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.
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
Infinitely large Greenweaver Druid until end of turn. Infinite green mana.

Volrath, the Shapestealer
0.03% of 3002 decks 1 decks
Kinnan, Bonder Prodigy
0.01% of 13904 decks 1 decks
Game Changers
Fierce Guardianship
100% of 2 decks +82% synergy
Cyclonic Rift
100% of 2 decks +74% synergy
Rhystic Study
100% of 2 decks +73% synergy
Mox Diamond
50% of 2 decks +46% synergy
Gaea's Cradle
50% of 2 decks +44% synergy
Chrome Mox
50% of 2 decks +44% synergy
Ancient Tomb
50% of 2 decks +40% synergy
Force of Will
50% of 2 decks +39% synergy
Creatures
Fyndhorn Elder
100% of 2 decks +100% synergy
Phyrexian Crusader
100% of 1 decks +100% synergy
Gyre Engineer
100% of 2 decks +99% synergy
Voidwing Hybrid
100% of 1 decks +99% synergy
Llanowar Tribe
100% of 2 decks +98% synergy
Mockingbird
100% of 1 decks +97% synergy
Pollywog Prodigy
100% of 1 decks +96% synergy
Locust Swarm
50% of 2 decks +50% synergy
Galvanic Alchemist
50% of 2 decks +50% synergy
Battery Bearer
50% of 2 decks +50% synergy
Leech Bonder
50% of 2 decks +50% synergy
Knacksaw Clique
50% of 2 decks +50% synergy
Farmstead Gleaner
50% of 2 decks +50% synergy
Vhal, Candlekeep Researcher
50% of 2 decks +50% synergy
Patron of the Orochi
50% of 2 decks +50% synergy
Gilder Bairn
50% of 2 decks +50% synergy
Pili-Pala
50% of 2 decks +50% synergy
Citanul Hierophants
50% of 2 decks +50% synergy
Viridian Joiner
50% of 2 decks +49% synergy
Viral Drake
50% of 2 decks +49% synergy
Omen Hawker
50% of 2 decks +49% synergy
Body Double
50% of 2 decks +49% synergy
Blighted Agent
50% of 2 decks +49% synergy
Merfolk Skydiver
50% of 2 decks +49% synergy
Wandering Archaic
50% of 2 decks +48% synergy
Flesh Duplicate
50% of 2 decks +48% synergy
Karametra's Acolyte
50% of 2 decks +48% synergy
Trophy Mage
50% of 2 decks +48% synergy
Gilded Drake
50% of 2 decks +48% synergy
Tekuthal, Inquiry Dominus
50% of 2 decks +48% synergy
Collector Ouphe
50% of 2 decks +48% synergy
Clever Impersonator
50% of 2 decks +48% synergy
Manglehorn
50% of 2 decks +48% synergy
Marwyn, the Nurturer
50% of 2 decks +47% synergy
Glasspool Mimic
50% of 2 decks +47% synergy
Ezuri, Stalker of Spheres
50% of 2 decks +47% synergy
Phantasmal Image
50% of 2 decks +47% synergy
Circle of Dreams Druid
50% of 2 decks +47% synergy
Gyre Sage
50% of 2 decks +46% synergy
Selvala, Heart of the Wilds
50% of 2 decks +45% synergy
Fanatic of Rhonas
50% of 2 decks +43% synergy
Kami of Whispered Hopes
50% of 2 decks +43% synergy
Spark Double
50% of 2 decks +43% synergy
Phyrexian Metamorph
50% of 2 decks +43% synergy
Bloom Tender
50% of 2 decks +42% synergy
Instants
Vraska's Fall
100% of 1 decks +98% synergy
Atomize
100% of 1 decks +96% synergy
Deadly Rollick
100% of 1 decks +89% synergy
Putrefy
100% of 1 decks +84% synergy
Assassin's Trophy
100% of 1 decks +70% synergy
Turn Aside
50% of 2 decks +49% synergy
Stifle
50% of 2 decks +49% synergy
Capsize
50% of 2 decks +49% synergy
Prologue to Phyresis
50% of 2 decks +49% synergy
Infectious Bite
50% of 2 decks +48% synergy
Force of Vigor
50% of 2 decks +47% synergy
Mindbreak Trap
50% of 2 decks +45% synergy
Muddle the Mixture
50% of 2 decks +45% synergy
Chord of Calling
50% of 2 decks +44% synergy
Return to Nature
50% of 2 decks +44% synergy
Force of Negation
50% of 2 decks +41% synergy
Worldly Tutor
50% of 2 decks +37% synergy
Mana Drain
50% of 2 decks +35% synergy
Swan Song
50% of 2 decks +34% synergy
Beast Within
50% of 2 decks +13% synergy
Sorceries
Plague Wind
100% of 1 decks +100% synergy
Phyresis Outbreak
100% of 1 decks +99% synergy
Infectious Inquiry
100% of 1 decks +98% synergy
In Garruk's Wake
100% of 1 decks +97% synergy
Acquire
50% of 2 decks +50% synergy
Vivisurgeon's Insight
50% of 2 decks +49% synergy
Carnivorous Canopy
50% of 2 decks +49% synergy
Sylvan Tutor
50% of 2 decks +49% synergy
Bribery
50% of 2 decks +49% synergy
Unnatural Restoration
50% of 2 decks +47% synergy
Tezzeret's Gambit
50% of 2 decks +47% synergy
Green Sun's Zenith
50% of 2 decks +44% synergy
Fabricate
50% of 2 decks +44% synergy
Finale of Devastation
50% of 2 decks +42% synergy
Nature's Lore
50% of 2 decks +18% synergy
Farseek
50% of 2 decks +16% synergy
Utility Artifacts
Sword of the Paruns
50% of 2 decks +50% synergy
Heartstone
50% of 2 decks +50% synergy
Contagion Engine
50% of 2 decks +49% synergy
Staff of Domination
50% of 2 decks +48% synergy
Lotus Petal
50% of 2 decks +43% synergy
Lightning Greaves
50% of 2 decks +25% synergy
Swiftfoot Boots
50% of 2 decks +23% synergy
Enchantments
Pemmin's Aura
100% of 2 decks +99% synergy
Freed from the Real
100% of 2 decks +98% synergy
Training Grounds
100% of 2 decks +97% synergy
Phyrexian Arena
100% of 1 decks +84% synergy
Leyline of Abundance
50% of 2 decks +49% synergy
Concordant Crossroads
50% of 2 decks +48% synergy
Inexorable Tide
50% of 2 decks +47% synergy
Elven Chorus
50% of 2 decks +47% synergy
Cryptolith Rite
50% of 2 decks +46% synergy
Leyline of Anticipation
50% of 2 decks +46% synergy
Kenrith's Transformation
50% of 2 decks +44% synergy
Mystic Remora
50% of 2 decks +33% synergy
Planeswalkers
Vraska, Betrayal's Sting
100% of 1 decks +97% synergy
Oko, Thief of Crowns
50% of 2 decks +45% synergy
Utility Lands
Yavimaya, Cradle of Growth
100% of 2 decks +91% synergy
Boseiju, Who Endures
100% of 2 decks +81% synergy
Tolaria West
50% of 2 decks +49% synergy
Nesting Grounds
50% of 2 decks +48% synergy
Llanowar Reborn
50% of 2 decks +48% synergy
Emergence Zone
50% of 2 decks +48% synergy
Oran-Rief, the Vastwood
50% of 2 decks +45% synergy
Academy Ruins
50% of 2 decks +45% synergy
Alchemist's Refuge
50% of 2 decks +43% synergy
Urza's Saga
50% of 2 decks +43% synergy
Mystic Sanctuary
50% of 2 decks +38% synergy
Mana Artifacts
Sol Ring
100% of 2 decks +16% synergy
Paradise Mantle
50% of 2 decks +49% synergy
Glistening Sphere
50% of 2 decks +49% synergy
Basalt Monolith
50% of 2 decks +47% synergy
Mox Amber
50% of 2 decks +46% synergy
Mox Opal
50% of 2 decks +46% synergy
Mana Crypt
50% of 2 decks +44% synergy
Arcane Signet
50% of 2 decks -22% synergy
Lands
Prismatic Vista
100% of 2 decks +95% synergy
Nurturing Peatland
100% of 1 decks +94% synergy
Mana Confluence
100% of 2 decks +93% synergy
Waterlogged Grove
100% of 2 decks +93% synergy
Misty Rainforest
100% of 2 decks +88% synergy
Bayou
100% of 1 decks +87% synergy
Deathcap Glade
100% of 1 decks +86% synergy
Underground Sea
100% of 1 decks +86% synergy
Shipwreck Marsh
100% of 1 decks +81% synergy
Undergrowth Stadium
100% of 1 decks +74% synergy
Morphic Pool
100% of 1 decks +74% synergy
Rejuvenating Springs
100% of 2 decks +72% synergy
Zagoth Triome
100% of 1 decks +70% synergy
Watery Grave
100% of 1 decks +60% synergy
Breeding Pool
100% of 2 decks +60% synergy
Overgrown Tomb
100% of 1 decks +58% synergy
Command Tower
100% of 2 decks +26% synergy
Reflecting Pool
50% of 2 decks +45% synergy
City of Brass
50% of 2 decks +42% synergy
Barkchannel Pathway
50% of 2 decks +42% synergy
Wooded Foothills
50% of 2 decks +40% synergy
Windswept Heath
50% of 2 decks +39% synergy
Bloodstained Mire
50% of 2 decks +39% synergy
Scalding Tarn
50% of 2 decks +39% synergy
Flooded Strand
50% of 2 decks +39% synergy
Marsh Flats
50% of 2 decks +39% synergy
Verdant Catacombs
50% of 2 decks +39% synergy
Polluted Delta
50% of 2 decks +38% synergy
Tropical Island
50% of 2 decks +36% synergy
Dreamroot Cascade
50% of 2 decks +30% synergy
Yavimaya Coast
50% of 2 decks +23% synergy
Exotic Orchard
50% of 2 decks +14% synergy