Aluren + Cavern Harpy

Aluren
Cavern Harpy

Requires
Aluren must be on the battlefield. Cavern Harpy must be in hand.
Steps
  1. Cast Cavern Harpy without paying its mana cost.
  2. Cavern Harpy enters the battlefield, triggering to return itself to your hand.
  3. Repeat.
Results
Infinite ETB. Infinite LTB. Infinite storm count.

Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
3.38% of 3728 decks 126 decks
Yarok, the Desecrated
0.68% of 10412 decks 71 decks
Thrasios, Triton Hero // Tymna the Weaver
0.32% of 5622 decks 18 decks
Tasigur, the Golden Fang
0.24% of 5816 decks 14 decks
Atraxa, Grand Unifier
0.09% of 14209 decks 13 decks
Muldrotha, the Gravetide
0.08% of 15112 decks 12 decks
Zimone and Dina
0.13% of 6969 decks 9 decks
Kenrith, the Returned King
0.04% of 21513 decks 8 decks
Damia, Sage of Stone
0.23% of 3022 decks 7 decks
Jenson Carthalion, Druid Exile
0.29% of 2454 decks 7 decks
Indominus Rex, Alpha
0.13% of 4628 decks 6 decks
Esika, God of the Tree
0.03% of 17767 decks 5 decks
Yidris, Maelstrom Wielder
0.06% of 6600 decks 4 decks
Cecily, Haunted Mage // Elmar, Ulvenwald Informant
0.55% of 729 decks 4 decks
Morophon, the Boundless
0.04% of 9863 decks 4 decks
Najeela, the Blade-Blossom
0.03% of 10759 decks 3 decks
Thrasios, Triton Hero // Vial Smasher the Fierce
0.09% of 3518 decks 3 decks
Felix Five-Boots
0.09% of 3292 decks 3 decks
New Cards
Silent Hallcreeper
50% of 8 decks +42% synergy
Gloomlake Verge
27% of 11 decks +8% synergy
High Synergy Cards
Recruiter of the Guard
55% of 78 decks +52% synergy
Eladamri's Call
63% of 79 decks +52% synergy
Enlightened Tutor
67% of 79 decks +49% synergy
Birds of Paradise
73% of 358 decks +46% synergy
Guide of Souls
45% of 11 decks +42% synergy
Orcish Bowmasters
52% of 172 decks +41% synergy
Pollywog Prodigy
53% of 30 decks +40% synergy
Baleful Strix
53% of 356 decks +40% synergy
Deathrite Shaman
50% of 356 decks +38% synergy
Abrupt Decay
48% of 356 decks +38% synergy
Top Cards
Swords to Plowshares
62% of 79 decks -1% synergy
Assassin's Trophy
60% of 354 decks +29% synergy
Rhystic Study
55% of 358 decks +27% synergy
Eternal Witness
55% of 357 decks +34% synergy
Noble Hierarch
53% of 78 decks +36% synergy
Worldly Tutor
49% of 358 decks +35% synergy
Mystic Remora
49% of 358 decks +31% synergy
Cyclonic Rift
49% of 357 decks +21% synergy
Leyline of the Guildpact
44% of 9 decks +21% synergy
Swan Song
44% of 357 decks +28% synergy
Creatures
Imperial Recruiter
55% of 53 decks +49% synergy
Thassa's Oracle
43% of 349 decks +35% synergy
Delighted Halfling
42% of 179 decks +28% synergy
Dockside Extortionist
42% of 52 decks +29% synergy
Llanowar Elves
42% of 358 decks +21% synergy
Elves of Deep Shadow
39% of 357 decks +28% synergy
Aragorn, the Uniter
37% of 19 decks +32% synergy
Ignoble Hierarch
36% of 50 decks +10% synergy
Acererak the Archlich
35% of 333 decks +35% synergy
Fyndhorn Elves
34% of 358 decks +21% synergy
Elvish Mystic
34% of 357 decks +16% synergy
Opposition Agent
33% of 346 decks +26% synergy
Grand Abolisher
32% of 78 decks +23% synergy
Esper Sentinel
32% of 75 decks +11% synergy
Spellseeker
30% of 355 decks +27% synergy
Eternal Scourge
30% of 356 decks +30% synergy
Coiling Oracle
30% of 357 decks +22% synergy
Avacyn's Pilgrim
29% of 78 decks +15% synergy
Cloud of Faeries
28% of 358 decks +26% synergy
Shrieking Drake
28% of 358 decks +27% synergy
Misthollow Griffin
27% of 357 decks +27% synergy
Knight of Autumn
27% of 77 decks +25% synergy
Dauthi Voidwalker
26% of 341 decks +18% synergy
Bloom Tender
26% of 357 decks +18% synergy
Ice-Fang Coatl
26% of 355 decks +25% synergy
Destiny Spinner
25% of 349 decks +20% synergy
Uro, Titan of Nature's Wrath
25% of 349 decks +20% synergy
Aether Channeler
24% of 278 decks +22% synergy
Arbor Elf
24% of 357 decks +18% synergy
Academy Rector
23% of 79 decks +22% synergy
Kutzil, Malamet Exemplar
23% of 22 decks +3% synergy
Horned Kavu
23% of 53 decks +23% synergy
Parasitic Strix
22% of 357 decks +22% synergy
Elesh Norn, Mother of Machines
22% of 51 decks +17% synergy
Corpse Knight
21% of 75 decks +16% synergy
Dour Port-Mage
21% of 33 decks +15% synergy
Faeburrow Elder
21% of 76 decks +9% synergy
Endurance
21% of 342 decks +18% synergy
Drannith Magistrate
20% of 76 decks +13% synergy
Gilded Drake
20% of 358 decks +17% synergy
Ranger-Captain of Eos
19% of 77 decks +15% synergy
Squee, the Immortal
19% of 52 decks +17% synergy
Delney, Streetwise Lookout
19% of 21 decks +14% synergy
Aven Interrupter
19% of 16 decks +15% synergy
Reclamation Sage
18% of 357 decks +7% synergy
Collector Ouphe
18% of 355 decks +15% synergy
Man-o'-War
17% of 358 decks +17% synergy
Elvish Spirit Guide
17% of 358 decks +14% synergy
Whitemane Lion
17% of 78 decks +15% synergy
Phantasmal Image
16% of 357 decks +12% synergy
Instants
Vampiric Tutor
62% of 357 decks +44% synergy
Force of Will
44% of 358 decks +33% synergy
Mystical Tutor
41% of 358 decks +26% synergy
Veil of Summer
39% of 354 decks +33% synergy
An Offer You Can't Refuse
38% of 313 decks +18% synergy
Demonic Consultation
35% of 357 decks +31% synergy
Noxious Revival
34% of 357 decks +29% synergy
Force of Negation
33% of 355 decks +24% synergy
Fierce Guardianship
32% of 348 decks +14% synergy
Pact of Negation
31% of 357 decks +24% synergy
Dark Ritual
30% of 357 decks +8% synergy
Tainted Pact
30% of 357 decks +26% synergy
Flusterstorm
29% of 357 decks +22% synergy
Mana Drain
29% of 358 decks +14% synergy
Counterspell
28% of 358 decks -15% synergy
Brainstorm
28% of 358 decks +6% synergy
Silence
23% of 78 decks +17% synergy
Nature's Claim
23% of 357 decks +13% synergy
Mental Misstep
23% of 357 decks +17% synergy
Path to Exile
22% of 78 decks -24% synergy
Ephemerate
21% of 77 decks +15% synergy
Strix Serenade
21% of 58 decks +14% synergy
Ad Nauseam
21% of 356 decks +17% synergy
Beast Within
20% of 357 decks -19% synergy
Dovin's Veto
19% of 77 decks +0% synergy
Lim-Dûl's Vault
19% of 357 decks +15% synergy
Chain of Vapor
19% of 358 decks +15% synergy
Deflecting Swat
17% of 52 decks +1% synergy
Crop Rotation
15% of 358 decks +5% synergy
Heroic Intervention
15% of 356 decks -15% synergy
Anguished Unmaking
14% of 77 decks -10% synergy
Chord of Calling
14% of 357 decks +8% synergy
Arcane Denial
14% of 358 decks -6% synergy
Culling the Weak
13% of 357 decks +9% synergy
Deadly Rollick
13% of 347 decks +2% synergy
Force of Vigor
12% of 355 decks +9% synergy
Dispel
12% of 357 decks +8% synergy
Sink into Stupor
12% of 58 decks -1% synergy
Teferi's Protection
12% of 77 decks -8% synergy
Pyroblast
11% of 53 decks +5% synergy
Red Elemental Blast
11% of 53 decks +5% synergy
Delay
11% of 357 decks +8% synergy
Entomb
11% of 357 decks +3% synergy
Fire Covenant
10% of 52 decks +6% synergy
Spell Pierce
10% of 357 decks +6% synergy
Snap
9% of 358 decks +2% synergy
Miscast
9% of 347 decks +7% synergy
Ghostly Flicker
9% of 357 decks +4% synergy
Negate
9% of 357 decks -14% synergy
Mindbreak Trap
8% of 357 decks +4% synergy
Sorceries
Demonic Tutor
72% of 357 decks +50% synergy
Diabolic Intent
38% of 357 decks +29% synergy
Neoform
35% of 355 decks +30% synergy
Toxic Deluge
30% of 356 decks +13% synergy
Imperial Seal
28% of 357 decks +22% synergy
Idyllic Tutor
26% of 78 decks +21% synergy
Eldritch Evolution
24% of 356 decks +20% synergy
Finale of Devastation
24% of 355 decks +15% synergy
Farseek
21% of 357 decks -14% synergy
Culling Ritual
20% of 342 decks +9% synergy
Ponder
20% of 357 decks +7% synergy
Three Visits
20% of 358 decks -5% synergy
Nature's Lore
20% of 358 decks -12% synergy
Gitaxian Probe
19% of 357 decks +13% synergy
Reanimate
18% of 357 decks +3% synergy
Green Sun's Zenith
17% of 357 decks +11% synergy
Sevinne's Reclamation
14% of 76 decks +7% synergy
Yawgmoth's Will
14% of 357 decks +12% synergy
Cultivate
14% of 357 decks -33% synergy
Preordain
13% of 357 decks +2% synergy
Beseech the Mirror
12% of 129 decks +8% synergy
Grim Tutor
12% of 357 decks +8% synergy
Rampant Growth
12% of 358 decks -23% synergy
Windfall
12% of 358 decks -1% synergy
Unearth
11% of 357 decks +8% synergy
Gamble
11% of 53 decks +1% synergy
Praetor's Grasp
10% of 356 decks +8% synergy
Extract
10% of 358 decks +10% synergy
Manipulate Fate
10% of 358 decks +10% synergy
Ruinous Ultimatum
10% of 40 decks -8% synergy
Jeska's Will
10% of 52 decks -8% synergy
Kodama's Reach
10% of 357 decks -22% synergy
Damnation
8% of 356 decks -0% synergy
Supreme Verdict
8% of 78 decks -6% synergy
Wheel of Fortune
8% of 53 decks +2% synergy
Chain of Smog
7% of 357 decks +6% synergy
Diabolic Tutor
7% of 357 decks +0% synergy
Prismatic Ending
7% of 75 decks +7% synergy
Tendrils of Agony
6% of 357 decks +6% synergy
Wargate
6% of 78 decks +3% synergy
Altar of Bone
6% of 79 decks +6% synergy
Lórien Revealed
6% of 134 decks +2% synergy
Wave Goodbye
6% of 104 decks +3% synergy
Past in Flames
6% of 52 decks +3% synergy
Grapeshot
6% of 52 decks +2% synergy
Blasphemous Act
6% of 52 decks -28% synergy
Skyshroud Claim
6% of 358 decks -4% synergy
Glimpse of Nature
5% of 357 decks +5% synergy
Foresight
5% of 358 decks +5% synergy
Regrowth
5% of 358 decks +2% synergy
Utility Artifacts
Cloudstone Curio
26% of 357 decks +25% synergy
The One Ring
21% of 205 decks +12% synergy
Wishclaw Talisman
20% of 349 decks +15% synergy
Panharmonicon
17% of 356 decks +13% synergy
Lightning Greaves
16% of 357 decks -10% synergy
Sensei's Divining Top
11% of 357 decks +5% synergy
Birthing Pod
8% of 357 decks +6% synergy
The Ozolith
8% of 348 decks +5% synergy
Ozolith, the Shattered Spire
8% of 198 decks +2% synergy
Swiftfoot Boots
7% of 357 decks -21% synergy
Phyrexian Altar
6% of 358 decks +2% synergy
The Great Henge
6% of 350 decks -4% synergy
Aetherflux Reservoir
5% of 356 decks +2% synergy
Skullclamp
5% of 357 decks -7% synergy
Enchantments
Sylvan Library
41% of 358 decks +29% synergy
Food Chain
31% of 358 decks +30% synergy
Carpet of Flowers
28% of 358 decks +24% synergy
Aura Shards
22% of 79 decks +12% synergy
Impact Tremors
21% of 52 decks +12% synergy
Wild Growth
21% of 358 decks +10% synergy
Chthonian Nightmare
20% of 61 decks +17% synergy
Sterling Grove
16% of 79 decks +8% synergy
Necropotence
16% of 357 decks +11% synergy
Survival of the Fittest
16% of 358 decks +14% synergy
Mana Cannons
15% of 41 decks +14% synergy
Rhythm of the Wild
13% of 52 decks -10% synergy
Utopia Sprawl
11% of 357 decks +4% synergy
Widespread Thieving
11% of 35 decks +9% synergy
Guardian Project
11% of 355 decks +2% synergy
Primal Prayers
10% of 58 decks +10% synergy
Virtue of Knowledge
10% of 130 decks +7% synergy
Goblin Bombardment
9% of 53 decks +3% synergy
Smothering Tithe
9% of 77 decks -16% synergy
Mass Hysteria
8% of 52 decks +7% synergy
Song of Creation
8% of 52 decks +5% synergy
Intruder Alarm
7% of 358 decks +5% synergy
Swift Reconfiguration
7% of 72 decks +6% synergy
Deafening Silence
7% of 76 decks +4% synergy
Animate Dead
6% of 357 decks -3% synergy
Stony Silence
6% of 78 decks +5% synergy
Birthing Ritual
6% of 49 decks +5% synergy
Court of Garenbrig
6% of 117 decks +2% synergy
Pernicious Deed
6% of 357 decks +4% synergy
Earthcraft
6% of 358 decks +5% synergy
Underworld Breach
6% of 52 decks -0% synergy
Fervor
6% of 53 decks +4% synergy
Necromancy
6% of 357 decks +3% synergy
Hardened Scales
6% of 357 decks -3% synergy
Exploration
5% of 358 decks -3% synergy
Battles
Invasion of Ikoria
11% of 194 decks +6% synergy
Planeswalkers
Teferi, Time Raveler
17% of 77 decks +10% synergy
Oko, Thief of Crowns
12% of 350 decks +6% synergy
Jace, Wielder of Mysteries
6% of 355 decks +2% synergy
Grist, the Hunger Tide
6% of 341 decks +2% synergy
Ashiok, Dream Render
5% of 354 decks +1% synergy
Utility Lands
Boseiju, Who Endures
44% of 325 decks +24% synergy
Ancient Tomb
35% of 358 decks +24% synergy
Otawara, Soaring City
30% of 325 decks +13% synergy
Yavimaya, Cradle of Growth
30% of 342 decks +21% synergy
Urborg, Tomb of Yawgmoth
25% of 357 decks +15% synergy
Gaea's Cradle
19% of 358 decks +13% synergy
Reliquary Tower
15% of 357 decks -15% synergy
Bojuka Bog
13% of 356 decks -17% synergy
Shifting Woodland
12% of 58 decks +2% synergy
Takenuma, Abandoned Mire
12% of 324 decks +1% synergy
Dryad Arbor
11% of 357 decks +7% synergy
Urza's Saga
8% of 342 decks +1% synergy
Hall of Heliod's Generosity
8% of 77 decks +1% synergy
Phyrexian Tower
7% of 357 decks -1% synergy
Field of the Dead
6% of 354 decks +3% synergy
Strip Mine
6% of 358 decks +3% synergy
Mystic Sanctuary
6% of 350 decks -6% synergy
Cephalid Coliseum
6% of 358 decks +3% synergy
Alchemist's Refuge
6% of 357 decks -1% synergy
Rogue's Passage
5% of 357 decks -14% synergy
Mana Artifacts
Sol Ring
83% of 358 decks -2% synergy
Arcane Signet
60% of 350 decks -12% synergy
Mana Crypt
38% of 358 decks +29% synergy
Chrome Mox
31% of 357 decks +25% synergy
Lotus Petal
29% of 358 decks +22% synergy
Mox Diamond
26% of 358 decks +22% synergy
Mana Vault
23% of 358 decks +16% synergy
Fellwar Stone
18% of 358 decks -3% synergy
Jeweled Lotus
14% of 347 decks +8% synergy
Talisman of Dominance
14% of 356 decks -18% synergy
Talisman of Curiosity
14% of 355 decks +1% synergy
Simic Signet
11% of 357 decks -4% synergy
Chromatic Lantern
10% of 357 decks +1% synergy
Talisman of Resilience
9% of 354 decks -3% synergy
Golgari Signet
8% of 356 decks -4% synergy
Dimir Signet
8% of 356 decks -21% synergy
Mox Amber
7% of 355 decks +3% synergy
Talisman of Progress
5% of 78 decks -18% synergy
Mox Opal
5% of 357 decks +1% synergy
Lands
Command Tower
91% of 357 decks +17% synergy
Breeding Pool
83% of 357 decks +42% synergy
Overgrown Tomb
82% of 356 decks +39% synergy
Watery Grave
81% of 356 decks +40% synergy
Verdant Catacombs
77% of 357 decks +65% synergy
Misty Rainforest
77% of 357 decks +65% synergy
Temple Garden
76% of 78 decks +35% synergy
Polluted Delta
74% of 358 decks +63% synergy
Stomping Ground
63% of 52 decks +22% synergy
Blood Crypt
61% of 51 decks +22% synergy
Hallowed Fountain
60% of 78 decks +19% synergy
Godless Shrine
60% of 77 decks +19% synergy
Steam Vents
58% of 52 decks +19% synergy
Windswept Heath
51% of 358 decks +41% synergy
Flooded Strand
51% of 358 decks +40% synergy
Marsh Flats
50% of 357 decks +39% synergy
Wooded Foothills
49% of 358 decks +39% synergy
Bayou
48% of 357 decks +35% synergy
Tropical Island
48% of 358 decks +34% synergy
Underground Sea
47% of 357 decks +33% synergy
Scrubland
46% of 78 decks +33% synergy
Scalding Tarn
46% of 357 decks +35% synergy
City of Brass
46% of 358 decks +38% synergy
Savannah
46% of 79 decks +33% synergy
Zagoth Triome
46% of 347 decks +15% synergy
Rejuvenating Springs
45% of 347 decks +17% synergy
Tundra
44% of 79 decks +30% synergy
Undergrowth Stadium
43% of 346 decks +17% synergy
Bloodstained Mire
43% of 358 decks +33% synergy
Morphic Pool
43% of 354 decks +17% synergy
Badlands
42% of 52 decks +29% synergy
Spara's Headquarters
42% of 71 decks +10% synergy
Exotic Orchard
42% of 357 decks +6% synergy
Taiga
42% of 53 decks +28% synergy
Volcanic Island
42% of 53 decks +28% synergy
Mana Confluence
41% of 357 decks +34% synergy
Ketria Triome
40% of 52 decks +8% synergy
Plateau
38% of 42 decks +26% synergy
Indatha Triome
37% of 75 decks +6% synergy
Sacred Foundry
37% of 41 decks +0% synergy
Hedge Maze
36% of 100 decks +22% synergy
Ziatora's Proving Ground
33% of 45 decks +1% synergy
Raffine's Tower
27% of 70 decks -1% synergy
Raugrin Triome
27% of 41 decks +0% synergy
Yavimaya Coast
26% of 358 decks -0% synergy
Jetmir's Garden
25% of 36 decks -8% synergy
Llanowar Wastes
24% of 357 decks -1% synergy
Undercity Sewers
24% of 99 decks +10% synergy
Underground Mortuary
24% of 99 decks +8% synergy
Lush Portico
24% of 21 decks +12% synergy