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%inclusion6 decks10.2K decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.1%inclusion2 decks3.92K decks
Thrasios, Triton Hero // Tymna the Weaver
0.0%inclusion2 decks8.85K decks
Tevesh Szat, Doom of Fools // Thrasios, Triton Hero
0.1%inclusion2 decks2.15K decks
Jenson Carthalion, Druid Exile
0.1%inclusion2 decks2.21K decks
Niv-Mizzet, Guildpact
0.0%inclusion1 decks3.04K decks
Atraxa, Grand Unifier
0.0%inclusion1 decks13.8K decks
Zaxara, the Exemplary
0.0%inclusion1 decks14.5K decks
Esika, God of the Tree
0.0%inclusion1 decks18.6K decks
Glarb, Calamity's Augur
0.0%inclusion1 decks17.8K decks
Rukarumel, Biologist
0.0%inclusion1 decks3.33K decks
Go-Shintai of Life's Origin
0.0%inclusion1 decks16.3K decks
Ramos, Dragon Engine
0.0%inclusion1 decks9.12K decks
Garth One-Eye
0.0%inclusion1 decks4.14K decks
High Synergy Cards
Guide of Souls
100%inclusion11 decks11 decks
98%synergy
Rogue Refiner
87%inclusion20 decks23 decks
87%synergy
Chthonian Nightmare
83%inclusion19 decks23 decks
81%synergy
Wrath of the Skies
64%inclusion7 decks11 decks
63%synergy
Imperial Recruiter
63%inclusion5 decks8 decks
58%synergy
Volatile Stormdrake
48%inclusion11 decks23 decks
46%synergy
Aether Channeler
48%inclusion11 decks23 decks
46%synergy
Jolted Awake
45%inclusion5 decks11 decks
45%synergy
Aluren
43%inclusion10 decks23 decks
43%synergy
Tune the Narrative
43%inclusion10 decks23 decks
43%synergy
Top Cards
Ignoble Hierarch
63%inclusion5 decks8 decks
38%synergy
Noble Hierarch
55%inclusion6 decks11 decks
39%synergy
Baleful Strix
52%inclusion12 decks23 decks
39%synergy
Eternal Witness
52%inclusion12 decks23 decks
35%synergy
Uro, Titan of Nature's Wrath
48%inclusion11 decks23 decks
43%synergy
Birds of Paradise
48%inclusion11 decks23 decks
20%synergy
Recruiter of the Guard
45%inclusion5 decks11 decks
43%synergy
Eladamri's Call
45%inclusion5 decks11 decks
36%synergy
Arcane Denial
43%inclusion10 decks23 decks
23%synergy
Assassin's Trophy
43%inclusion10 decks23 decks
13%synergy
Game Changers
Enlightened Tutor
55%inclusion6 decks11 decks
39%synergy
Demonic Tutor
35%inclusion8 decks23 decks
15%synergy
Mox Diamond
26%inclusion6 decks23 decks
22%synergy
Chrome Mox
26%inclusion6 decks23 decks
20%synergy
Force of Will
26%inclusion6 decks23 decks
16%synergy
Worldly Tutor
26%inclusion6 decks23 decks
14%synergy
Vampiric Tutor
26%inclusion6 decks23 decks
11%synergy
Thassa's Oracle
22%inclusion5 decks23 decks
15%synergy
Orcish Bowmasters
17%inclusion4 decks23 decks
9%synergy
Survival of the Fittest
13%inclusion3 decks23 decks
11%synergy
Creatures
Nissa, Worldsoul Speaker
40%inclusion6 decks15 decks
40%synergy
Acererak the Archlich
39%inclusion9 decks23 decks
39%synergy
Deathrite Shaman
39%inclusion9 decks23 decks
28%synergy
Burning-Tree Emissary
38%inclusion3 decks8 decks
37%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
35%inclusion8 decks23 decks
35%synergy
Roil Cartographer
35%inclusion8 decks23 decks
34%synergy
Coiling Oracle
35%inclusion8 decks23 decks
29%synergy
Greenbelt Rampager
30%inclusion7 decks23 decks
30%synergy
Tempest Harvester
30%inclusion7 decks23 decks
30%synergy
Servant of the Conduit
30%inclusion7 decks23 decks
30%synergy
Shrieking Drake
30%inclusion7 decks23 decks
30%synergy
Dour Port-Mage
29%inclusion6 decks21 decks
26%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
Metastatic Evangel
27%inclusion3 decks11 decks
25%synergy
Ranger-Captain of Eos
27%inclusion3 decks11 decks
23%synergy
Aether Poisoner
26%inclusion6 decks23 decks
26%synergy
Sage of Shaila's Claim
26%inclusion6 decks23 decks
26%synergy
Glint-Sleeve Siphoner
26%inclusion6 decks23 decks
26%synergy
Architect of the Untamed
26%inclusion6 decks23 decks
26%synergy
Ice-Fang Coatl
26%inclusion6 decks23 decks
25%synergy
Parasitic Strix
22%inclusion5 decks23 decks
22%synergy
Thriving Turtle
22%inclusion5 decks23 decks
22%synergy
Demon of Dark Schemes
22%inclusion5 decks23 decks
21%synergy
Priest of Gix
22%inclusion5 decks23 decks
21%synergy
Ukkima, Stalking Shadow
22%inclusion5 decks23 decks
21%synergy
Spellseeker
22%inclusion5 decks23 decks
19%synergy
Delighted Halfling
22%inclusion5 decks23 decks
10%synergy
Clement, the Worrywort
19%inclusion4 decks21 decks
18%synergy
Janjeet Sentry
17%inclusion4 decks23 decks
17%synergy
Minister of Inquiries
17%inclusion4 decks23 decks
17%synergy
Aether Swooper
17%inclusion4 decks23 decks
17%synergy
Shielded Aether Thief
17%inclusion4 decks23 decks
17%synergy
Electrostatic Pummeler
17%inclusion4 decks23 decks
17%synergy
Dream Stalker
17%inclusion4 decks23 decks
17%synergy
Aetherwind Basker
17%inclusion4 decks23 decks
17%synergy
Aethertide Whale
17%inclusion4 decks23 decks
17%synergy
Flesh Duplicate
17%inclusion4 decks23 decks
16%synergy
Cloud of Faeries
17%inclusion4 decks23 decks
15%synergy
Destiny Spinner
17%inclusion4 decks23 decks
14%synergy
Elvish Spirit Guide
17%inclusion4 decks23 decks
14%synergy
Wood Elves
17%inclusion4 decks23 decks
13%synergy
Displacer Kitten
17%inclusion4 decks23 decks
12%synergy
Reclamation Sage
17%inclusion4 decks23 decks
9%synergy
Instants
Abrupt Decay
39%inclusion9 decks23 decks
29%synergy
Rush of Inspiration
38%inclusion3 decks8 decks
36%synergy
Swords to Plowshares
36%inclusion4 decks11 decks
-25%synergy
An Offer You Can't Refuse
35%inclusion8 decks23 decks
10%synergy
Counterspell
35%inclusion8 decks23 decks
-7%synergy
Glimmer of Genius
30%inclusion7 decks23 decks
30%synergy
Ephemerate
27%inclusion3 decks11 decks
21%synergy
Aether Spike
26%inclusion6 decks23 decks
26%synergy
Flusterstorm
26%inclusion6 decks23 decks
19%synergy
Fierce Guardianship
26%inclusion6 decks23 decks
8%synergy
Muddle the Mixture
22%inclusion5 decks23 decks
17%synergy
Noxious Revival
22%inclusion5 decks23 decks
17%synergy
Chord of Calling
22%inclusion5 decks23 decks
16%synergy
Mental Misstep
22%inclusion5 decks23 decks
16%synergy
Force of Negation
22%inclusion5 decks23 decks
13%synergy
Deadly Rollick
22%inclusion5 decks23 decks
8%synergy
Heroic Intervention
22%inclusion5 decks23 decks
-9%synergy
Swan Song
17%inclusion4 decks23 decks
0%synergy
Planar Incision
13%inclusion3 decks23 decks
12%synergy
Delay
13%inclusion3 decks23 decks
11%synergy
Force of Vigor
13%inclusion3 decks23 decks
10%synergy
Brain Freeze
13%inclusion3 decks23 decks
10%synergy
Mindbreak Trap
13%inclusion3 decks23 decks
8%synergy
Veil of Summer
13%inclusion3 decks23 decks
8%synergy
Pact of Negation
13%inclusion3 decks23 decks
6%synergy
Growth Spiral
13%inclusion3 decks23 decks
-8%synergy
Sorceries
Neoform
39%inclusion9 decks23 decks
35%synergy
Live Fast
35%inclusion8 decks23 decks
35%synergy
Attune with Aether
30%inclusion7 decks23 decks
30%synergy
Eldritch Evolution
30%inclusion7 decks23 decks
26%synergy
Three Visits
26%inclusion6 decks23 decks
2%synergy
Farseek
26%inclusion6 decks23 decks
-10%synergy
Finale of Devastation
22%inclusion5 decks23 decks
14%synergy
Nature's Lore
22%inclusion5 decks23 decks
-10%synergy
Cultivate
22%inclusion5 decks23 decks
-21%synergy
Die Young
17%inclusion4 decks23 decks
17%synergy
Unearth
17%inclusion4 decks23 decks
14%synergy
Diabolic Tutor
17%inclusion4 decks23 decks
12%synergy
Toxic Deluge
17%inclusion4 decks23 decks
-1%synergy
Tendrils of Agony
13%inclusion3 decks23 decks
12%synergy
Lórien Revealed
13%inclusion3 decks23 decks
10%synergy
Grim Tutor
13%inclusion3 decks23 decks
9%synergy
Treasure Cruise
13%inclusion3 decks23 decks
8%synergy
Reanimate
13%inclusion3 decks23 decks
-6%synergy
Kodama's Reach
13%inclusion3 decks23 decks
-15%synergy
Utility Artifacts
Izzet Generatorium
38%inclusion3 decks8 decks
36%synergy
Cloudstone Curio
35%inclusion8 decks23 decks
34%synergy
Aetherworks Marvel
22%inclusion5 decks23 decks
21%synergy
Aetherflux Reservoir
22%inclusion5 decks23 decks
18%synergy
Panharmonicon
22%inclusion5 decks23 decks
18%synergy
Aetherflux Conduit
19%inclusion3 decks16 decks
18%synergy
Lightning Greaves
17%inclusion4 decks23 decks
-8%synergy
Woodweaver's Puzzleknot
13%inclusion3 decks23 decks
13%synergy
Glassblower's Puzzleknot
13%inclusion3 decks23 decks
13%synergy
Fabrication Module
13%inclusion3 decks23 decks
13%synergy
The One Ring
13%inclusion3 decks23 decks
4%synergy
Enchantments
Aether Revolt
38%inclusion3 decks8 decks
37%synergy
Static Prison
36%inclusion4 decks11 decks
36%synergy
Sylvan Library
35%inclusion8 decks23 decks
25%synergy
Smothering Tithe
27%inclusion3 decks11 decks
6%synergy
Rhystic Study
26%inclusion6 decks23 decks
2%synergy
Virtue of Knowledge
22%inclusion5 decks23 decks
20%synergy
Growing Rites of Itlimoc
22%inclusion5 decks23 decks
16%synergy
Mystic Remora
22%inclusion5 decks23 decks
5%synergy
Guardian Project
13%inclusion3 decks23 decks
5%synergy
Utility Lands
Otawara, Soaring City
39%inclusion9 decks23 decks
23%synergy
Boseiju, Who Endures
39%inclusion9 decks23 decks
20%synergy
Yavimaya, Cradle of Growth
30%inclusion7 decks23 decks
22%synergy
HELIOS One
26%inclusion6 decks23 decks
26%synergy
Urborg, Tomb of Yawgmoth
26%inclusion6 decks23 decks
17%synergy
Mistrise Village
23%inclusion3 decks13 decks
15%synergy
Gaea's Cradle
13%inclusion3 decks23 decks
7%synergy
Shifting Woodland
13%inclusion3 decks23 decks
6%synergy
Ancient Tomb
13%inclusion3 decks23 decks
3%synergy
Mana Artifacts
Sol Ring
83%inclusion19 decks23 decks
-1%synergy
Arcane Signet
70%inclusion16 decks23 decks
-3%synergy
Solar Transformer
35%inclusion8 decks23 decks
34%synergy
Conversion Apparatus
22%inclusion5 decks23 decks
21%synergy
Lotus Petal
22%inclusion5 decks23 decks
15%synergy
Talisman of Resilience
17%inclusion4 decks23 decks
5%synergy
Talisman of Curiosity
17%inclusion4 decks23 decks
4%synergy
Fellwar Stone
17%inclusion4 decks23 decks
-3%synergy
Talisman of Dominance
17%inclusion4 decks23 decks
-16%synergy
Jeweled Lotus
13%inclusion3 decks23 decks
11%synergy
Mox Opal
13%inclusion3 decks23 decks
9%synergy
Mana Vault
13%inclusion3 decks23 decks
7%synergy
Chromatic Lantern
13%inclusion3 decks23 decks
4%synergy
Lands
Command Tower
96%inclusion22 decks23 decks
21%synergy
Verdant Catacombs
74%inclusion17 decks23 decks
63%synergy
Misty Rainforest
74%inclusion17 decks23 decks
62%synergy
Polluted Delta
74%inclusion17 decks23 decks
62%synergy
Breeding Pool
74%inclusion17 decks23 decks
32%synergy
Watery Grave
70%inclusion16 decks23 decks
28%synergy
Overgrown Tomb
65%inclusion15 decks23 decks
25%synergy
Temple Garden
64%inclusion7 decks11 decks
25%synergy
Taiga
63%inclusion5 decks8 decks
50%synergy
Windswept Heath
61%inclusion14 decks23 decks
50%synergy
Flooded Strand
61%inclusion14 decks23 decks
49%synergy
Exotic Orchard
61%inclusion14 decks23 decks
25%synergy
Marsh Flats
57%inclusion13 decks23 decks
46%synergy
Savannah
55%inclusion6 decks11 decks
42%synergy
Hallowed Fountain
55%inclusion6 decks11 decks
15%synergy
Scalding Tarn
52%inclusion12 decks23 decks
41%synergy
Zagoth Triome
52%inclusion12 decks23 decks
24%synergy
Badlands
50%inclusion4 decks8 decks
37%synergy
Volcanic Island
50%inclusion4 decks8 decks
36%synergy
Aether Hub
48%inclusion11 decks23 decks
47%synergy
Wooded Foothills
48%inclusion11 decks23 decks
37%synergy
Bloodstained Mire
48%inclusion11 decks23 decks
37%synergy
Scrubland
45%inclusion5 decks11 decks
32%synergy
Tundra
45%inclusion5 decks11 decks
31%synergy
City of Brass
43%inclusion10 decks23 decks
36%synergy
Morphic Pool
39%inclusion9 decks23 decks
14%synergy
Rejuvenating Springs
39%inclusion9 decks23 decks
12%synergy
Drowned Catacomb
39%inclusion9 decks23 decks
10%synergy
Woodland Cemetery
39%inclusion9 decks23 decks
8%synergy
Plateau
38%inclusion3 decks8 decks
26%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
35%inclusion8 decks23 decks
28%synergy
Undergrowth Stadium
35%inclusion8 decks23 decks
11%synergy
Hinterland Harbor
35%inclusion8 decks23 decks
2%synergy
Arid Mesa
30%inclusion7 decks23 decks
20%synergy
Bayou
30%inclusion7 decks23 decks
17%synergy
Tropical Island
30%inclusion7 decks23 decks
16%synergy
Dreamroot Cascade
30%inclusion7 decks23 decks
9%synergy
Shipwreck Marsh
26%inclusion6 decks23 decks
8%synergy
Llanowar Wastes
26%inclusion6 decks23 decks
-1%synergy
Sunken Hollow
26%inclusion6 decks23 decks
-8%synergy
Deathcap Glade
22%inclusion5 decks23 decks
9%synergy
Underground Sea
22%inclusion5 decks23 decks
7%synergy
Underground River
22%inclusion5 decks23 decks
-1%synergy
Yavimaya Coast
22%inclusion5 decks23 decks
-6%synergy
Opulent Palace
22%inclusion5 decks23 decks
-7%synergy