Primal Prayers
Guide of Souls
Cavern Harpy

   Prerequisites

What do I need to start this combo?
Cavern Harpy in hand.
Primal Prayers and Guide of Souls 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 Guide of Souls trigger.
3
Resolve the Guide of Souls trigger, causing you to get e and gain 1 life.
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 lifegain triggers
Infinite lifegain
Infinite storm count
Thrasios, Triton Hero // Tymna the Weaver
0.09% of 6872 decks 6 decks
Atraxa, Grand Unifier
0.03% of 10419 decks 3 decks
Jenson Carthalion, Druid Exile
0.11% of 1751 decks 2 decks
Garth One-Eye
0.06% of 3211 decks 2 decks
Ulalek, Fused Atrocity
0.01% of 19650 decks 1 decks
Go-Shintai of Life's Origin
0.01% of 11653 decks 1 decks
Ramos, Dragon Engine
0.01% of 7174 decks 1 decks
Rukarumel, Biologist
0.04% of 2491 decks 1 decks
Esika, God of the Tree
0.01% of 14328 decks 1 decks
Niv-Mizzet, Guildpact
0.04% of 2490 decks 1 decks
New Cards
Ambrosia Whiteheart
25% of 4 decks +24% synergy
Ishgard, the Holy See
25% of 4 decks +21% synergy
Jill, Shiva's Dominant
25% of 4 decks +24% synergy
Emet-Selch, Unsundered
14% of 7 decks +13% synergy
High Synergy Cards
Recruiter of the Guard
58% of 19 decks +55% synergy
Aluren
53% of 19 decks +52% synergy
Decoction Module
53% of 19 decks +52% synergy
Chthonian Nightmare
53% of 19 decks +51% synergy
Volatile Stormdrake
53% of 19 decks +51% synergy
Rogue Refiner
47% of 19 decks +47% synergy
Imperial Recruiter
50% of 10 decks +45% synergy
Eladamri's Call
53% of 19 decks +43% synergy
Noble Hierarch
58% of 19 decks +42% synergy
Chord of Calling
47% of 19 decks +42% synergy
Top Cards
Birds of Paradise
63% of 19 decks +36% synergy
Eternal Witness
58% of 19 decks +39% synergy
Deathrite Shaman
53% of 19 decks +41% synergy
Ignoble Hierarch
50% of 10 decks +25% synergy
Bloom Tender
47% of 19 decks +40% synergy
Swan Song
47% of 19 decks +31% synergy
Swords to Plowshares
47% of 19 decks -15% synergy
Wrath of the Skies
42% of 19 decks +42% synergy
Neoform
42% of 19 decks +38% synergy
Fierce Guardianship
42% of 19 decks +24% synergy
Game Changers
Enlightened Tutor
68% of 19 decks +52% synergy
Demonic Tutor
58% of 19 decks +37% synergy
Worldly Tutor
47% of 19 decks +35% synergy
Vampiric Tutor
47% of 19 decks +31% synergy
Mox Diamond
42% of 19 decks +38% synergy
Chrome Mox
42% of 19 decks +36% synergy
Force of Will
42% of 19 decks +31% synergy
Thassa's Oracle
37% of 19 decks +30% synergy
Orcish Bowmasters
37% of 19 decks +28% synergy
Gaea's Cradle
32% of 19 decks +26% synergy
Creatures
Delighted Halfling
37% of 19 decks +25% synergy
Baleful Strix
37% of 19 decks +24% synergy
Esper Sentinel
37% of 19 decks +17% synergy
Greenbelt Rampager
32% of 19 decks +31% synergy
Acererak the Archlich
32% of 19 decks +31% synergy
Academy Rector
32% of 19 decks +31% synergy
Shrieking Drake
32% of 19 decks +31% synergy
Elvish Spirit Guide
32% of 19 decks +28% synergy
Ranger-Captain of Eos
32% of 19 decks +27% synergy
Burning-Tree Emissary
30% of 10 decks +30% synergy
Metastatic Evangel
26% of 19 decks +24% synergy
Man-o'-War
21% of 19 decks +21% synergy
Niambi, Esteemed Speaker
21% of 19 decks +21% synergy
Ukkima, Stalking Shadow
21% of 19 decks +20% synergy
Roil Cartographer
21% of 19 decks +20% synergy
Ice-Fang Coatl
21% of 19 decks +20% synergy
Whitemane Lion
21% of 19 decks +20% synergy
Satoru, the Infiltrator
21% of 19 decks +19% synergy
Phantasmal Image
21% of 19 decks +18% synergy
Spellseeker
21% of 19 decks +18% synergy
Delney, Streetwise Lookout
21% of 19 decks +18% synergy
Uro, Titan of Nature's Wrath
21% of 19 decks +16% synergy
Archivist of Oghma
21% of 19 decks +16% synergy
Coiling Oracle
21% of 19 decks +15% synergy
Grand Abolisher
21% of 19 decks +12% synergy
Lotho, Corrupt Shirriff
21% of 19 decks +8% synergy
Avacyn's Pilgrim
21% of 19 decks +8% synergy
Kutzil, Malamet Exemplar
21% of 19 decks +7% synergy
Dour Port-Mage
17% of 18 decks +14% synergy
Parasitic Strix
16% of 19 decks +16% synergy
Stonecloaker
16% of 19 decks +16% synergy
Priest of Gix
16% of 19 decks +15% synergy
Aetherstorm Roc
16% of 19 decks +15% synergy
Riddle Gate Gargoyle
16% of 19 decks +15% synergy
Cauldron Familiar
16% of 19 decks +15% synergy
Moon-Blessed Cleric
16% of 19 decks +14% synergy
Cloud of Faeries
16% of 19 decks +14% synergy
Endurance
16% of 19 decks +14% synergy
Devoted Druid
16% of 19 decks +13% synergy
Drannith Magistrate
16% of 19 decks +10% synergy
Opposition Agent
16% of 19 decks +10% synergy
Seedborn Muse
16% of 19 decks +8% synergy
Viscera Seer
16% of 19 decks +7% synergy
Faeburrow Elder
16% of 19 decks +5% synergy
Instants
Mental Misstep
32% of 19 decks +26% synergy
Pact of Negation
32% of 19 decks +25% synergy
Rush of Inspiration
30% of 10 decks +28% synergy
Flusterstorm
26% of 19 decks +19% synergy
Force of Negation
26% of 19 decks +18% synergy
Deadly Rollick
26% of 19 decks +14% synergy
Mana Drain
26% of 19 decks +12% synergy
Dovin's Veto
26% of 19 decks +8% synergy
Cyclonic Rift
26% of 19 decks +1% synergy
Tune the Narrative
21% of 19 decks +20% synergy
Noxious Revival
21% of 19 decks +16% synergy
Silence
21% of 19 decks +15% synergy
An Offer You Can't Refuse
21% of 19 decks -2% synergy
Assassin's Trophy
21% of 19 decks -9% synergy
Glimmer of Genius
16% of 19 decks +15% synergy
Delay
16% of 19 decks +14% synergy
Force of Vigor
16% of 19 decks +13% synergy
Tainted Pact
16% of 19 decks +12% synergy
Mindbreak Trap
16% of 19 decks +11% synergy
Veil of Summer
16% of 19 decks +10% synergy
Ephemerate
16% of 19 decks +10% synergy
Crop Rotation
16% of 19 decks +6% synergy
Abrupt Decay
16% of 19 decks +6% synergy
Path to Exile
16% of 19 decks -31% synergy
Sorceries
Finale of Devastation
37% of 19 decks +29% synergy
Jolted Awake
26% of 19 decks +26% synergy
Eldritch Evolution
26% of 19 decks +22% synergy
Green Sun's Zenith
26% of 19 decks +21% synergy
Imperial Seal
21% of 19 decks +15% synergy
Nature's Lore
21% of 19 decks -10% synergy
Live Fast
16% of 19 decks +16% synergy
Beseech the Mirror
16% of 19 decks +13% synergy
Reanimate
16% of 19 decks -2% synergy
Toxic Deluge
16% of 19 decks -3% synergy
Three Visits
16% of 19 decks -9% synergy
Cultivate
16% of 19 decks -28% synergy
Utility Artifacts
Cloudstone Curio
37% of 19 decks +36% synergy
The One Ring
32% of 19 decks +23% synergy
Izzet Generatorium
30% of 10 decks +28% synergy
Aetherflux Reservoir
26% of 19 decks +23% synergy
Birthing Pod
16% of 19 decks +14% synergy
Enchantments
Rhystic Study
42% of 19 decks +16% synergy
Mystic Remora
37% of 19 decks +20% synergy
Sylvan Library
32% of 19 decks +22% synergy
Aether Revolt
30% of 10 decks +29% synergy
Impact Tremors
30% of 10 decks +20% synergy
Static Prison
26% of 19 decks +26% synergy
Survival of the Fittest
26% of 19 decks +25% synergy
Smothering Tithe
26% of 19 decks +3% synergy
Carpet of Flowers
16% of 19 decks +12% synergy
Wild Growth
16% of 19 decks +5% synergy
Planeswalkers
Oko, Thief of Crowns
21% of 19 decks +16% synergy
Utility Lands
Boseiju, Who Endures
42% of 19 decks +23% synergy
Otawara, Soaring City
26% of 19 decks +10% synergy
Shifting Woodland
21% of 19 decks +14% synergy
Strip Mine
16% of 19 decks +13% synergy
Dryad Arbor
16% of 19 decks +12% synergy
Ancient Tomb
16% of 19 decks +6% synergy
Reliquary Tower
16% of 19 decks -14% synergy
Mana Artifacts
Sol Ring
84% of 19 decks +0% synergy
Arcane Signet
63% of 19 decks -9% synergy
Lotus Petal
37% of 19 decks +30% synergy
Mox Amber
26% of 19 decks +22% synergy
Chromatic Lantern
21% of 19 decks +12% synergy
Solar Transformer
16% of 19 decks +15% synergy
Mana Vault
16% of 19 decks +10% synergy
Lands
Command Tower
95% of 19 decks +20% synergy
Polluted Delta
89% of 19 decks +78% synergy
Verdant Catacombs
84% of 19 decks +73% synergy
Wooded Foothills
79% of 19 decks +68% synergy
Windswept Heath
79% of 19 decks +68% synergy
Marsh Flats
79% of 19 decks +68% synergy
Flooded Strand
79% of 19 decks +68% synergy
Misty Rainforest
79% of 19 decks +67% synergy
Breeding Pool
74% of 19 decks +34% synergy
Scalding Tarn
68% of 19 decks +57% synergy
Savannah
63% of 19 decks +50% synergy
Exotic Orchard
63% of 19 decks +27% synergy
Watery Grave
63% of 19 decks +23% synergy
Bloodstained Mire
58% of 19 decks +47% synergy
Tropical Island
58% of 19 decks +44% synergy
Temple Garden
58% of 19 decks +19% synergy
Mana Confluence
53% of 19 decks +46% synergy
City of Brass
53% of 19 decks +45% synergy
Arid Mesa
53% of 19 decks +42% synergy
Bayou
53% of 19 decks +39% synergy
Scrubland
53% of 19 decks +39% synergy
Hallowed Fountain
53% of 19 decks +13% synergy
Taiga
50% of 10 decks +37% synergy
Tundra
47% of 19 decks +33% synergy
Underground Sea
47% of 19 decks +33% synergy
Overgrown Tomb
47% of 19 decks +7% synergy
Badlands
40% of 10 decks +27% synergy
Volcanic Island
40% of 10 decks +26% synergy
Aether Hub
37% of 19 decks +36% synergy
Zagoth Triome
32% of 19 decks +3% synergy
Godless Shrine
32% of 19 decks -8% synergy
Plateau
30% of 10 decks +18% synergy
Sacred Foundry
30% of 10 decks -5% synergy
Blood Crypt
30% of 10 decks -8% synergy
Steam Vents
30% of 10 decks -8% synergy
Stomping Ground
30% of 10 decks -10% synergy
Reflecting Pool
26% of 19 decks +21% synergy
Spara's Headquarters
26% of 19 decks -3% synergy
Indatha Triome
21% of 19 decks -8% synergy
Forbidden Orchard
16% of 19 decks +13% synergy
Gemstone Caverns
16% of 19 decks +11% synergy
Cavern of Souls
16% of 19 decks +9% synergy
Path of Ancestry
16% of 19 decks -6% synergy
Bountiful Promenade
16% of 19 decks -8% synergy
Morphic Pool
16% of 19 decks -10% synergy
Raffine's Tower
16% of 19 decks -10% synergy
Sea of Clouds
16% of 19 decks -10% synergy
Rejuvenating Springs
16% of 19 decks -12% synergy