Greenweaver Druid + Umbral Mantle + Biomancer's Familiar

Greenweaver Druid
Umbral Mantle
Biomancer's Familiar

Requires
Greenweaver Druid must be on the battlefield. Umbral Mantle must be on the battlefield. Biomancer's Familiar must be on the battlefield. Umbral Mantle attached to Greenweaver Druid. Greenweaver Druid does not have summoning sickness.
Steps
  1. Activate Greenweaver Druid by tapping it, adding .
  2. Activate Greenweaver Druid by paying 1 and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.
Results
Infinite green mana. Infinitely large Greenweaver Druid until end of turn.

Volrath, the Shapestealer
0.04% of 2635 decks 1 decks
Kenrith, the Returned King
0.00% of 20568 decks 1 decks
Creatures
Composite Golem
100% of 1 decks +100% synergy
Gilder Bairn
100% of 2 decks +100% synergy
Hateflayer
100% of 1 decks +100% synergy
Meria, Scholar of Antiquity
100% of 1 decks +100% synergy
Auriok Salvagers
100% of 1 decks +100% synergy
Sliver Queen
100% of 1 decks +100% synergy
Marneus Calgar
100% of 1 decks +100% synergy
Jenson Carthalion, Druid Exile
100% of 1 decks +100% synergy
Voidwing Hybrid
100% of 1 decks +100% synergy
Jegantha, the Wellspring
100% of 1 decks +100% synergy
Zirda, the Dawnwaker
100% of 1 decks +99% synergy
Eldrazi Displacer
100% of 1 decks +99% synergy
Emiel the Blessed
100% of 1 decks +99% synergy
Ezuri, Stalker of Spheres
100% of 1 decks +99% synergy
Tekuthal, Inquiry Dominus
100% of 1 decks +99% synergy
Kami of Whispered Hopes
100% of 1 decks +96% synergy
Fanatic of Rhonas
100% of 1 decks +95% synergy
Locust Swarm
50% of 2 decks +50% synergy
Toymaker
50% of 2 decks +50% synergy
Knacksaw Clique
50% of 2 decks +50% synergy
Birthing Hulk
50% of 2 decks +50% synergy
Patron of the Orochi
50% of 2 decks +50% synergy
Fyndhorn Elder
50% of 2 decks +50% synergy
Farmstead Gleaner
50% of 2 decks +50% synergy
Karn, Silver Golem
50% of 2 decks +50% synergy
Experiment Kraj
50% of 2 decks +50% synergy
Zaxara, the Exemplary
50% of 2 decks +50% synergy
Eyeless Watcher
50% of 2 decks +50% synergy
Spawnsire of Ulamog
50% of 2 decks +50% synergy
Brood Monitor
50% of 2 decks +50% synergy
Archelos, Lagoon Mystic
50% of 2 decks +50% synergy
Gyre Engineer
50% of 2 decks +50% synergy
Gretchen Titchwillow
50% of 2 decks +50% synergy
Viridian Joiner
50% of 2 decks +50% synergy
Phyrexian Crusader
50% of 2 decks +50% synergy
Merfolk Skydiver
50% of 2 decks +50% synergy
Viral Drake
50% of 2 decks +50% synergy
Slimefoot, the Stowaway
50% of 2 decks +50% synergy
Arixmethes, Slumbering Isle
50% of 2 decks +49% synergy
Blighted Agent
50% of 2 decks +49% synergy
Karametra's Acolyte
50% of 2 decks +49% synergy
Llanowar Tribe
50% of 2 decks +49% synergy
Cyberdrive Awakener
50% of 2 decks +49% synergy
Marwyn, the Nurturer
50% of 2 decks +49% synergy
Ashaya, Soul of the Wild
50% of 2 decks +48% synergy
Gyre Sage
50% of 2 decks +48% synergy
Circle of Dreams Druid
50% of 2 decks +48% synergy
Palladium Myr
50% of 2 decks +48% synergy
Selvala, Heart of the Wilds
50% of 2 decks +48% synergy
Instants
Prologue to Phyresis
100% of 1 decks +99% synergy
Infectious Bite
100% of 1 decks +99% synergy
Vraska's Fall
100% of 1 decks +99% synergy
Atomize
100% of 1 decks +98% synergy
Karn's Touch
50% of 2 decks +50% synergy
Turn Aside
50% of 2 decks +50% synergy
Capsize
50% of 2 decks +49% synergy
Putrefy
50% of 2 decks +47% synergy
Deadly Rollick
50% of 2 decks +45% synergy
Assassin's Trophy
50% of 2 decks +44% synergy
Swan Song
50% of 2 decks +42% synergy
Fierce Guardianship
50% of 2 decks +41% synergy
Cyclonic Rift
50% of 2 decks +36% synergy
Sorceries
Vivisurgeon's Insight
100% of 1 decks +100% synergy
Carnivorous Canopy
100% of 1 decks +100% synergy
Phyresis Outbreak
100% of 1 decks +99% synergy
Infectious Inquiry
100% of 1 decks +99% synergy
Unnatural Restoration
100% of 1 decks +98% synergy
Peregrination
50% of 2 decks +50% synergy
Slimefoot's Survey
50% of 2 decks +50% synergy
Hunting Wilds
50% of 2 decks +50% synergy
Plague Wind
50% of 2 decks +50% synergy
Ranger's Path
50% of 2 decks +50% synergy
Vastwood Surge
50% of 2 decks +50% synergy
Circuitous Route
50% of 2 decks +49% synergy
Explosive Vegetation
50% of 2 decks +48% synergy
Migration Path
50% of 2 decks +48% synergy
In Garruk's Wake
50% of 2 decks +48% synergy
Tezzeret's Gambit
50% of 2 decks +48% synergy
Skyshroud Claim
50% of 2 decks +46% synergy
Nature's Lore
50% of 2 decks +35% synergy
Kodama's Reach
50% of 2 decks +35% synergy
Farseek
50% of 2 decks +34% synergy
Cultivate
50% of 2 decks +28% synergy
Utility Artifacts
Staff of Domination
100% of 2 decks +98% synergy
Diviner's Wand
50% of 2 decks +50% synergy
Sword of the Paruns
50% of 2 decks +50% synergy
Contagion Engine
50% of 2 decks +49% synergy
Ashnod's Altar
50% of 2 decks +42% synergy
Lightning Greaves
50% of 2 decks +25% synergy
Swiftfoot Boots
50% of 2 decks +22% synergy
Enchantments
Gauntlets of Light
100% of 1 decks +100% synergy
Pemmin's Aura
100% of 2 decks +99% synergy
Freed from the Real
100% of 2 decks +99% synergy
Training Grounds
100% of 2 decks +99% synergy
Cadaverous Bloom
50% of 2 decks +50% synergy
Inexorable Tide
50% of 2 decks +49% synergy
Cryptolith Rite
50% of 2 decks +48% synergy
Kenrith's Transformation
50% of 2 decks +47% synergy
Phyrexian Arena
50% of 2 decks +43% synergy
Rhystic Study
50% of 2 decks +36% synergy
Planeswalkers
Vraska, Betrayal's Sting
100% of 1 decks +98% synergy
Jiang Yanggu, Wildcrafter
50% of 2 decks +50% synergy
Karn, the Great Creator
50% of 2 decks +49% synergy
Oko, Thief of Crowns
50% of 2 decks +49% synergy
Utility Lands
Llanowar Reborn
50% of 2 decks +49% synergy
Nesting Grounds
50% of 2 decks +49% synergy
Oran-Rief, the Vastwood
50% of 2 decks +48% synergy
Boseiju, Who Endures
50% of 2 decks +41% synergy
Yavimaya, Cradle of Growth
50% of 2 decks +41% synergy
Mana Artifacts
Glistening Sphere
100% of 1 decks +99% synergy
Gemstone Array
50% of 2 decks +50% synergy
Paradise Mantle
50% of 2 decks +49% synergy
Grim Monolith
50% of 2 decks +48% synergy
Basalt Monolith
50% of 2 decks +47% synergy
Lotus Petal
50% of 2 decks +43% synergy
Arcane Signet
50% of 2 decks -21% synergy
Sol Ring
50% of 2 decks -34% synergy
Lands
Murmuring Bosk
100% of 1 decks +99% synergy
Arctic Treeline
100% of 1 decks +99% synergy
Highland Forest
100% of 1 decks +99% synergy
Wooded Ridgeline
100% of 1 decks +99% synergy
Radiant Grove
100% of 1 decks +99% synergy
Sheltered Thicket
100% of 1 decks +98% synergy
Scattered Groves
100% of 1 decks +98% synergy
Raugrin Triome
100% of 1 decks +97% synergy
Savai Triome
100% of 1 decks +97% synergy
Ziatora's Proving Ground
100% of 1 decks +97% synergy
Indatha Triome
100% of 1 decks +97% synergy
Zagoth Triome
100% of 2 decks +97% synergy
Ketria Triome
100% of 1 decks +96% synergy
Spara's Headquarters
100% of 1 decks +96% synergy
Jetmir's Garden
100% of 1 decks +96% synergy
Canopy Vista
100% of 1 decks +92% synergy
Cinder Glade
100% of 1 decks +92% synergy
Temple Garden
100% of 1 decks +91% synergy
Stomping Ground
100% of 1 decks +91% synergy
Breeding Pool
100% of 2 decks +91% synergy
Overgrown Tomb
100% of 2 decks +91% synergy
Woodland Chasm
50% of 2 decks +49% synergy
Rimewood Falls
50% of 2 decks +49% synergy
Nurturing Peatland
50% of 2 decks +49% synergy
Waterlogged Grove
50% of 2 decks +48% synergy
Tangled Islet
50% of 2 decks +48% synergy
Haunted Mire
50% of 2 decks +48% synergy
Bayou
50% of 2 decks +47% synergy
Deathcap Glade
50% of 2 decks +47% synergy
Tropical Island
50% of 2 decks +47% synergy
Underground Sea
50% of 2 decks +46% synergy
Dreamroot Cascade
50% of 2 decks +46% synergy
Simic Growth Chamber
50% of 2 decks +46% synergy
Shipwreck Marsh
50% of 2 decks +45% synergy
Reflecting Pool
50% of 2 decks +44% synergy
Undergrowth Stadium
50% of 2 decks +44% synergy
Prismatic Vista
50% of 2 decks +44% synergy
Rejuvenating Springs
50% of 2 decks +44% synergy
Morphic Pool
50% of 2 decks +43% synergy
Mana Confluence
50% of 2 decks +42% synergy
City of Brass
50% of 2 decks +42% synergy
Wooded Foothills
50% of 2 decks +40% synergy
Bloodstained Mire
50% of 2 decks +40% synergy
Windswept Heath
50% of 2 decks +40% synergy
Flooded Strand
50% of 2 decks +40% synergy
Watery Grave
50% of 2 decks +40% synergy
Polluted Delta
50% of 2 decks +39% synergy
Scalding Tarn
50% of 2 decks +39% synergy
Marsh Flats
50% of 2 decks +39% synergy
Verdant Catacombs
50% of 2 decks +38% synergy