Greenweaver Druid + Umbral Mantle + Training Grounds

Greenweaver Druid
Umbral Mantle
Training Grounds

Requires
Greenweaver Druid must be on the battlefield. Umbral Mantle must be on the battlefield. Training Grounds 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
Infinitely large Greenweaver Druid until end of turn. Infinite green mana.

Kinnan, Bonder Prodigy
0.02% of 12009 decks 3 decks
Magus Lucea Kane
0.01% of 10994 decks 1 decks
Volrath, the Shapestealer
0.04% of 2776 decks 1 decks
High Synergy Cards
Fyndhorn Elder
80% of 5 decks +80% synergy
Gyre Engineer
80% of 5 decks +79% synergy
Llanowar Tribe
80% of 5 decks +78% synergy
Creatures
Riku of Two Reflections
100% of 1 decks +100% synergy
Phyrexian Crusader
100% of 1 decks +99% synergy
Apocalypse Hydra
100% of 1 decks +99% synergy
Shivan Devastator
100% of 1 decks +99% synergy
Voidwing Hybrid
100% of 1 decks +98% synergy
Grand Warlord Radha
100% of 1 decks +98% synergy
Brudiclad, Telchor Engineer
100% of 1 decks +96% synergy
Mockingbird
100% of 1 decks +92% synergy
Pollywog Prodigy
100% of 1 decks +87% synergy
Biomancer's Familiar
60% of 5 decks +57% synergy
Marwyn, the Nurturer
60% of 5 decks +57% synergy
Fyndhorn Elves
60% of 5 decks +47% synergy
Elvish Mystic
60% of 5 decks +42% synergy
Llanowar Elves
60% of 5 decks +39% synergy
Birds of Paradise
60% of 5 decks +33% synergy
Sage of the Maze
50% of 2 decks +48% synergy
Hydroelectric Specimen
50% of 2 decks +43% synergy
Leech Bonder
40% of 5 decks +40% synergy
Gilder Bairn
40% of 5 decks +40% synergy
Omen Hawker
40% of 5 decks +39% synergy
Leafkin Druid
40% of 5 decks +39% synergy
Joraga Treespeaker
40% of 5 decks +39% synergy
Canopy Tactician
40% of 5 decks +38% synergy
Karametra's Acolyte
40% of 5 decks +38% synergy
Paradise Druid
40% of 5 decks +38% synergy
Elvish Archdruid
40% of 5 decks +36% synergy
Gyre Sage
40% of 5 decks +36% synergy
Circle of Dreams Druid
40% of 5 decks +36% synergy
Priest of Titania
40% of 5 decks +36% synergy
Incubation Druid
40% of 5 decks +35% synergy
Selvala, Heart of the Wilds
40% of 5 decks +35% synergy
Craterhoof Behemoth
40% of 5 decks +34% synergy
Bloom Tender
40% of 5 decks +32% synergy
Beast Whisperer
40% of 5 decks +28% synergy
Flesh Duplicate
33% of 3 decks +31% synergy
Disciple of Freyalise
33% of 3 decks +26% synergy
Fanatic of Rhonas
33% of 3 decks +24% synergy
Ingenious Prodigy
25% of 4 decks +24% synergy
Elusive Otter
25% of 4 decks +23% synergy
Locust Swarm
20% of 5 decks +20% synergy
Galvanic Alchemist
20% of 5 decks +20% synergy
Alloy Animist
20% of 5 decks +20% synergy
Battery Bearer
20% of 5 decks +20% synergy
Farmstead Gleaner
20% of 5 decks +20% synergy
Knacksaw Clique
20% of 5 decks +20% synergy
Simic Guildmage
20% of 5 decks +20% synergy
Vhal, Candlekeep Researcher
20% of 5 decks +20% synergy
Llanowar Mentor
20% of 5 decks +20% synergy
Patron of the Orochi
20% of 5 decks +20% synergy
Splitting Slime
20% of 5 decks +20% synergy
Instants
Vraska's Fall
100% of 1 decks +97% synergy
Atomize
100% of 1 decks +94% 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
Fierce Guardianship
60% of 5 decks +42% synergy
Cyclonic Rift
60% of 5 decks +32% synergy
Force of Will
40% of 5 decks +29% synergy
Swan Song
40% of 5 decks +23% synergy
Negate
40% of 5 decks +17% synergy
Beast Within
40% of 5 decks +1% synergy
Brainsurge
33% of 3 decks +30% synergy
Galadhrim Ambush
25% of 4 decks +23% synergy
Turn Aside
20% of 5 decks +19% synergy
Stifle
20% of 5 decks +19% synergy
Capsize
20% of 5 decks +19% synergy
Blessed Respite
20% of 5 decks +19% synergy
Stroke of Genius
20% of 5 decks +19% synergy
Kindred Summons
20% of 5 decks +18% synergy
Disallow
20% of 5 decks +18% synergy
Prologue to Phyresis
20% of 5 decks +18% synergy
Infectious Bite
20% of 5 decks +18% synergy
Whir of Invention
20% of 5 decks +17% synergy
Force of Vigor
20% of 5 decks +17% synergy
Mindbreak Trap
20% of 5 decks +16% synergy
Muddle the Mixture
20% of 5 decks +15% synergy
Chord of Calling
20% of 5 decks +14% synergy
Return to Nature
20% of 5 decks +14% synergy
Force of Negation
20% of 5 decks +11% synergy
Rapid Hybridization
20% of 5 decks +11% synergy
Worldly Tutor
20% of 5 decks +6% synergy
Mana Drain
20% of 5 decks +5% synergy
Arcane Denial
20% of 5 decks +0% synergy
Brainstorm
20% of 5 decks -1% synergy
Counterspell
20% of 5 decks -23% synergy
Sorceries
Rolling Thunder
100% of 1 decks +100% synergy
Plague Wind
100% of 1 decks +99% synergy
Phyresis Outbreak
100% of 1 decks +98% synergy
Infectious Inquiry
100% of 1 decks +97% synergy
In Garruk's Wake
100% of 1 decks +97% synergy
Green Sun's Zenith
40% of 5 decks +34% synergy
Multiple Choice
20% of 5 decks +20% synergy
Acquire
20% of 5 decks +20% synergy
Crack Open
20% of 5 decks +19% synergy
Vivisurgeon's Insight
20% of 5 decks +19% synergy
Carnivorous Canopy
20% of 5 decks +19% synergy
Kamahl's Druidic Vow
20% of 5 decks +19% synergy
Sylvan Tutor
20% of 5 decks +19% synergy
Bribery
20% of 5 decks +19% synergy
Animist's Awakening
20% of 5 decks +19% synergy
Green Sun's Twilight
20% of 5 decks +18% synergy
Harvest Season
20% of 5 decks +18% synergy
Turntimber Symbiosis
20% of 5 decks +18% synergy
Finale of Revelation
20% of 5 decks +18% synergy
Genesis Wave
20% of 5 decks +18% synergy
Tezzeret's Gambit
20% of 5 decks +16% synergy
Awaken the Woods
20% of 5 decks +16% synergy
Unnatural Restoration
20% of 5 decks +16% synergy
Overwhelming Stampede
20% of 5 decks +14% synergy
Gitaxian Probe
20% of 5 decks +14% synergy
Fabricate
20% of 5 decks +14% synergy
Finale of Devastation
20% of 5 decks +12% synergy
Bala Ged Recovery
20% of 5 decks +11% synergy
Nature's Lore
20% of 5 decks -12% synergy
Farseek
20% of 5 decks -14% synergy
Utility Artifacts
Lightning Greaves
60% of 5 decks +35% synergy
Heartstone
40% of 5 decks +39% synergy
Akroma's Memorial
40% of 5 decks +39% synergy
Staff of Domination
40% of 5 decks +38% synergy
Swiftfoot Boots
40% of 5 decks +12% synergy
Sword of the Paruns
20% of 5 decks +20% synergy
Helm of Awakening
20% of 5 decks +19% synergy
Contagion Engine
20% of 5 decks +19% synergy
Phyrexian Altar
20% of 5 decks +16% synergy
Conduit of Worlds
20% of 5 decks +13% synergy
The Great Henge
20% of 5 decks +10% synergy
Enchantments
Tooth and Claw
100% of 1 decks +100% synergy
Quicksilver Dagger
100% of 1 decks +99% synergy
Phyrexian Arena
100% of 1 decks +85% synergy
Pemmin's Aura
40% of 5 decks +39% synergy
Leyline of Abundance
40% of 5 decks +39% synergy
Mana Reflection
40% of 5 decks +38% synergy
Freed from the Real
40% of 5 decks +38% synergy
Concordant Crossroads
40% of 5 decks +37% synergy
Cryptolith Rite
40% of 5 decks +36% synergy
Growing Rites of Itlimoc
40% of 5 decks +34% synergy
Mystic Remora
40% of 5 decks +22% synergy
Rhystic Study
40% of 5 decks +12% synergy
Court of Vantress
25% of 4 decks +23% synergy
Virtue of Strength
25% of 4 decks +22% synergy
Elven Chorus
25% of 4 decks +20% synergy
Overlaid Terrain
20% of 5 decks +20% synergy
Mind Over Matter
20% of 5 decks +20% synergy
Elvish Guidance
20% of 5 decks +19% synergy
Quest for Renewal
20% of 5 decks +19% synergy
Inexorable Tide
20% of 5 decks +17% synergy
Primal Vigor
20% of 5 decks +17% synergy
Leyline of Anticipation
20% of 5 decks +15% synergy
Kenrith's Transformation
20% of 5 decks +13% synergy
Parallel Lives
20% of 5 decks +13% synergy
Doubling Season
20% of 5 decks +11% synergy
Planeswalkers
Vraska, Betrayal's Sting
100% of 1 decks +96% synergy
Oko, Thief of Crowns
40% of 5 decks +34% synergy
Freyalise, Llanowar's Fury
20% of 5 decks +19% synergy
Utility Lands
Three Tree City
50% of 2 decks +40% synergy
Yavimaya, Cradle of Growth
40% of 5 decks +31% synergy
Boseiju, Who Endures
40% of 5 decks +20% synergy
Tolaria West
20% of 5 decks +19% synergy
Nesting Grounds
20% of 5 decks +19% synergy
Llanowar Reborn
20% of 5 decks +18% synergy
Emergence Zone
20% of 5 decks +18% synergy
Ghost Quarter
20% of 5 decks +18% synergy
Academy Ruins
20% of 5 decks +15% synergy
Oran-Rief, the Vastwood
20% of 5 decks +15% synergy
Gaea's Cradle
20% of 5 decks +14% synergy
Alchemist's Refuge
20% of 5 decks +13% synergy
Urza's Saga
20% of 5 decks +13% synergy
Ancient Tomb
20% of 5 decks +9% synergy
Mystic Sanctuary
20% of 5 decks +8% synergy
Mana Artifacts
Sol Ring
80% of 5 decks -4% synergy
Skyclave Relic
60% of 5 decks +59% synergy
Basalt Monolith
60% of 5 decks +57% synergy
Arcane Signet
60% of 5 decks -12% synergy
Mox Amber
40% of 5 decks +36% synergy
Mox Opal
40% of 5 decks +36% synergy
Mana Crypt
40% of 5 decks +31% synergy
Energy Refractor
20% of 5 decks +20% synergy
Prophetic Prism
20% of 5 decks +20% synergy
Paradise Mantle
20% of 5 decks +19% synergy
Darksteel Ingot
20% of 5 decks +19% synergy
Glistening Sphere
20% of 5 decks +19% synergy
Replicating Ring
20% of 5 decks +18% synergy
Chromatic Orrery
20% of 5 decks +18% synergy
Hedron Archive
20% of 5 decks +17% synergy
Mox Diamond
20% of 5 decks +16% synergy
Thran Dynamo
20% of 5 decks +15% synergy
Chrome Mox
20% of 5 decks +14% synergy
Lotus Petal
20% of 5 decks +13% synergy
Chromatic Lantern
20% of 5 decks +10% synergy
Talisman of Curiosity
20% of 5 decks +8% synergy
Simic Signet
20% of 5 decks +5% synergy
Commander's Sphere
20% of 5 decks +5% synergy
Lands
Nurturing Peatland
100% of 1 decks +94% synergy
Bayou
100% of 1 decks +86% 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
Morphic Pool
100% of 1 decks +74% synergy
Undergrowth Stadium
100% of 1 decks +74% synergy
Zagoth Triome
100% of 1 decks +69% synergy
Watery Grave
100% of 1 decks +59% synergy
Overgrown Tomb
100% of 1 decks +57% synergy
Command Tower
80% of 5 decks +6% synergy
Misty Rainforest
60% of 5 decks +48% synergy
Rejuvenating Springs
60% of 5 decks +31% synergy
Breeding Pool
60% of 5 decks +19% synergy
Prismatic Vista
40% of 5 decks +34% synergy
Mana Confluence
40% of 5 decks +33% synergy
Waterlogged Grove
40% of 5 decks +33% synergy
Yavimaya Coast
40% of 5 decks +14% synergy
Exotic Orchard
40% of 5 decks +4% synergy
Overflowing Basin
33% of 3 decks +23% synergy
Brokers Hideout
20% of 5 decks +18% synergy
Cabaretti Courtyard
20% of 5 decks +18% synergy
Riveteers Overlook
20% of 5 decks +18% synergy
Botanical Sanctum
20% of 5 decks +16% synergy
Reflecting Pool
20% of 5 decks +15% synergy
City of Brass
20% of 5 decks +12% synergy
Barkchannel Pathway
20% of 5 decks +11% synergy
Fabled Passage
20% of 5 decks +11% synergy
Wooded Foothills
20% of 5 decks +10% synergy
Vineglimmer Snarl
20% of 5 decks +10% synergy
Bloodstained Mire
20% of 5 decks +10% synergy
Windswept Heath
20% of 5 decks +10% synergy
Flooded Strand
20% of 5 decks +9% synergy
Scalding Tarn
20% of 5 decks +9% synergy
Polluted Delta
20% of 5 decks +9% synergy
Marsh Flats
20% of 5 decks +9% synergy
Verdant Catacombs
20% of 5 decks +9% synergy
Tropical Island
20% of 5 decks +6% synergy
Dreamroot Cascade
20% of 5 decks +1% synergy