of 34 decks +14% synergy
Swiftfoot Boots
18% of 34 decks -10% synergy
Mimic Vat
15% of 34 decks +14% synergy
Soul-Guide Lantern
15% of 34 decks +13% synergy
Altar of Dementia
15% of 34 decks +12% synergy
Urza's Incubator
15% of 34 decks +12% synergy
Bolas's Citadel
15% of 34 decks +5% synergy
Skullclamp
15% of 34 decks +2% synergy
Lantern of the Lost
13% of 30 decks +13% synergy
Helm of Obedience
12% of 34 decks +12% synergy
Relic of Progenitus
12% of 34 decks +11% synergy
Nim Deathmantle
12% of 34 decks +11% synergy
Wayfarer's Bauble
12% of 34 decks +2% synergy
Altar of Bhaal
11% of 28 decks +10% synergy
Bag of Devouring
9% of 32 decks +9% synergy
Bontu's Monument
9% of 34 decks +7% synergy
Jet Medallion
9% of 34 decks +6% synergy
Whip of Erebos
9% of 34 decks +5% synergy
Enchantments
Titans' Nest
75% of 4 decks +74% synergy
Curse of Clinging Webs
50% of 6 decks +49% synergy
Leyline of the Void
35% of 34 decks +34% synergy
Endless Evil
32% of 19 decks +30% synergy
Black Market Connections
29% of 28 decks +18% synergy
Planar Void
26% of 34 decks +26% synergy
Propaganda
23% of 22 decks +11% synergy
Mystic Remora
23% of 22 decks +5% synergy
Phyrexian Arena
21% of 34 decks +6% synergy
Reflections of Littjara
18% of 22 decks +13% synergy
Phyrexian Reclamation
18% of 34 decks +14% synergy
Bloodchief Ascension
15% of 34 decks +11% synergy
Animate Dead
15% of 34 decks +5% synergy
Web of Inertia
14% of 22 decks +13% synergy
Court of Cunning
14% of 22 decks +12% synergy
Aqueous Form
14% of 22 decks +10% synergy
Dictate of Erebos
12% of 34 decks +8% synergy
Grave Pact
12% of 34 decks +7% synergy
Black Market
12% of 34 decks +7% synergy
Necropotence
12% of 34 decks +6% synergy
Sanguine Bond
12% of 34 decks +6% synergy
Bastion of Remembrance
9% of 33 decks +3% synergy
Kaya's Ghostform
9% of 34 decks +5% synergy
Exquisite Blood
9% of 34 decks +4% synergy
Planeswalkers
Ashiok, Wicked Manipulator
18% of 22 decks +18% synergy
Ashiok, Nightmare Weaver
18% of 22 decks +18% synergy
Liliana, Dreadhorde General
15% of 34 decks +11% synergy
Lolth, Spider Queen
12% of 32 decks +11% synergy
Utility Lands
Bojuka Bog
68% of 34 decks +37% synergy
Boseiju, Who Endures
60% of 5 decks +40% synergy
Urborg, Tomb of Yawgmoth
38% of 34 decks +28% synergy
Rogue's Passage
32% of 34 decks +13% synergy
Cabal Coffers
29% of 34 decks +19% synergy
Reliquary Tower
29% of 34 decks -0% synergy
Phyrexian Tower
26% of 34 decks +18% synergy
Otawara, Soaring City
26% of 19 decks +9% synergy
Scavenger Grounds
18% of 34 decks +14% synergy
Shizo, Death's Storehouse
18% of 34 decks +13% synergy
Takenuma, Abandoned Mire
17% of 29 decks +7% synergy
Witch's Clinic
15% of 33 decks +14% synergy
Yavimaya, Cradle of Growth
15% of 33 decks +6% synergy
Command Beacon
15% of 34 decks +10% synergy
Ancient Tomb
15% of 34 decks +4% synergy
Mystic Sanctuary
14% of 22 decks +1% synergy
Cabal Stronghold
12% of 34 decks +8% synergy
Barren Moor
12% of 34 decks +8% synergy
Nykthos, Shrine to Nyx
12% of 34 decks +6% synergy
City of Shadows
9% of 34 decks +9% synergy
Dakmor Salvage
9% of 34 decks +7% synergy
Thespian's Stage
9% of 34 decks +6% synergy
Castle Locthwain
9% of 34 decks +3% synergy
Mana Artifacts
Sol Ring
88% of 34 decks +4% synergy
Arcane Signet
74% of 34 decks +2% synergy
Talisman of Dominance
45% of 22 decks +14% synergy
Dimir Signet
41% of 22 decks +11% synergy
Fellwar Stone
29% of 34 decks +8% synergy
Mind Stone
26% of 34 decks +9% synergy
Mana Crypt
12% of 34 decks +3% synergy
Thought Vessel
12% of 34 decks -5% synergy
Everflowing Chalice
9% of 34 decks +4% synergy
Chrome Mox
9% of 34 decks +2% synergy
Lands
Volcanic Island
100% of 3 decks +86% synergy
Overgrown Tomb
100% of 6 decks +57% synergy
Watery Grave
77% of 22 decks +36% synergy
Command Tower
76% of 34 decks +3% synergy
Tropical Island
75% of 4 decks +61% synergy
Zagoth Triome
75% of 4 decks +44% synergy
Sunken Hollow
59% of 22 decks +24% synergy
Underground River
55% of 22 decks +35% synergy
Drowned Catacomb
55% of 22 decks +29% synergy
Bayou
50% of 6 decks +36% synergy
Shipwreck Marsh
45% of 22 decks +27% synergy
Morphic Pool
45% of 22 decks +19% synergy
Choked Estuary
41% of 22 decks +24% synergy
Polluted Delta
32% of 34 decks +21% synergy
Exotic Orchard
32% of 34 decks -3% synergy
Clearwater Pathway
32% of 22 decks +22% synergy
Tainted Isle
32% of 22 decks +21% synergy
Temple of Deceit
32% of 22 decks +15% synergy
Path of Ancestry
29% of 34 decks +8% synergy
Fetid Pools
27% of 22 decks +22% synergy
Dimir Aqueduct
27% of 22 decks +10% synergy
Sunken Ruins
18% of 22 decks +13% synergy
Darkslick Shores
18% of 22 decks +13% synergy
Darkwater Catacombs
18% of 22 decks +3% synergy
Terramorphic Expanse
18% of 34 decks +2% synergy
Fabled Passage
15% of 34 decks +6% synergy
Evolving Wilds
15% of 34 decks -6% synergy
Dismal Backwater
14% of 22 decks +7% synergy
Cavern of Souls
12% of 34 decks +5% synergy
Verdant Catacombs
12% of 34 decks +0% synergy
Plaza of Heroes
11% of 27 decks +8% synergy
Secluded Courtyard
10% of 29 decks +6% synergy
Forbidden Orchard
9% of 34 decks +6% synergy
Reflecting Pool
9% of 34 decks +3% synergy
Prismatic Vista
9% of 34 decks +3% synergy
Misty Rainforest
9% of 34 decks -3% synergy
Myriad Landscape
9% of 34 decks -11% synergy