Primal Prayers
Decoction Module
Cavern Harpy

   Prerequisites

What do I need to start this combo?
Cavern Harpy in hand.
Primal Prayers and Decoction Module on the battlefield.
You have at least e or enough mana to cast Cavern Harpy

   Steps

How does this combo work?
1
Cast Cavern Harpy by paying e due to Primal Prayers, if able, or by paying its mana cost.
2
When Cavern Harpy enters the battlefield, it and Decoction Module trigger.
3
Resolve the Decoction Module trigger, causing you to get e.
4
Resolve the Cavern Harpy trigger, returning it from the battlefield to your hand.
5
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite storm count
Yarok, the Desecrated
0.1%inclusion9 decks12.5K decks
Atraxa, Grand Unifier
0.0%inclusion2 decks16.6K decks
Jenson Carthalion, Druid Exile
0.1%inclusion2 decks2.82K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.0%inclusion2 decks4.66K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks21.9K decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion1 decks10.5K decks
Ramos, Dragon Engine
0.0%inclusion1 decks11.7K decks
Niv-Mizzet, Guildpact
0.0%inclusion1 decks3.77K decks
Go-Shintai of Life's Origin
0.0%inclusion1 decks19.6K decks
Esika, God of the Tree
0.0%inclusion1 decks23.7K decks
Rukarumel, Biologist
0.0%inclusion1 decks4.12K decks
Garth One-Eye
0.0%inclusion1 decks5.16K decks
Tevesh Szat, Doom of Fools // Thrasios, Triton Hero
0.0%inclusion1 decks2.51K decks
Zaxara, the Exemplary
0.0%inclusion1 decks18.3K decks
Zimone and Dina
0.0%inclusion1 decks6.57K decks
Muldrotha, the Gravetide
0.0%inclusion1 decks23.1K decks
High Synergy Cards
Guide of Souls
100%inclusion11 decks11 decks
Rogue Refiner
89%inclusion24 decks27 decks
Chthonian Nightmare
85%inclusion23 decks27 decks
Wrath of the Skies
64%inclusion7 decks11 decks
Imperial Recruiter
63%inclusion5 decks8 decks
Volatile Stormdrake
56%inclusion15 decks27 decks
Jolted Awake
45%inclusion5 decks11 decks
Tune the Narrative
44%inclusion12 decks27 decks
Recruiter of the Guard
45%inclusion5 decks11 decks
Roil Cartographer
41%inclusion11 decks27 decks
Top Cards
Ignoble Hierarch
63%inclusion5 decks8 decks
Noble Hierarch
55%inclusion6 decks11 decks
Eternal Witness
52%inclusion14 decks27 decks
Eladamri's Call
45%inclusion5 decks11 decks
Uro, Titan of Nature's Wrath
44%inclusion12 decks27 decks
Baleful Strix
44%inclusion12 decks27 decks
Birds of Paradise
44%inclusion12 decks27 decks
Aether Channeler
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Assassin's Trophy
41%inclusion11 decks27 decks
Live Fast
37%inclusion10 decks27 decks
Game Changers
Enlightened Tutor
55%inclusion6 decks11 decks
Demonic Tutor
33%inclusion9 decks27 decks
Mox Diamond
22%inclusion6 decks27 decks
Chrome Mox
22%inclusion6 decks27 decks
Force of Will
22%inclusion6 decks27 decks
Worldly Tutor
22%inclusion6 decks27 decks
Vampiric Tutor
22%inclusion6 decks27 decks
Thassa's Oracle
19%inclusion5 decks27 decks
Survival of the Fittest
11%inclusion3 decks27 decks
Field of the Dead
11%inclusion3 decks27 decks
Creatures
Burning-Tree Emissary
38%inclusion3 decks8 decks
Greenbelt Rampager
37%inclusion10 decks27 decks
Aether Theorist
37%inclusion10 decks27 decks
Nissa, Worldsoul Speaker
37%inclusion7 decks19 decks
Aetherstorm Roc
36%inclusion4 decks11 decks
Riddle Gate Gargoyle
36%inclusion4 decks11 decks
Whitemane Lion
36%inclusion4 decks11 decks
Esper Sentinel
36%inclusion4 decks11 decks
Architect of the Untamed
33%inclusion9 decks27 decks
Acererak the Archlich
33%inclusion9 decks27 decks
Shrieking Drake
33%inclusion9 decks27 decks
Coiling Oracle
33%inclusion9 decks27 decks
Deathrite Shaman
33%inclusion9 decks27 decks
Glint-Sleeve Siphoner
30%inclusion8 decks27 decks
Tempest Harvester
30%inclusion8 decks27 decks
Servant of the Conduit
30%inclusion8 decks27 decks
Aethergeode Miner
27%inclusion3 decks11 decks
Brotherhood Scribe
27%inclusion3 decks11 decks
Sphinx of the Revelation
27%inclusion3 decks11 decks
Moon-Blessed Cleric
27%inclusion3 decks11 decks
Metastatic Evangel
27%inclusion3 decks11 decks
Ranger-Captain of Eos
27%inclusion3 decks11 decks
Sage of Shaila's Claim
26%inclusion7 decks27 decks
Demon of Dark Schemes
26%inclusion7 decks27 decks
Ukkima, Stalking Shadow
26%inclusion7 decks27 decks
Frenzied Baloth
25%inclusion3 decks12 decks
Starfield Vocalist
25%inclusion3 decks12 decks
Dour Port-Mage
24%inclusion6 decks25 decks
Aether Poisoner
22%inclusion6 decks27 decks
Thriving Turtle
22%inclusion6 decks27 decks
Minister of Inquiries
22%inclusion6 decks27 decks
Priest of Gix
22%inclusion6 decks27 decks
Ice-Fang Coatl
22%inclusion6 decks27 decks
Delighted Halfling
22%inclusion6 decks27 decks
Parasitic Strix
19%inclusion5 decks27 decks
Shielded Aether Thief
19%inclusion5 decks27 decks
Electrostatic Pummeler
19%inclusion5 decks27 decks
Dream Stalker
19%inclusion5 decks27 decks
Aethersquall Ancient
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Prosperous Innkeeper
19%inclusion5 decks27 decks
Cloud of Faeries
19%inclusion5 decks27 decks
Spellseeker
19%inclusion5 decks27 decks
Peregrine Drake
19%inclusion5 decks27 decks
Wood Elves
19%inclusion5 decks27 decks
Mulldrifter
19%inclusion5 decks27 decks
Clement, the Worrywort
16%inclusion4 decks25 decks
Janjeet Sentry
15%inclusion4 decks27 decks
Aether Swooper
15%inclusion4 decks27 decks
Empyreal Voyager
15%inclusion4 decks27 decks
Aetherwind Basker
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Instants
Rush of Inspiration
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Arcane Denial
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Swords to Plowshares
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Glimmer of Genius
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Abrupt Decay
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Counterspell
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Aether Spike
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An Offer You Can't Refuse
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Ephemerate
27%inclusion3 decks11 decks
Flusterstorm
22%inclusion6 decks27 decks
Fierce Guardianship
22%inclusion6 decks27 decks
Muddle the Mixture
19%inclusion5 decks27 decks
Noxious Revival
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Chord of Calling
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Mental Misstep
19%inclusion5 decks27 decks
Force of Negation
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Deadly Rollick
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Heroic Intervention
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Swan Song
15%inclusion4 decks27 decks
Growth Spiral
15%inclusion4 decks27 decks
Planar Incision
11%inclusion3 decks27 decks
Delay
11%inclusion3 decks27 decks
Experimental Augury
11%inclusion3 decks27 decks
Force of Vigor
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Brain Freeze
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Mindbreak Trap
11%inclusion3 decks27 decks
Veil of Summer
11%inclusion3 decks27 decks
Pact of Negation
11%inclusion3 decks27 decks
Putrefy
11%inclusion3 decks27 decks
Sorceries
Attune with Aether
33%inclusion9 decks27 decks
Neoform
33%inclusion9 decks27 decks
Eldritch Evolution
26%inclusion7 decks27 decks
Three Visits
26%inclusion7 decks27 decks
Farseek
22%inclusion6 decks27 decks
Cultivate
22%inclusion6 decks27 decks
Die Young
19%inclusion5 decks27 decks
Diabolic Tutor
19%inclusion5 decks27 decks
Finale of Devastation
19%inclusion5 decks27 decks
Nature's Lore
19%inclusion5 decks27 decks
Kodama's Reach
15%inclusion4 decks27 decks
Tendrils of Agony
11%inclusion3 decks27 decks
Malevolent Rumble
11%inclusion3 decks27 decks
Unnatural Restoration
11%inclusion3 decks27 decks
Lórien Revealed
11%inclusion3 decks27 decks
Unearth
11%inclusion3 decks27 decks
Splendid Reclamation
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Grim Tutor
11%inclusion3 decks27 decks
Treasure Cruise
11%inclusion3 decks27 decks
Diabolic Intent
11%inclusion3 decks27 decks
Toxic Deluge
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Reanimate
11%inclusion3 decks27 decks
Utility Artifacts
Izzet Generatorium
38%inclusion3 decks8 decks
Cloudstone Curio
30%inclusion8 decks27 decks
Panharmonicon
26%inclusion7 decks27 decks
Aetherworks Marvel
22%inclusion6 decks27 decks
Aetherflux Conduit
20%inclusion4 decks20 decks
Glassblower's Puzzleknot
19%inclusion5 decks27 decks
Aetherflux Reservoir
19%inclusion5 decks27 decks
Woodweaver's Puzzleknot
15%inclusion4 decks27 decks
Lightning Greaves
15%inclusion4 decks27 decks
Fabrication Module
11%inclusion3 decks27 decks
Bespoke Battlewagon
11%inclusion3 decks27 decks
The One Ring
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Enchantments
Aether Revolt
38%inclusion3 decks8 decks
Aluren
37%inclusion10 decks27 decks
Static Prison
36%inclusion4 decks11 decks
Sylvan Library
33%inclusion9 decks27 decks
Smothering Tithe
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Rhystic Study
26%inclusion7 decks27 decks
Virtue of Knowledge
22%inclusion6 decks27 decks
Growing Rites of Itlimoc
22%inclusion6 decks27 decks
Mystic Remora
19%inclusion5 decks27 decks
Gonti's Machinations
11%inclusion3 decks27 decks
Necromancy
11%inclusion3 decks27 decks
Guardian Project
11%inclusion3 decks27 decks
Utility Lands
Otawara, Soaring City
33%inclusion9 decks27 decks
Boseiju, Who Endures
33%inclusion9 decks27 decks
Yavimaya, Cradle of Growth
30%inclusion8 decks27 decks
HELIOS One
26%inclusion7 decks27 decks
Mistrise Village
24%inclusion4 decks17 decks
Urborg, Tomb of Yawgmoth
19%inclusion5 decks27 decks
Shifting Woodland
15%inclusion4 decks27 decks
Reliquary Tower
15%inclusion4 decks27 decks
Gaea's Cradle
11%inclusion3 decks27 decks
Ancient Tomb
11%inclusion3 decks27 decks
Mana Artifacts
Sol Ring
81%inclusion22 decks27 decks
Arcane Signet
70%inclusion19 decks27 decks
Solar Transformer
37%inclusion10 decks27 decks
Conversion Apparatus
22%inclusion6 decks27 decks
Lotus Petal
19%inclusion5 decks27 decks
Fellwar Stone
19%inclusion5 decks27 decks
Talisman of Curiosity
15%inclusion4 decks27 decks
Talisman of Resilience
15%inclusion4 decks27 decks
Talisman of Dominance
15%inclusion4 decks27 decks
Jeweled Lotus
11%inclusion3 decks27 decks
Mox Opal
11%inclusion3 decks27 decks
Mana Vault
11%inclusion3 decks27 decks
Chromatic Lantern
11%inclusion3 decks27 decks
Lands
Command Tower
93%inclusion25 decks27 decks
Breeding Pool
74%inclusion20 decks27 decks
Verdant Catacombs
67%inclusion18 decks27 decks
Misty Rainforest
67%inclusion18 decks27 decks
Polluted Delta
67%inclusion18 decks27 decks
Temple Garden
64%inclusion7 decks11 decks
Overgrown Tomb
63%inclusion17 decks27 decks
Watery Grave
63%inclusion17 decks27 decks
Taiga
63%inclusion5 decks8 decks
Exotic Orchard
56%inclusion15 decks27 decks
Savannah
55%inclusion6 decks11 decks
Hallowed Fountain
55%inclusion6 decks11 decks
Aether Hub
52%inclusion14 decks27 decks
Windswept Heath
52%inclusion14 decks27 decks
Flooded Strand
52%inclusion14 decks27 decks
Badlands
50%inclusion4 decks8 decks
Volcanic Island
50%inclusion4 decks8 decks
Marsh Flats
48%inclusion13 decks27 decks
Zagoth Triome
48%inclusion13 decks27 decks
Scrubland
45%inclusion5 decks11 decks
Tundra
45%inclusion5 decks11 decks
Scalding Tarn
44%inclusion12 decks27 decks
City of Brass
41%inclusion11 decks27 decks
Wooded Foothills
41%inclusion11 decks27 decks
Bloodstained Mire
41%inclusion11 decks27 decks
Woodland Cemetery
41%inclusion11 decks27 decks
Plateau
38%inclusion3 decks8 decks
Sacred Foundry
38%inclusion3 decks8 decks
Blood Crypt
38%inclusion3 decks8 decks
Steam Vents
38%inclusion3 decks8 decks
Stomping Ground
38%inclusion3 decks8 decks
Morphic Pool
37%inclusion10 decks27 decks
Rejuvenating Springs
37%inclusion10 decks27 decks
Hinterland Harbor
37%inclusion10 decks27 decks
Godless Shrine
36%inclusion4 decks11 decks
Mana Confluence
33%inclusion9 decks27 decks
Undergrowth Stadium
33%inclusion9 decks27 decks
Drowned Catacomb
33%inclusion9 decks27 decks
Sunken Hollow
33%inclusion9 decks27 decks
Dreamroot Cascade
30%inclusion8 decks27 decks
Arid Mesa
26%inclusion7 decks27 decks
Bayou
26%inclusion7 decks27 decks
Tropical Island
26%inclusion7 decks27 decks
Vernal Fen
25%inclusion3 decks12 decks
Shipwreck Marsh
22%inclusion6 decks27 decks
Llanowar Wastes
22%inclusion6 decks27 decks
Opulent Palace
22%inclusion6 decks27 decks
Prismatic Vista
19%inclusion5 decks27 decks
Hedge Maze
19%inclusion5 decks27 decks
Deathcap Glade
19%inclusion5 decks27 decks