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 2639 decks 1 decks
Kinnan, Bonder Prodigy
0.01% of 11124 decks 1 decks
Kenrith, the Returned King
0.00% of 20704 decks 1 decks
New Cards
Pollywog Prodigy
100% of 1 decks +88% synergy
Mockingbird
100% of 1 decks +95% synergy
Creatures
Composite Golem
100% of 1 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
Gilder Bairn
67% of 3 decks +67% synergy
Knacksaw Clique
67% of 3 decks +67% synergy
Fyndhorn Elder
67% of 3 decks +67% synergy
Farmstead Gleaner
67% of 3 decks +67% synergy
Gyre Engineer
67% of 3 decks +66% synergy
Llanowar Tribe
67% of 3 decks +66% synergy
Battery Bearer
50% of 2 decks +50% synergy
Zaxara, the Exemplary
50% of 2 decks +50% synergy
Archelos, Lagoon Mystic
50% of 2 decks +50% synergy
Phyrexian Crusader
50% of 2 decks +50% synergy
Slimefoot, the Stowaway
50% of 2 decks +50% synergy
Omen Hawker
50% of 2 decks +50% synergy
Ezuri, Stalker of Spheres
50% of 2 decks +49% synergy
Tekuthal, Inquiry Dominus
50% of 2 decks +49% synergy
Flesh Duplicate
50% of 2 decks +49% synergy
Kami of Whispered Hopes
50% of 2 decks +46% synergy
Fanatic of Rhonas
50% of 2 decks +45% synergy
Locust Swarm
33% of 3 decks +33% synergy
Galvanic Alchemist
33% of 3 decks +33% synergy
Toymaker
33% of 3 decks +33% synergy
Leech Bonder
33% of 3 decks +33% synergy
Birthing Hulk
33% of 3 decks +33% synergy
Patron of the Orochi
33% of 3 decks +33% synergy
Vhal, Candlekeep Researcher
33% of 3 decks +33% synergy
Karn, Silver Golem
33% of 3 decks +33% synergy
Experiment Kraj
33% of 3 decks +33% synergy
Citanul Hierophants
33% of 3 decks +33% synergy
Eyeless Watcher
33% of 3 decks +33% synergy
Spawnsire of Ulamog
33% of 3 decks +33% synergy
Brood Monitor
33% of 3 decks +33% synergy
Gretchen Titchwillow
33% of 3 decks +33% synergy
Viridian Joiner
33% of 3 decks +33% synergy
Merfolk Skydiver
33% of 3 decks +33% synergy
Pili-Pala
33% of 3 decks +33% synergy
Body Double
33% of 3 decks +33% synergy
Viral Drake
33% of 3 decks +33% synergy
Arixmethes, Slumbering Isle
33% of 3 decks +33% synergy
Blighted Agent
33% of 3 decks +33% synergy
Instants
Vraska's Fall
100% of 1 decks +99% synergy
Atomize
100% of 1 decks +98% synergy
Fierce Guardianship
67% of 3 decks +58% synergy
Cyclonic Rift
67% of 3 decks +53% synergy
Prologue to Phyresis
50% of 2 decks +49% synergy
Infectious Bite
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
Karn's Touch
33% of 3 decks +33% synergy
Turn Aside
33% of 3 decks +33% synergy
Stifle
33% of 3 decks +33% synergy
Capsize
33% of 3 decks +33% synergy
Force of Vigor
33% of 3 decks +32% synergy
Mindbreak Trap
33% of 3 decks +32% synergy
Muddle the Mixture
33% of 3 decks +31% synergy
Chord of Calling
33% of 3 decks +31% synergy
Return to Nature
33% of 3 decks +30% synergy
Force of Negation
33% of 3 decks +29% synergy
Force of Will
33% of 3 decks +28% synergy
Worldly Tutor
33% of 3 decks +27% synergy
Mana Drain
33% of 3 decks +26% synergy
Swan Song
33% of 3 decks +25% synergy
Beast Within
33% of 3 decks +15% synergy
Sorceries
Phyresis Outbreak
100% of 1 decks +99% synergy
Infectious Inquiry
100% of 1 decks +99% synergy
Plague Wind
50% of 2 decks +50% synergy
Vivisurgeon's Insight
50% of 2 decks +50% synergy
Carnivorous Canopy
50% of 2 decks +50% synergy
In Garruk's Wake
50% of 2 decks +48% synergy
Unnatural Restoration
50% of 2 decks +48% synergy
Peregrination
33% of 3 decks +33% synergy
Slimefoot's Survey
33% of 3 decks +33% synergy
Hunting Wilds
33% of 3 decks +33% synergy
Acquire
33% of 3 decks +33% synergy
Ranger's Path
33% of 3 decks +33% synergy
Vastwood Surge
33% of 3 decks +33% synergy
Sylvan Tutor
33% of 3 decks +33% synergy
Bribery
33% of 3 decks +33% synergy
Circuitous Route
33% of 3 decks +32% synergy
Explosive Vegetation
33% of 3 decks +32% synergy
Migration Path
33% of 3 decks +32% synergy
Tezzeret's Gambit
33% of 3 decks +32% synergy
Green Sun's Zenith
33% of 3 decks +30% synergy
Fabricate
33% of 3 decks +30% synergy
Finale of Devastation
33% of 3 decks +29% synergy
Skyshroud Claim
33% of 3 decks +29% synergy
Nature's Lore
33% of 3 decks +18% synergy
Kodama's Reach
33% of 3 decks +18% synergy
Farseek
33% of 3 decks +17% synergy
Cultivate
33% of 3 decks +11% synergy
Utility Artifacts
Staff of Domination
67% of 3 decks +65% synergy
Lightning Greaves
67% of 3 decks +41% synergy
Swiftfoot Boots
67% of 3 decks +39% synergy
Diviner's Wand
33% of 3 decks +33% synergy
Sword of the Paruns
33% of 3 decks +33% synergy
Heartstone
33% of 3 decks +33% synergy
Contagion Engine
33% of 3 decks +32% synergy
Ashnod's Altar
33% of 3 decks +26% synergy
Enchantments
Gauntlets of Light
100% of 1 decks +100% synergy
Pemmin's Aura
100% of 3 decks +99% synergy
Freed from the Real
100% of 3 decks +99% synergy
Training Grounds
100% of 3 decks +99% synergy
Cryptolith Rite
67% of 3 decks +65% synergy
Rhystic Study
67% of 3 decks +53% synergy
Cadaverous Bloom
50% of 2 decks +50% synergy
Elven Chorus
50% of 2 decks +48% synergy
Phyrexian Arena
50% of 2 decks +43% synergy
Leyline of Abundance
33% of 3 decks +33% synergy
Concordant Crossroads
33% of 3 decks +32% synergy
Inexorable Tide
33% of 3 decks +32% synergy
Leyline of Anticipation
33% of 3 decks +31% synergy
Kenrith's Transformation
33% of 3 decks +30% synergy
Mystic Remora
33% of 3 decks +25% synergy
Planeswalkers
Vraska, Betrayal's Sting
100% of 1 decks +98% synergy
Jiang Yanggu, Wildcrafter
33% of 3 decks +33% synergy
Karn, the Great Creator
33% of 3 decks +32% synergy
Oko, Thief of Crowns
33% of 3 decks +32% synergy
Utility Lands
Boseiju, Who Endures
67% of 3 decks +58% synergy
Yavimaya, Cradle of Growth
67% of 3 decks +57% synergy
Tolaria West
33% of 3 decks +33% synergy
Llanowar Reborn
33% of 3 decks +32% synergy
Nesting Grounds
33% of 3 decks +32% synergy
Alchemist's Refuge
33% of 3 decks +32% synergy
Oran-Rief, the Vastwood
33% of 3 decks +31% synergy
Emergence Zone
33% of 3 decks +31% synergy
Academy Ruins
33% of 3 decks +31% synergy
Gaea's Cradle
33% of 3 decks +31% synergy
Mystic Sanctuary
33% of 3 decks +27% synergy
Urza's Saga
33% of 3 decks +26% synergy
Ancient Tomb
33% of 3 decks +23% synergy
Mana Artifacts
Paradise Mantle
67% of 3 decks +66% synergy
Basalt Monolith
67% of 3 decks +64% synergy
Lotus Petal
67% of 3 decks +60% synergy
Sol Ring
67% of 3 decks -18% synergy
Glistening Sphere
50% of 2 decks +49% synergy
Gemstone Array
33% of 3 decks +33% synergy
Grim Monolith
33% of 3 decks +31% synergy
Mox Amber
33% of 3 decks +29% synergy
Mox Diamond
33% of 3 decks +29% synergy
Mox Opal
33% of 3 decks +29% synergy
Chrome Mox
33% of 3 decks +27% synergy
Mana Crypt
33% of 3 decks +22% synergy
Arcane Signet
33% of 3 decks -38% 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 3 decks +91% synergy
Overgrown Tomb
100% of 2 decks +91% synergy
Waterlogged Grove
67% of 3 decks +65% synergy
Prismatic Vista
67% of 3 decks +61% synergy
Rejuvenating Springs
67% of 3 decks +60% synergy
Mana Confluence
67% of 3 decks +59% synergy
Misty Rainforest
67% of 3 decks +55% synergy
Command Tower
67% of 3 decks -7% synergy
Woodland Chasm
50% of 2 decks +49% synergy
Nurturing Peatland
50% of 2 decks +49% synergy
Haunted Mire
50% of 2 decks +48% synergy
Bayou
50% of 2 decks +47% synergy
Deathcap Glade
50% of 2 decks +47% synergy
Underground Sea
50% of 2 decks +46% synergy
Shipwreck Marsh
50% of 2 decks +45% synergy
Undergrowth Stadium
50% of 2 decks +44% synergy
Morphic Pool
50% of 2 decks +43% synergy
Watery Grave
50% of 2 decks +40% synergy
Rimewood Falls
33% of 3 decks +32% synergy
Tangled Islet
33% of 3 decks +32% synergy
Barkchannel Pathway
33% of 3 decks +31% synergy
Tropical Island
33% of 3 decks +30% synergy
Dreamroot Cascade
33% of 3 decks +29% synergy
Simic Growth Chamber
33% of 3 decks +29% synergy
Reflecting Pool
33% of 3 decks +28% synergy
Yavimaya Coast
33% of 3 decks +28% synergy
City of Brass
33% of 3 decks +25% synergy
Wooded Foothills
33% of 3 decks +23% synergy
Bloodstained Mire
33% of 3 decks +23% synergy
Windswept Heath
33% of 3 decks +23% synergy
Flooded Strand
33% of 3 decks +23% synergy