Earthcraft
Fertile Ground
Horseshoe Crab
1

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Fertile Ground attached to a basic land you control.

   Steps

How does this combo work?
1
Activate the basic land with Fertile Ground attached by tapping it, adding at least 1.
2
Fertile Ground triggers, adding .
3
Activate Earthcraft by tapping Horseshoe Crab, untapping the basic land.
4
Activate Horseshoe Crab by paying , untapping it.
5
Repeat.
6
If the basic land is an Island, you may add mana of any color using Fertile Ground's trigger, and you may infinitely repeat steps 3-4 with any other basic land you control.

   Results

What do I get from this combo?
Infinite colored mana
Infinite untap of basic lands you control
Nadu, Winged Wisdom
0.02% of 5922 decks 1 decks
Arcades Sabboth
0.47% of 215 decks 1 decks
Riku of Two Reflections
0.02% of 4935 decks 1 decks
Rashmi, Eternities Crafter
0.05% of 2008 decks 1 decks
Arixmethes, Slumbering Isle
0.02% of 4097 decks 1 decks
Tevesh Szat, Doom of Fools // Thrasios, Triton Hero
0.05% of 2070 decks 1 decks
Derevi, Empyrial Tactician
0.01% of 8714 decks 1 decks
Kydele, Chosen of Kruphix // Thrasios, Triton Hero
0.24% of 412 decks 1 decks
Esika, God of the Tree
0.01% of 19661 decks 1 decks
High Synergy Cards
Wild Growth
67% of 9 decks +56% synergy
Freed from the Real
44% of 9 decks +42% synergy
Utopia Sprawl
44% of 9 decks +37% synergy
Mystic Remora
44% of 9 decks +27% synergy
Counterspell
67% of 9 decks +24% synergy
Birds of Paradise
44% of 9 decks +17% synergy
Rampant Growth
44% of 9 decks +10% synergy
Game Changers
Enlightened Tutor
67% of 3 decks +50% synergy
Rhystic Study
56% of 9 decks +29% synergy
Imperial Seal
50% of 2 decks +44% synergy
Vampiric Tutor
50% of 2 decks +33% synergy
Demonic Tutor
50% of 2 decks +29% synergy
Kinnan, Bonder Prodigy
44% of 9 decks +40% synergy
Serra's Sanctum
33% of 3 decks +32% synergy
Seedborn Muse
33% of 9 decks +25% synergy
Force of Will
33% of 9 decks +23% synergy
Mystical Tutor
33% of 9 decks +19% synergy
Creatures
Lotho, Corrupt Shirriff
100% of 1 decks +88% synergy
Avalanche Riders
50% of 2 decks +50% synergy
Kobolds of Kher Keep
50% of 2 decks +50% synergy
Crookshank Kobolds
50% of 2 decks +50% synergy
Crimson Kobolds
50% of 2 decks +50% synergy
Volrath, the Shapestealer
50% of 2 decks +50% synergy
Dack's Duplicate
50% of 2 decks +49% synergy
Necrotic Ooze
50% of 2 decks +49% synergy
Zaxara, the Exemplary
50% of 2 decks +49% synergy
Rograkh, Son of Rohgahh
50% of 2 decks +49% synergy
Kiki-Jiki, Mirror Breaker
50% of 2 decks +47% synergy
Corpsejack Menace
50% of 2 decks +45% synergy
Muldrotha, the Gravetide
50% of 2 decks +43% synergy
Twenty-Toed Toad
40% of 5 decks +38% synergy
Treva's Attendant
33% of 3 decks +33% synergy
Major Teroh
33% of 3 decks +33% synergy
Rasputin Dreamweaver
33% of 3 decks +33% synergy
Silkbind Faerie
33% of 3 decks +33% synergy
Thousand Moons Infantry
33% of 3 decks +33% synergy
Simic Ragworm
33% of 9 decks +33% synergy
Puresight Merrow
33% of 3 decks +33% synergy
Treva, the Renewer
33% of 3 decks +33% synergy
Pili-Pala
33% of 9 decks +33% synergy
Argothian Elder
33% of 9 decks +33% synergy
Fleetfoot Panther
33% of 3 decks +33% synergy
Serra Avatar
33% of 3 decks +33% synergy
Storvald, Frost Giant Jarl
33% of 3 decks +33% synergy
Sunscape Familiar
33% of 3 decks +33% synergy
Marvin, Murderous Mimic
33% of 3 decks +32% synergy
Drumbellower
33% of 3 decks +31% synergy
Deep Gnome Terramancer
33% of 3 decks +31% synergy
Ashaya, Soul of the Wild
33% of 9 decks +30% synergy
Peregrine Drake
33% of 9 decks +30% synergy
Mesa Enchantress
33% of 3 decks +29% synergy
Satyr Enchanter
33% of 3 decks +29% synergy
Kiora's Follower
33% of 9 decks +28% synergy
Enduring Vitality
33% of 3 decks +27% synergy
Shalai, Voice of Plenty
33% of 3 decks +26% synergy
Sythis, Harvest's Hand
33% of 3 decks +26% synergy
Sakura-Tribe Elder
33% of 9 decks +15% synergy
Esper Sentinel
33% of 3 decks +14% synergy
Soliton
22% of 9 decks +22% synergy
Quicksilver Elemental
22% of 9 decks +22% synergy
Morphling
22% of 9 decks +22% synergy
Ley Weaver
22% of 9 decks +22% synergy
Krosan Restorer
22% of 9 decks +22% synergy
Grand Architect
22% of 9 decks +22% synergy
Shrieking Drake
22% of 9 decks +21% synergy
Cloud of Faeries
22% of 9 decks +20% synergy
Deadeye Navigator
22% of 9 decks +20% synergy
Instants
Swords to Plowshares
67% of 3 decks +4% synergy
Volcanic Geyser
50% of 2 decks +50% synergy
Assassin's Trophy
50% of 2 decks +20% synergy
True Love's Kiss
33% of 3 decks +33% synergy
Treva's Charm
33% of 3 decks +33% synergy
Holy Day
33% of 3 decks +33% synergy
Stroke of Genius
33% of 9 decks +32% synergy
Eladamri's Call
33% of 3 decks +23% synergy
Dovin's Veto
33% of 3 decks +15% synergy
Vitalize
22% of 9 decks +21% synergy
Brain Freeze
22% of 9 decks +19% synergy
High Tide
22% of 9 decks +19% synergy
Dramatic Reversal
22% of 9 decks +17% synergy
Snap
22% of 9 decks +15% synergy
Worldly Tutor
22% of 9 decks +9% synergy
Mana Drain
22% of 9 decks +7% synergy
Cyclonic Rift
22% of 9 decks -4% synergy
Dazzling Denial
20% of 5 decks +19% synergy
Polliwallop
17% of 6 decks +16% synergy
Repulsive Mutation
14% of 7 decks +12% synergy
Symbiosis
11% of 9 decks +11% synergy
Word of Undoing
11% of 9 decks +11% synergy
Rescue
11% of 9 decks +11% synergy
Tribal Unity
11% of 9 decks +11% synergy
Echoing Courage
11% of 9 decks +11% synergy
Scatter Ray
11% of 9 decks +11% synergy
Seedtime
11% of 9 decks +11% synergy
Sprouting Vines
11% of 9 decks +11% synergy
Natural Affinity
11% of 9 decks +11% synergy
Early Harvest
11% of 9 decks +11% synergy
Banishing Knack
11% of 9 decks +11% synergy
Avoid Fate
11% of 9 decks +11% synergy
Commander's Insight
11% of 9 decks +11% synergy
Even the Score
11% of 9 decks +11% synergy
Diviner's Portent
11% of 9 decks +11% synergy
Retraction Helix
11% of 9 decks +11% synergy
Benefactor's Draught
11% of 9 decks +11% synergy
Desertion
11% of 9 decks +11% synergy
Essence Capture
11% of 9 decks +11% synergy
Defabricate
11% of 9 decks +10% synergy
Capsize
11% of 9 decks +10% synergy
Turnabout
11% of 9 decks +10% synergy
Memory Lapse
11% of 9 decks +10% synergy
Planar Incision
11% of 9 decks +10% synergy
Biomass Mutation
11% of 9 decks +10% synergy
Impulse
11% of 9 decks +9% synergy
Drown in Dreams
11% of 9 decks +9% synergy
Voidslime
11% of 9 decks +9% synergy
Decisive Denial
11% of 9 decks +9% synergy
Blue Sun's Zenith
11% of 9 decks +9% synergy
Sorceries
Idyllic Tutor
67% of 3 decks +62% synergy
Torment of Hailfire
50% of 2 decks +45% synergy
Villainous Wealth
50% of 2 decks +42% synergy
Blessed Wind
33% of 3 decks +33% synergy
Braingeyser
33% of 9 decks +33% synergy
Armageddon
33% of 3 decks +32% synergy
Day of Judgment
33% of 3 decks +32% synergy
Wrath of God
33% of 3 decks +27% synergy
Three Visits
33% of 9 decks +9% synergy
Cultivate
33% of 9 decks -12% synergy
Mind Spring
22% of 9 decks +21% synergy
Finale of Revelation
22% of 9 decks +20% synergy
Kodama's Reach
22% of 9 decks -8% synergy
Nature's Lore
22% of 9 decks -9% synergy
Splash Portal
17% of 6 decks +15% synergy
Bridgeworks Battle
17% of 6 decks +13% synergy
Mercurial Transformation
11% of 9 decks +11% synergy
Winterthorn Blessing
11% of 9 decks +11% synergy
Crush of Wurms
11% of 9 decks +11% synergy
Cultural Exchange
11% of 9 decks +11% synergy
Seeds of Renewal
11% of 9 decks +11% synergy
Mobilize
11% of 9 decks +11% synergy
Acquire
11% of 9 decks +11% synergy
Rude Awakening
11% of 9 decks +11% synergy
Hurricane
11% of 9 decks +11% synergy
Silver Scrutiny
11% of 9 decks +11% synergy
Time Spiral
11% of 9 decks +11% synergy
Plea for Power
11% of 9 decks +10% synergy
Bribery
11% of 9 decks +10% synergy
Careful Study
11% of 9 decks +10% synergy
Timetwister
11% of 9 decks +10% synergy
Overrun
11% of 9 decks +9% synergy
Genesis Wave
11% of 9 decks +9% synergy
Explosive Vegetation
11% of 9 decks +8% synergy
Green Sun's Zenith
11% of 9 decks +6% synergy
Preordain
11% of 9 decks +1% synergy
Ponder
11% of 9 decks -1% synergy
Windfall
11% of 9 decks -2% synergy
Farseek
11% of 9 decks -23% synergy
Utility Artifacts
Umbral Mantle
33% of 9 decks +32% synergy
Illusionist's Bracers
33% of 9 decks +32% synergy
Isochron Scepter
22% of 9 decks +20% synergy
Swiftfoot Boots
22% of 9 decks -5% synergy
Agatha's Soul Cauldron
14% of 7 decks +13% synergy
Whetstone
11% of 9 decks +11% synergy
Heavy Arbalest
11% of 9 decks +11% synergy
Power Matrix
11% of 9 decks +11% synergy
Snake Basket
11% of 9 decks +11% synergy
Candelabra of Tawnos
11% of 9 decks +11% synergy
Erratic Portal
11% of 9 decks +11% synergy
Shuko
11% of 9 decks +11% synergy
Ensnaring Bridge
11% of 9 decks +11% synergy
Viridian Longbow
11% of 9 decks +11% synergy
Blasting Station
11% of 9 decks +11% synergy
Vedalken Orrery
11% of 9 decks +10% synergy
Mesmeric Orb
11% of 9 decks +10% synergy
Elixir of Immortality
11% of 9 decks +10% synergy
Rings of Brighthearth
11% of 9 decks +10% synergy
Staff of Domination
11% of 9 decks +9% synergy
Coat of Arms
11% of 9 decks +9% synergy
Emerald Medallion
11% of 9 decks +9% synergy
Crucible of Worlds
11% of 9 decks +9% synergy
The Ozolith
11% of 9 decks +8% synergy
Aetherflux Reservoir
11% of 9 decks +8% synergy
Basilisk Collar
11% of 9 decks +7% synergy
Panharmonicon
11% of 9 decks +7% synergy
Ozolith, the Shattered Spire
11% of 9 decks +6% synergy
Lotus Petal
11% of 9 decks +4% synergy
Wayfarer's Bauble
11% of 9 decks +2% synergy
Skullclamp
11% of 9 decks -1% synergy
Lightning Greaves
11% of 9 decks -14% synergy
Enchantments
Sarcomancy
50% of 2 decks +50% synergy
Cadaverous Bloom
50% of 2 decks +50% synergy
Splinter Twin
50% of 2 decks +49% synergy
Samite Blessing
33% of 3 decks +33% synergy
Ocular Halo
33% of 3 decks +33% synergy
Castle
33% of 3 decks +33% synergy
Moat
33% of 3 decks +33% synergy
Verdant Haven
33% of 9 decks +33% synergy
Angelic Shield
33% of 3 decks +33% synergy
Cartouche of Solidarity
33% of 3 decks +33% synergy
Flickering Ward
33% of 3 decks +33% synergy
Squirrel Nest
33% of 9 decks +32% synergy
Pemmin's Aura
33% of 9 decks +32% synergy
Legion's Landing
33% of 3 decks +32% synergy
Overgrowth
33% of 9 decks +32% synergy
Sterling Grove
33% of 3 decks +26% synergy
Mirari's Wake
33% of 3 decks +20% synergy
Psionic Gift
22% of 9 decks +22% synergy
Hermetic Study
22% of 9 decks +22% synergy
Wolfwillow Haven
22% of 9 decks +21% synergy
Leyline of Abundance
22% of 9 decks +21% synergy
Mana Reflection
22% of 9 decks +20% synergy
Cryptolith Rite
22% of 9 decks +19% synergy
Wilderness Reclamation
22% of 9 decks +18% synergy
Leyline of Anticipation
22% of 9 decks +18% synergy
Communal Brewing
20% of 5 decks +19% synergy
Amphibian Downpour
17% of 6 decks +14% synergy
Innkeeper's Talent
17% of 6 decks +12% synergy
Venomous Fangs
11% of 9 decks +11% synergy
Oracle's Insight
11% of 9 decks +11% synergy
Charisma
11% of 9 decks +11% synergy
Sheltered Aerie
11% of 9 decks +11% synergy
Seed the Land
11% of 9 decks +11% synergy
Betrayal
11% of 9 decks +11% synergy
Manabond
11% of 9 decks +11% synergy
Shimmering Wings
11% of 9 decks +11% synergy
Confiscate
11% of 9 decks +11% synergy
Blighted Burgeoning
11% of 9 decks +11% synergy
Power Artifact
11% of 9 decks +11% synergy
Weirding Wood
11% of 9 decks +11% synergy
Glittering Frost
11% of 9 decks +11% synergy
Market Festival
11% of 9 decks +11% synergy
Aluren
11% of 9 decks +11% synergy
Alpha Status
11% of 9 decks +11% synergy
Squirrel Sanctuary
11% of 9 decks +11% synergy
Mind Over Matter
11% of 9 decks +11% synergy
Treachery
11% of 9 decks +11% synergy
Presence of Gond
11% of 9 decks +11% synergy
Perilous Forays
11% of 9 decks +11% synergy
Dawn's Reflection
11% of 9 decks +11% synergy
Planeswalkers
Kiora, Master of the Depths
11% of 9 decks +10% synergy
Jace, Wielder of Mysteries
11% of 9 decks +8% synergy
Utility Lands
Maze of Ith
22% of 9 decks +19% synergy
Alchemist's Refuge
22% of 9 decks +16% synergy
Mystic Sanctuary
22% of 9 decks +11% synergy
Reliquary Tower
22% of 9 decks -8% synergy
Three Tree City
17% of 6 decks +11% synergy
Shifting Woodland
17% of 6 decks +10% synergy
Restless Vinestalk
14% of 7 decks +12% synergy
Heart of Yavimaya
11% of 9 decks +11% synergy
Glacial Chasm
11% of 9 decks +10% synergy
Dark Depths
11% of 9 decks +10% synergy
Lotus Field
11% of 9 decks +10% synergy
Vesuva
11% of 9 decks +10% synergy
Wirewood Lodge
11% of 9 decks +10% synergy
Thespian's Stage
11% of 9 decks +9% synergy
Strip Mine
11% of 9 decks +8% synergy
Minamo, School at Water's Edge
11% of 9 decks +7% synergy
Oran-Rief, the Vastwood
11% of 9 decks +6% synergy
Karn's Bastion
11% of 9 decks +6% synergy
Academy Ruins
11% of 9 decks +6% synergy
Boseiju, Who Endures
11% of 9 decks -8% synergy
Mana Artifacts
Sol Ring
89% of 9 decks +5% synergy
Arcane Signet
44% of 9 decks -28% synergy
Basalt Monolith
33% of 9 decks +31% synergy
Mox Diamond
22% of 9 decks +18% synergy
Mana Crypt
22% of 9 decks +16% synergy
Mana Vault
22% of 9 decks +16% synergy
Paradise Mantle
11% of 9 decks +10% synergy
Machine God's Effigy
11% of 9 decks +10% synergy
Grim Monolith
11% of 9 decks +9% synergy
Decanter of Endless Water
11% of 9 decks +7% synergy
Chrome Mox
11% of 9 decks +5% synergy
Thought Vessel
11% of 9 decks -6% synergy
Lands
Savannah
67% of 3 decks +54% synergy
Brushland
67% of 3 decks +50% synergy
Adarkar Wastes
67% of 3 decks +47% synergy
Command Tower
56% of 9 decks -19% synergy
Volatile Fjord
50% of 2 decks +48% synergy
Slagwoods Bridge
50% of 2 decks +47% synergy
Wooded Ridgeline
50% of 2 decks +45% synergy
Silverbluff Bridge
50% of 2 decks +44% synergy
Sheltered Thicket
50% of 2 decks +42% synergy
Foreboding Landscape
50% of 2 decks +41% synergy
Taiga
50% of 2 decks +37% synergy
Bayou
50% of 2 decks +37% synergy
Volcanic Island
50% of 2 decks +36% synergy
Golgari Rot Farm
50% of 2 decks +32% synergy
Undergrowth Stadium
50% of 2 decks +24% synergy
Llanowar Wastes
50% of 2 decks +24% synergy
Drowned Catacomb
50% of 2 decks +23% synergy
Opulent Palace
50% of 2 decks +22% synergy
Woodland Cemetery
50% of 2 decks +20% synergy
Ketria Triome
50% of 2 decks +18% synergy
Sunken Hollow
50% of 2 decks +15% synergy
Stomping Ground
50% of 2 decks +10% synergy
Overgrown Tomb
50% of 2 decks +8% synergy
Yavimaya Coast
44% of 9 decks +17% synergy
Irrigated Farmland
33% of 3 decks +25% synergy
Tundra
33% of 3 decks +19% synergy
Tropical Island
33% of 9 decks +19% synergy
Temple of Enlightenment
33% of 3 decks +17% synergy
Temple of Mystery
33% of 9 decks +16% synergy
Bountiful Promenade
33% of 3 decks +10% synergy
Sea of Clouds
33% of 3 decks +7% synergy
Seaside Citadel
33% of 3 decks +7% synergy
Glacial Fortress
33% of 3 decks +5% synergy
Rejuvenating Springs
33% of 9 decks +5% synergy
Spara's Headquarters
33% of 3 decks +4% synergy
Hinterland Harbor
33% of 9 decks +4% synergy
Temple Garden
33% of 3 decks -6% synergy
Hallowed Fountain
33% of 3 decks -7% synergy
Breeding Pool
33% of 9 decks -7% synergy
Prismatic Vista
22% of 9 decks +17% synergy
Mana Confluence
22% of 9 decks +15% synergy
Wooded Foothills
22% of 9 decks +12% synergy
Windswept Heath
22% of 9 decks +12% synergy
Flooded Strand
22% of 9 decks +11% synergy
Misty Rainforest
22% of 9 decks +11% synergy
Dreamroot Cascade
22% of 9 decks +3% synergy
Overflowing Basin
14% of 7 decks +7% synergy
Krosan Verge
11% of 9 decks +9% synergy
Forbidden Orchard
11% of 9 decks +9% synergy
Tanglepool Bridge
11% of 9 decks +8% synergy