Earthcraft + Fertile Ground + Horseshoe Crab

Earthcraft
Fertile Ground
Horseshoe Crab

Requires
Earthcraft must be on the battlefield. Fertile Ground must be on the battlefield (attached to a basic land you control). Horseshoe Crab must be on the battlefield.
Steps
  1. Activate the basic land with Fertile Ground attached by tapping it, adding at least 1.
  2. Fertile Ground triggers, adding u.
  3. Activate Earthcraft by tapping Horseshoe Crab, untapping the basic land.
  4. Activate Horseshoe Crab by paying u, 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
Infinite colored mana. Infinite untap of basic lands you control.

Top Commanders (5)
Derevi, Empyrial Tactician
0.05% of 5894 decks 3 decks
Riku of Two Reflections
0.04% of 4881 decks 2 decks
Arixmethes, Slumbering Isle
0.03% of 3426 decks 1 decks
Chulane, Teller of Tales
0.03% of 7165 decks 2 decks
Esika, God of the Tree
0.01% of 16116 decks 1 decks
Top Cards (10)
Counterspell
78% of 9 decks +57% synergy
Pili-Pala
67% of 9 decks +66% synergy
Swords to Plowshares
67% of 6 decks +38% synergy
Simic Ragworm
56% of 9 decks +56% synergy
Morphling
56% of 9 decks +56% synergy
Rhystic Study
56% of 9 decks +41% synergy
Kinnan, Bonder Prodigy
44% of 9 decks +44% synergy
Freed from the Real
44% of 9 decks +43% synergy
Kiora's Follower
44% of 9 decks +43% synergy
Utopia Sprawl
44% of 9 decks +41% synergy
Creatures (50)
Thousand Moons Infantry
100% of 1 decks +100% synergy
Avalanche Riders
67% of 3 decks +67% synergy
Dack's Duplicate
67% of 3 decks +66% synergy
Kiki-Jiki, Mirror Breaker
67% of 3 decks +65% synergy
Puresight Merrow
50% of 6 decks +50% synergy
Flesh Duplicate
50% of 2 decks +48% synergy
Birds of Paradise
44% of 9 decks +32% synergy
Rasaad yn Bashir
40% of 5 decks +40% synergy
Mirrorshell Crab
38% of 8 decks +37% synergy
Riptide Crab
33% of 6 decks +33% synergy
Silkbind Faerie
33% of 6 decks +33% synergy
Wormfang Crab
33% of 9 decks +33% synergy
King Crab
33% of 9 decks +33% synergy
Ancient Crab
33% of 9 decks +33% synergy
Purple-Crystal Crab
33% of 9 decks +33% synergy
Knacksaw Clique
33% of 9 decks +33% synergy
Kobolds of Kher Keep
33% of 3 decks +33% synergy
Crookshank Kobolds
33% of 3 decks +33% synergy
Crimson Kobolds
33% of 3 decks +33% synergy
Chromeshell Crab
33% of 9 decks +33% synergy
Grand Architect
33% of 9 decks +33% synergy
Unsettled Mariner
33% of 6 decks +33% synergy
Hedron Crab
33% of 9 decks +33% synergy
Rograkh, Son of Rohgahh
33% of 3 decks +33% synergy
Unctus, Grand Metatect
33% of 3 decks +32% synergy
Ruin Crab
33% of 9 decks +32% synergy
Ashaya, Soul of the Wild
33% of 9 decks +32% synergy
Shalai, Voice of Plenty
33% of 6 decks +32% synergy
Mentor of the Meek
33% of 6 decks +30% synergy
Realmwalker
25% of 8 decks +22% synergy
Glimmerbell
22% of 9 decks +22% synergy
Soliton
22% of 9 decks +22% synergy
Shambleshark
22% of 9 decks +22% synergy
Scuttlegator
22% of 9 decks +22% synergy
Wishcoin Crab
22% of 9 decks +22% synergy
Leech Bonder
22% of 9 decks +22% synergy
Skittering Crustacean
22% of 9 decks +22% synergy
Drownyard Behemoth
22% of 9 decks +22% synergy
Fortress Crab
22% of 9 decks +22% synergy
Tidewater Minion
22% of 9 decks +22% synergy
Scuttling Sliver
22% of 9 decks +22% synergy
Crystacean
22% of 9 decks +22% synergy
Vexing Scuttler
22% of 9 decks +22% synergy
Vesuvan Doppelganger
22% of 9 decks +22% synergy
Thassa's Emissary
22% of 9 decks +22% synergy
Sharktocrab
22% of 9 decks +22% synergy
Iceberg Cancrix
22% of 9 decks +22% synergy
Argothian Elder
22% of 9 decks +22% synergy
Voltaic Construct
22% of 9 decks +22% synergy
Palinchron
22% of 9 decks +22% synergy
Instants (49)
Vampiric Tutor
100% of 1 decks +90% synergy
Volcanic Geyser
67% of 3 decks +67% synergy
Enlightened Tutor
50% of 6 decks +42% synergy
Arcane Denial
44% of 9 decks +35% synergy
Stroke of Genius
33% of 9 decks +33% synergy
Growth Spiral
33% of 9 decks +29% synergy
Force of Will
33% of 9 decks +28% synergy
Negate
33% of 9 decks +22% synergy
Generous Gift
33% of 6 decks +21% synergy
Shell Shield
22% of 9 decks +22% synergy
Retraction Helix
22% of 9 decks +22% synergy
Sprouting Vines
22% of 9 decks +22% synergy
Avoid Fate
22% of 9 decks +22% synergy
Desertion
22% of 9 decks +22% synergy
Capsize
22% of 9 decks +22% synergy
Memory Lapse
22% of 9 decks +22% synergy
Impulse
22% of 9 decks +21% synergy
Brain Freeze
22% of 9 decks +21% synergy
High Tide
22% of 9 decks +20% synergy
Chord of Calling
22% of 9 decks +19% synergy
Dramatic Reversal
22% of 9 decks +19% synergy
Return to Nature
22% of 9 decks +19% synergy
Reality Shift
22% of 9 decks +17% synergy
Worldly Tutor
22% of 9 decks +16% synergy
Swan Song
22% of 9 decks +14% synergy
Beast Within
22% of 9 decks +3% synergy
True Love's Kiss
17% of 6 decks +17% synergy
Bant Charm
17% of 6 decks +16% synergy
Eladamri's Call
17% of 6 decks +14% synergy
Dovin's Veto
17% of 6 decks +12% synergy
Teferi's Protection
17% of 6 decks +7% synergy
Commander's Insight
12% of 8 decks +12% synergy
Even the Score
12% of 8 decks +12% synergy
Diviner's Portent
12% of 8 decks +12% synergy
Drown in Dreams
12% of 8 decks +12% synergy
Banishing Knack
11% of 9 decks +11% synergy
Memory's Journey
11% of 9 decks +11% synergy
Plasm Capture
11% of 9 decks +11% synergy
Vitalize
11% of 9 decks +11% synergy
Blue Sun's Zenith
11% of 9 decks +9% synergy
Spell Pierce
11% of 9 decks +9% synergy
Noxious Revival
11% of 9 decks +8% synergy
Flusterstorm
11% of 9 decks +8% synergy
Pact of Negation
11% of 9 decks +7% synergy
Fact or Fiction
11% of 9 decks +7% synergy
Mana Drain
11% of 9 decks +4% synergy
Mystical Tutor
11% of 9 decks +3% synergy
Heroic Intervention
11% of 9 decks -2% synergy
Cyclonic Rift
11% of 9 decks -3% synergy
Sorceries (38)
Torment of Hailfire
100% of 1 decks +97% synergy
Imperial Seal
100% of 1 decks +97% synergy
Demonic Tutor
100% of 1 decks +88% synergy
Three Visits
44% of 9 decks +33% synergy
Nature's Lore
44% of 9 decks +30% synergy
Cultivate
44% of 9 decks +22% synergy
Braingeyser
33% of 9 decks +33% synergy
Idyllic Tutor
33% of 6 decks +31% synergy
Rampant Growth
33% of 9 decks +17% synergy
Hard Evidence
25% of 8 decks +25% synergy
Acquire
22% of 9 decks +22% synergy
Mind Spring
22% of 9 decks +22% synergy
Bribery
22% of 9 decks +22% synergy
Timetwister
22% of 9 decks +21% synergy
Finale of Revelation
22% of 9 decks +21% synergy
Neoform
22% of 9 decks +21% synergy
Distant Melody
22% of 9 decks +20% synergy
Windfall
22% of 9 decks +15% synergy
Farseek
22% of 9 decks +6% synergy
Silver Scrutiny
20% of 5 decks +20% synergy
Wargate
17% of 6 decks +16% synergy
Day of Judgment
17% of 6 decks +16% synergy
Sevinne's Reclamation
17% of 6 decks +14% synergy
Wrath of God
17% of 6 decks +13% synergy
Seeds of Renewal
11% of 9 decks +11% synergy
Mobilize
11% of 9 decks +11% synergy
Plea for Power
11% of 9 decks +11% synergy
Genesis Wave
11% of 9 decks +10% synergy
Turntimber Symbiosis
11% of 9 decks +10% synergy
Explosive Vegetation
11% of 9 decks +9% synergy
Regrowth
11% of 9 decks +9% synergy
Eldritch Evolution
11% of 9 decks +9% synergy
Sea Gate Restoration
11% of 9 decks +8% synergy
Green Sun's Zenith
11% of 9 decks +8% synergy
Bala Ged Recovery
11% of 9 decks +6% synergy
Preordain
11% of 9 decks +5% synergy
Ponder
11% of 9 decks +4% synergy
Kodama's Reach
11% of 9 decks -4% synergy
Utility Artifacts (24)
Viridian Longbow
33% of 9 decks +33% synergy
Umbral Mantle
33% of 9 decks +32% synergy
Illusionist's Bracers
33% of 9 decks +32% synergy
Rings of Brighthearth
33% of 9 decks +31% synergy
Heavy Arbalest
22% of 9 decks +22% synergy
Candelabra of Tawnos
22% of 9 decks +22% synergy
Kefnet's Monument
22% of 9 decks +22% synergy
Staff of Domination
22% of 9 decks +20% synergy
Thousand-Year Elixir
22% of 9 decks +20% synergy
Isochron Scepter
22% of 9 decks +19% synergy
Bident of Thassa
22% of 9 decks +19% synergy
Basilisk Collar
22% of 9 decks +19% synergy
Vanquisher's Banner
22% of 9 decks +18% synergy
Swiftfoot Boots
22% of 9 decks -6% synergy
Winged Boots
12% of 8 decks +12% synergy
Icon of Ancestry
11% of 9 decks +10% synergy
Emerald Medallion
11% of 9 decks +10% synergy
Mesmeric Orb
11% of 9 decks +10% synergy
Vedalken Orrery
11% of 9 decks +10% synergy
Mirage Mirror
11% of 9 decks +9% synergy
Urza's Incubator
11% of 9 decks +8% synergy
Crucible of Worlds
11% of 9 decks +8% synergy
Wayfarer's Bauble
11% of 9 decks -0% synergy
Lightning Greaves
11% of 9 decks -14% synergy
Enchantments (50)
Sarcomancy
100% of 1 decks +100% synergy
Cadaverous Bloom
100% of 1 decks +100% synergy
Splinter Twin
67% of 3 decks +66% synergy
Blighted Burgeoning
50% of 2 decks +50% synergy
Wild Growth
44% of 9 decks +39% synergy
Ocular Halo
33% of 6 decks +33% synergy
Samite Blessing
33% of 6 decks +33% synergy
High Alert
33% of 6 decks +33% synergy
Pemmin's Aura
33% of 9 decks +33% synergy
Cryptolith Rite
33% of 9 decks +31% synergy
Scuttletide
25% of 8 decks +25% synergy
Reflections of Littjara
25% of 8 decks +22% synergy
Oracle's Insight
22% of 9 decks +22% synergy
Psionic Gift
22% of 9 decks +22% synergy
Hermetic Study
22% of 9 decks +22% synergy
Sheltered Aerie
22% of 9 decks +22% synergy
Confiscate
22% of 9 decks +22% synergy
Karametra's Favor
22% of 9 decks +22% synergy
Verdant Haven
22% of 9 decks +22% synergy
Crab Umbra
22% of 9 decks +22% synergy
Power Artifact
22% of 9 decks +22% synergy
Mind Over Matter
22% of 9 decks +22% synergy
Presence of Gond
22% of 9 decks +22% synergy
Opposition
22% of 9 decks +22% synergy
Copy Artifact
22% of 9 decks +22% synergy
Squirrel Nest
22% of 9 decks +22% synergy
Wolfwillow Haven
22% of 9 decks +22% synergy
Assault Formation
22% of 9 decks +22% synergy
Quest for Renewal
22% of 9 decks +22% synergy
Overgrowth
22% of 9 decks +21% synergy
Wilderness Reclamation
22% of 9 decks +20% synergy
Kindred Discovery
22% of 9 decks +19% synergy
Mystic Remora
22% of 9 decks +13% synergy
Cartouche of Solidarity
17% of 6 decks +17% synergy
Flickering Ward
17% of 6 decks +16% synergy
Legion's Landing
17% of 6 decks +16% synergy
Rest in Peace
17% of 6 decks +16% synergy
Glittering Frost
12% of 8 decks +12% synergy
Squirrel Sanctuary
12% of 8 decks +12% synergy
Multani's Harmony
11% of 9 decks +11% synergy
Manabond
11% of 9 decks +11% synergy
Dance of Many
11% of 9 decks +11% synergy
Shimmering Wings
11% of 9 decks +11% synergy
Market Festival
11% of 9 decks +11% synergy
Dawn's Reflection
11% of 9 decks +11% synergy
Whip Silk
11% of 9 decks +11% synergy
Gift of Paradise
11% of 9 decks +11% synergy
Leyline of Abundance
11% of 9 decks +10% synergy
Mana Reflection
11% of 9 decks +10% synergy
Survival of the Fittest
11% of 9 decks +10% synergy
Planeswalkers (2)
Huatli, the Sun's Heart
17% of 6 decks +16% synergy
Kiora, Master of the Depths
11% of 9 decks +11% synergy
Utility Lands (13)
Strip Mine
33% of 9 decks +30% synergy
Boseiju, Who Endures
25% of 8 decks +16% synergy
Dark Depths
22% of 9 decks +21% synergy
Vesuva
22% of 9 decks +21% synergy
Thespian's Stage
22% of 9 decks +20% synergy
Academy Ruins
22% of 9 decks +20% synergy
Maze of Ith
22% of 9 decks +20% synergy
Scavenger Grounds
22% of 9 decks +19% synergy
Reliquary Tower
22% of 9 decks -6% synergy
Serra's Sanctum
17% of 6 decks +16% synergy
Otawara, Soaring City
12% of 8 decks +4% synergy
Lotus Field
11% of 9 decks +10% synergy
Mystic Sanctuary
11% of 9 decks +5% synergy
Mana Artifacts (14)
Sol Ring
78% of 9 decks -7% synergy
Arcane Signet
44% of 9 decks -26% synergy
Machine God's Effigy
33% of 3 decks +33% synergy
Basalt Monolith
33% of 9 decks +31% synergy
Paradise Mantle
22% of 9 decks +22% synergy
Grim Monolith
22% of 9 decks +20% synergy
Mox Diamond
22% of 9 decks +18% synergy
Mana Vault
22% of 9 decks +16% synergy
Mana Crypt
22% of 9 decks +11% synergy
Azorius Signet
17% of 6 decks +10% synergy
Simic Keyrune
11% of 9 decks +11% synergy
Simic Signet
11% of 9 decks +8% synergy
Lotus Petal
11% of 9 decks +5% synergy
Chrome Mox
11% of 9 decks +5% synergy
Lands (50)
Taiga
100% of 3 decks +97% synergy
Bayou
100% of 1 decks +97% synergy
Llanowar Wastes
100% of 1 decks +95% synergy
Undergrowth Stadium
100% of 1 decks +94% synergy
Overgrown Tomb
100% of 1 decks +91% synergy
Breeding Pool
89% of 9 decks +80% synergy
Temple Garden
83% of 6 decks +74% synergy
Spara's Headquarters
80% of 5 decks +76% synergy
Slagwoods Bridge
67% of 3 decks +66% synergy
Volatile Fjord
67% of 3 decks +66% synergy
Sheltered Thicket
67% of 3 decks +65% synergy
Silverbluff Bridge
67% of 3 decks +65% synergy
Wooded Ridgeline
67% of 3 decks +65% synergy
Volcanic Island
67% of 3 decks +64% synergy
Ketria Triome
67% of 3 decks +63% synergy
Stomping Ground
67% of 3 decks +57% synergy
Command Tower
67% of 9 decks -6% synergy
Selesnya Sanctuary
50% of 6 decks +47% synergy
Azorius Chancery
50% of 6 decks +47% synergy
Glacial Fortress
50% of 6 decks +45% synergy
Bountiful Promenade
50% of 6 decks +45% synergy
Hallowed Fountain
50% of 6 decks +41% synergy
Rejuvenating Springs
44% of 9 decks +38% synergy
Misty Rainforest
44% of 9 decks +33% synergy
Tangled Islet
40% of 5 decks +38% synergy
Rimewood Falls
38% of 8 decks +36% synergy
Brushland
33% of 6 decks +30% synergy
Seaside Citadel
33% of 6 decks +30% synergy
Adarkar Wastes
33% of 6 decks +30% synergy
Tropical Island
33% of 9 decks +30% synergy
Simic Growth Chamber
33% of 9 decks +29% synergy
Yavimaya Coast
33% of 9 decks +28% synergy
Sea of Clouds
33% of 6 decks +28% synergy
Prairie Stream
33% of 6 decks +26% synergy
Canopy Vista
33% of 6 decks +26% synergy
Windswept Heath
33% of 9 decks +23% synergy
Flooded Strand
33% of 9 decks +23% synergy
Exotic Orchard
33% of 9 decks -1% synergy
Tanglepool Bridge
25% of 8 decks +24% synergy
Forbidden Orchard
22% of 9 decks +19% synergy
Unclaimed Territory
22% of 9 decks +17% synergy
Hinterland Harbor
22% of 9 decks +17% synergy
Reflecting Pool
22% of 9 decks +17% synergy
Mana Confluence
22% of 9 decks +14% synergy
Hengegate Pathway
20% of 5 decks +18% synergy
Irrigated Farmland
17% of 6 decks +15% synergy
Branchloft Pathway
17% of 6 decks +15% synergy
Savannah
17% of 6 decks +14% synergy
Temple of Enlightenment
17% of 6 decks +13% synergy
Sunpetal Grove
17% of 6 decks +12% synergy