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%inclusion7 decks10.2K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.1%inclusion2 decks3.94K decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion2 decks8.97K decks
Tevesh Szat, Doom of Fools // Thrasios, Triton Hero
0.1%inclusion2 decks2.19K decks
Jenson Carthalion, Druid Exile
0.1%inclusion2 decks2.27K decks
Niv-Mizzet, Guildpact
0.0%inclusion1 decks3.10K decks
Atraxa, Grand Unifier
0.0%inclusion1 decks13.8K decks
Zaxara, the Exemplary
0.0%inclusion1 decks14.6K decks
Esika, God of the Tree
0.0%inclusion1 decks19.1K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks18K decks
Rukarumel, Biologist
0.0%inclusion1 decks3.39K decks
Go-Shintai of Life's Origin
0.0%inclusion1 decks16.7K decks
Ramos, Dragon Engine
0.0%inclusion1 decks9.34K decks
Garth One-Eye
0.0%inclusion1 decks4.24K decks
New Cards
Elemental Teachings
20%inclusion1 decks5 decks
18%synergy
High Synergy Cards
Guide of Souls
100%inclusion11 decks11 decks
98%synergy
Rogue Refiner
88%inclusion21 decks24 decks
87%synergy
Chthonian Nightmare
83%inclusion20 decks24 decks
82%synergy
Wrath of the Skies
64%inclusion7 decks11 decks
63%synergy
Imperial Recruiter
63%inclusion5 decks8 decks
58%synergy
Volatile Stormdrake
50%inclusion12 decks24 decks
48%synergy
Uro, Titan of Nature's Wrath
50%inclusion12 decks24 decks
45%synergy
Jolted Awake
45%inclusion5 decks11 decks
45%synergy
Aether Channeler
46%inclusion11 decks24 decks
44%synergy
Nissa, Worldsoul Speaker
44%inclusion7 decks16 decks
43%synergy
Top Cards
Ignoble Hierarch
63%inclusion5 decks8 decks
38%synergy
Noble Hierarch
55%inclusion6 decks11 decks
39%synergy
Eternal Witness
54%inclusion13 decks24 decks
37%synergy
Baleful Strix
50%inclusion12 decks24 decks
37%synergy
Birds of Paradise
46%inclusion11 decks24 decks
18%synergy
Assassin's Trophy
46%inclusion11 decks24 decks
15%synergy
Recruiter of the Guard
45%inclusion5 decks11 decks
43%synergy
Eladamri's Call
45%inclusion5 decks11 decks
36%synergy
Aluren
42%inclusion10 decks24 decks
41%synergy
Tune the Narrative
42%inclusion10 decks24 decks
41%synergy
Game Changers
Enlightened Tutor
55%inclusion6 decks11 decks
39%synergy
Demonic Tutor
33%inclusion8 decks24 decks
14%synergy
Mox Diamond
25%inclusion6 decks24 decks
21%synergy
Chrome Mox
25%inclusion6 decks24 decks
19%synergy
Force of Will
25%inclusion6 decks24 decks
15%synergy
Worldly Tutor
25%inclusion6 decks24 decks
13%synergy
Vampiric Tutor
25%inclusion6 decks24 decks
10%synergy
Thassa's Oracle
21%inclusion5 decks24 decks
14%synergy
Survival of the Fittest
13%inclusion3 decks24 decks
11%synergy
Field of the Dead
13%inclusion3 decks24 decks
10%synergy
Creatures
Burning-Tree Emissary
38%inclusion3 decks8 decks
37%synergy
Acererak the Archlich
38%inclusion9 decks24 decks
37%synergy
Coiling Oracle
38%inclusion9 decks24 decks
32%synergy
Deathrite Shaman
38%inclusion9 decks24 decks
26%synergy
Aetherstorm Roc
36%inclusion4 decks11 decks
36%synergy
Riddle Gate Gargoyle
36%inclusion4 decks11 decks
36%synergy
Whitemane Lion
36%inclusion4 decks11 decks
35%synergy
Esper Sentinel
36%inclusion4 decks11 decks
17%synergy
Aether Theorist
33%inclusion8 decks24 decks
33%synergy
Roil Cartographer
33%inclusion8 decks24 decks
33%synergy
Greenbelt Rampager
29%inclusion7 decks24 decks
29%synergy
Tempest Harvester
29%inclusion7 decks24 decks
29%synergy
Servant of the Conduit
29%inclusion7 decks24 decks
29%synergy
Shrieking Drake
29%inclusion7 decks24 decks
28%synergy
Aethergeode Miner
27%inclusion3 decks11 decks
27%synergy
Brotherhood Scribe
27%inclusion3 decks11 decks
27%synergy
Sphinx of the Revelation
27%inclusion3 decks11 decks
26%synergy
Moon-Blessed Cleric
27%inclusion3 decks11 decks
25%synergy
Dour Port-Mage
27%inclusion6 decks22 decks
25%synergy
Metastatic Evangel
27%inclusion3 decks11 decks
25%synergy
Ranger-Captain of Eos
27%inclusion3 decks11 decks
23%synergy
Aether Poisoner
25%inclusion6 decks24 decks
25%synergy
Sage of Shaila's Claim
25%inclusion6 decks24 decks
25%synergy
Glint-Sleeve Siphoner
25%inclusion6 decks24 decks
25%synergy
Architect of the Untamed
25%inclusion6 decks24 decks
25%synergy
Ice-Fang Coatl
25%inclusion6 decks24 decks
24%synergy
Delighted Halfling
25%inclusion6 decks24 decks
13%synergy
Parasitic Strix
21%inclusion5 decks24 decks
21%synergy
Thriving Turtle
21%inclusion5 decks24 decks
21%synergy
Demon of Dark Schemes
21%inclusion5 decks24 decks
20%synergy
Priest of Gix
21%inclusion5 decks24 decks
20%synergy
Ukkima, Stalking Shadow
21%inclusion5 decks24 decks
20%synergy
Spellseeker
21%inclusion5 decks24 decks
18%synergy
Clement, the Worrywort
18%inclusion4 decks22 decks
17%synergy
Janjeet Sentry
17%inclusion4 decks24 decks
17%synergy
Minister of Inquiries
17%inclusion4 decks24 decks
17%synergy
Aether Swooper
17%inclusion4 decks24 decks
17%synergy
Shielded Aether Thief
17%inclusion4 decks24 decks
17%synergy
Electrostatic Pummeler
17%inclusion4 decks24 decks
17%synergy
Dream Stalker
17%inclusion4 decks24 decks
17%synergy
Aetherwind Basker
17%inclusion4 decks24 decks
16%synergy
Aethertide Whale
17%inclusion4 decks24 decks
16%synergy
Flesh Duplicate
17%inclusion4 decks24 decks
15%synergy
Cloud of Faeries
17%inclusion4 decks24 decks
15%synergy
Prosperous Innkeeper
17%inclusion4 decks24 decks
14%synergy
Peregrine Drake
17%inclusion4 decks24 decks
13%synergy
Destiny Spinner
17%inclusion4 decks24 decks
13%synergy
Elvish Spirit Guide
17%inclusion4 decks24 decks
13%synergy
Mulldrifter
17%inclusion4 decks24 decks
12%synergy
Wood Elves
17%inclusion4 decks24 decks
12%synergy
Instants
Arcane Denial
42%inclusion10 decks24 decks
21%synergy
Rush of Inspiration
38%inclusion3 decks8 decks
36%synergy
Abrupt Decay
38%inclusion9 decks24 decks
28%synergy
Swords to Plowshares
36%inclusion4 decks11 decks
-25%synergy
An Offer You Can't Refuse
33%inclusion8 decks24 decks
9%synergy
Counterspell
33%inclusion8 decks24 decks
-9%synergy
Glimmer of Genius
29%inclusion7 decks24 decks
29%synergy
Ephemerate
27%inclusion3 decks11 decks
21%synergy
Aether Spike
25%inclusion6 decks24 decks
25%synergy
Flusterstorm
25%inclusion6 decks24 decks
18%synergy
Fierce Guardianship
25%inclusion6 decks24 decks
7%synergy
Muddle the Mixture
21%inclusion5 decks24 decks
16%synergy
Noxious Revival
21%inclusion5 decks24 decks
16%synergy
Chord of Calling
21%inclusion5 decks24 decks
15%synergy
Mental Misstep
21%inclusion5 decks24 decks
15%synergy
Force of Negation
21%inclusion5 decks24 decks
13%synergy
Deadly Rollick
21%inclusion5 decks24 decks
7%synergy
Heroic Intervention
21%inclusion5 decks24 decks
-10%synergy
Swan Song
17%inclusion4 decks24 decks
-1%synergy
Growth Spiral
17%inclusion4 decks24 decks
-4%synergy
Planar Incision
13%inclusion3 decks24 decks
11%synergy
Delay
13%inclusion3 decks24 decks
11%synergy
Force of Vigor
13%inclusion3 decks24 decks
9%synergy
Brain Freeze
13%inclusion3 decks24 decks
9%synergy
Mindbreak Trap
13%inclusion3 decks24 decks
7%synergy
Veil of Summer
13%inclusion3 decks24 decks
7%synergy
Pact of Negation
13%inclusion3 decks24 decks
6%synergy
Sorceries
Neoform
38%inclusion9 decks24 decks
34%synergy
Live Fast
33%inclusion8 decks24 decks
33%synergy
Attune with Aether
29%inclusion7 decks24 decks
29%synergy
Eldritch Evolution
29%inclusion7 decks24 decks
25%synergy
Three Visits
29%inclusion7 decks24 decks
5%synergy
Farseek
25%inclusion6 decks24 decks
-11%synergy
Finale of Devastation
21%inclusion5 decks24 decks
13%synergy
Nature's Lore
21%inclusion5 decks24 decks
-11%synergy
Cultivate
21%inclusion5 decks24 decks
-22%synergy
Die Young
17%inclusion4 decks24 decks
17%synergy
Unearth
17%inclusion4 decks24 decks
14%synergy
Diabolic Tutor
17%inclusion4 decks24 decks
11%synergy
Toxic Deluge
17%inclusion4 decks24 decks
-2%synergy
Tendrils of Agony
13%inclusion3 decks24 decks
12%synergy
Malevolent Rumble
13%inclusion3 decks24 decks
11%synergy
Lórien Revealed
13%inclusion3 decks24 decks
10%synergy
Grim Tutor
13%inclusion3 decks24 decks
8%synergy
Treasure Cruise
13%inclusion3 decks24 decks
8%synergy
Reanimate
13%inclusion3 decks24 decks
-6%synergy
Kodama's Reach
13%inclusion3 decks24 decks
-15%synergy
Utility Artifacts
Izzet Generatorium
38%inclusion3 decks8 decks
36%synergy
Cloudstone Curio
33%inclusion8 decks24 decks
33%synergy
Aetherworks Marvel
21%inclusion5 decks24 decks
20%synergy
Aetherflux Reservoir
21%inclusion5 decks24 decks
18%synergy
Panharmonicon
21%inclusion5 decks24 decks
17%synergy
Aetherflux Conduit
18%inclusion3 decks17 decks
17%synergy
Lightning Greaves
17%inclusion4 decks24 decks
-8%synergy
Woodweaver's Puzzleknot
13%inclusion3 decks24 decks
12%synergy
Glassblower's Puzzleknot
13%inclusion3 decks24 decks
12%synergy
Fabrication Module
13%inclusion3 decks24 decks
12%synergy
The One Ring
13%inclusion3 decks24 decks
4%synergy
Enchantments
Aether Revolt
38%inclusion3 decks8 decks
37%synergy
Sylvan Library
38%inclusion9 decks24 decks
28%synergy
Static Prison
36%inclusion4 decks11 decks
36%synergy
Rhystic Study
29%inclusion7 decks24 decks
5%synergy
Smothering Tithe
27%inclusion3 decks11 decks
6%synergy
Growing Rites of Itlimoc
25%inclusion6 decks24 decks
20%synergy
Virtue of Knowledge
21%inclusion5 decks24 decks
19%synergy
Mystic Remora
21%inclusion5 decks24 decks
4%synergy
Necromancy
13%inclusion3 decks24 decks
9%synergy
Guardian Project
13%inclusion3 decks24 decks
4%synergy
Utility Lands
Otawara, Soaring City
38%inclusion9 decks24 decks
21%synergy
Boseiju, Who Endures
38%inclusion9 decks24 decks
19%synergy
Yavimaya, Cradle of Growth
33%inclusion8 decks24 decks
25%synergy
Mistrise Village
29%inclusion4 decks14 decks
21%synergy
HELIOS One
25%inclusion6 decks24 decks
25%synergy
Urborg, Tomb of Yawgmoth
25%inclusion6 decks24 decks
16%synergy
Shifting Woodland
17%inclusion4 decks24 decks
10%synergy
Gaea's Cradle
13%inclusion3 decks24 decks
7%synergy
Ancient Tomb
13%inclusion3 decks24 decks
3%synergy
Reliquary Tower
13%inclusion3 decks24 decks
-17%synergy
Mana Artifacts
Sol Ring
83%inclusion20 decks24 decks
0%synergy
Arcane Signet
71%inclusion17 decks24 decks
-1%synergy
Solar Transformer
33%inclusion8 decks24 decks
33%synergy
Conversion Apparatus
21%inclusion5 decks24 decks
21%synergy
Lotus Petal
21%inclusion5 decks24 decks
14%synergy
Talisman of Resilience
17%inclusion4 decks24 decks
4%synergy
Talisman of Curiosity
17%inclusion4 decks24 decks
4%synergy
Fellwar Stone
17%inclusion4 decks24 decks
-4%synergy
Talisman of Dominance
17%inclusion4 decks24 decks
-16%synergy
Jeweled Lotus
13%inclusion3 decks24 decks
11%synergy
Mox Opal
13%inclusion3 decks24 decks
8%synergy
Mana Vault
13%inclusion3 decks24 decks
7%synergy
Chromatic Lantern
13%inclusion3 decks24 decks
4%synergy
Lands
Command Tower
96%inclusion23 decks24 decks
22%synergy
Breeding Pool
75%inclusion18 decks24 decks
33%synergy
Verdant Catacombs
71%inclusion17 decks24 decks
60%synergy
Misty Rainforest
71%inclusion17 decks24 decks
59%synergy
Polluted Delta
71%inclusion17 decks24 decks
59%synergy
Watery Grave
67%inclusion16 decks24 decks
25%synergy
Temple Garden
64%inclusion7 decks11 decks
25%synergy
Taiga
63%inclusion5 decks8 decks
50%synergy
Overgrown Tomb
63%inclusion15 decks24 decks
22%synergy
Windswept Heath
58%inclusion14 decks24 decks
47%synergy
Flooded Strand
58%inclusion14 decks24 decks
47%synergy
Exotic Orchard
58%inclusion14 decks24 decks
22%synergy
Savannah
55%inclusion6 decks11 decks
42%synergy
Hallowed Fountain
55%inclusion6 decks11 decks
15%synergy
Marsh Flats
54%inclusion13 decks24 decks
43%synergy
Scalding Tarn
50%inclusion12 decks24 decks
39%synergy
Badlands
50%inclusion4 decks8 decks
37%synergy
Volcanic Island
50%inclusion4 decks8 decks
36%synergy
Zagoth Triome
50%inclusion12 decks24 decks
22%synergy
Aether Hub
46%inclusion11 decks24 decks
45%synergy
Wooded Foothills
46%inclusion11 decks24 decks
35%synergy
Bloodstained Mire
46%inclusion11 decks24 decks
35%synergy
Scrubland
45%inclusion5 decks11 decks
32%synergy
Tundra
45%inclusion5 decks11 decks
31%synergy
City of Brass
42%inclusion10 decks24 decks
34%synergy
Woodland Cemetery
42%inclusion10 decks24 decks
10%synergy
Plateau
38%inclusion3 decks8 decks
26%synergy
Morphic Pool
38%inclusion9 decks24 decks
13%synergy
Rejuvenating Springs
38%inclusion9 decks24 decks
11%synergy
Drowned Catacomb
38%inclusion9 decks24 decks
8%synergy
Hinterland Harbor
38%inclusion9 decks24 decks
5%synergy
Sacred Foundry
38%inclusion3 decks8 decks
1%synergy
Blood Crypt
38%inclusion3 decks8 decks
0%synergy
Steam Vents
38%inclusion3 decks8 decks
0%synergy
Stomping Ground
38%inclusion3 decks8 decks
-4%synergy
Godless Shrine
36%inclusion4 decks11 decks
-5%synergy
Mana Confluence
33%inclusion8 decks24 decks
26%synergy
Dreamroot Cascade
33%inclusion8 decks24 decks
12%synergy
Undergrowth Stadium
33%inclusion8 decks24 decks
10%synergy
Arid Mesa
29%inclusion7 decks24 decks
19%synergy
Bayou
29%inclusion7 decks24 decks
16%synergy
Tropical Island
29%inclusion7 decks24 decks
15%synergy
Sunken Hollow
29%inclusion7 decks24 decks
-5%synergy
Shipwreck Marsh
25%inclusion6 decks24 decks
7%synergy
Llanowar Wastes
25%inclusion6 decks24 decks
-2%synergy
Opulent Palace
25%inclusion6 decks24 decks
-3%synergy
Deathcap Glade
21%inclusion5 decks24 decks
8%synergy
Underground Sea
21%inclusion5 decks24 decks
6%synergy
Terramorphic Expanse
21%inclusion5 decks24 decks
6%synergy
Underground River
21%inclusion5 decks24 decks
-2%synergy