Greenweaver Druid + Umbral Mantle + Nyxbloom Ancient

Greenweaver Druid
Umbral Mantle
Nyxbloom Ancient

Requires
Greenweaver Druid must be on the battlefield. Umbral Mantle must be on the battlefield. Nyxbloom Ancient 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 six .
  2. Activate Greenweaver Druid by paying 3 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.

Omnath, Locus of Mana
0.42% of 5956 decks 25 decks
Raggadragga, Goreguts Boss
0.12% of 6719 decks 8 decks
High Synergy Cards
Elvish Mystic
89% of 55 decks +81% synergy
Elvish Archdruid
82% of 55 decks +80% synergy
Circle of Dreams Druid
80% of 51 decks +79% synergy
Fanatic of Rhonas
83% of 6 decks +78% synergy
Llanowar Elves
87% of 55 decks +77% synergy
Priest of Titania
78% of 55 decks +76% synergy
Marwyn, the Nurturer
69% of 55 decks +68% synergy
Rhythm of the Wild
73% of 11 decks +68% synergy
Karametra's Acolyte
67% of 55 decks +66% synergy
Fyndhorn Elves
73% of 55 decks +66% synergy
Top Cards
Llanowar Tribe
67% of 55 decks +66% synergy
Radha, Heir to Keld
64% of 11 decks +63% synergy
Selvala, Heart of the Wilds
64% of 55 decks +61% synergy
Etali, Primal Conqueror
62% of 8 decks +60% synergy
Mana Reflection
58% of 55 decks +57% synergy
Arbor Elf
58% of 55 decks +55% synergy
Beast Whisperer
58% of 55 decks +52% synergy
Leyline of Abundance
55% of 55 decks +54% synergy
Aggravated Assault
55% of 11 decks +53% synergy
Staff of Domination
53% of 55 decks +51% synergy
Creatures
Abomination of Llanowar
60% of 5 decks +60% synergy
Thrasios, Triton Hero
60% of 5 decks +59% synergy
Ruby, Daring Tracker
50% of 6 decks +49% synergy
Zhur-Taa Druid
45% of 11 decks +45% synergy
Seedborn Muse
45% of 55 decks +42% synergy
Canopy Tactician
45% of 53 decks +45% synergy
Craterhoof Behemoth
44% of 55 decks +41% synergy
Joraga Treespeaker
42% of 55 decks +41% synergy
Elvish Harbinger
40% of 55 decks +39% synergy
Llanowar Visionary
40% of 55 decks +39% synergy
Devoted Druid
40% of 55 decks +39% synergy
Vorinclex, Voice of Hunger
38% of 55 decks +37% synergy
Incubation Druid
38% of 55 decks +36% synergy
Fyndhorn Elder
36% of 55 decks +36% synergy
Leafkin Avenger
36% of 11 decks +36% synergy
Grand Warlord Radha
36% of 11 decks +36% synergy
Wirewood Channeler
35% of 55 decks +34% synergy
Ashaya, Soul of the Wild
33% of 54 decks +32% synergy
Reclamation Sage
33% of 55 decks +27% synergy
Birds of Paradise
33% of 55 decks +20% synergy
Delighted Halfling
32% of 25 decks +25% synergy
Poison Dart Frog
31% of 13 decks +29% synergy
Yeva, Nature's Herald
27% of 55 decks +27% synergy
Klauth, Unrivaled Ancient
27% of 11 decks +26% synergy
Hellkite Charger
27% of 11 decks +26% synergy
Oracle of Mul Daya
27% of 55 decks +25% synergy
Ghalta, Stampede Tyrant
27% of 15 decks +24% synergy
Viridian Joiner
25% of 55 decks +25% synergy
Leafkin Druid
24% of 55 decks +23% synergy
Ezuri, Renegade Leader
24% of 55 decks +23% synergy
Boreal Druid
24% of 55 decks +23% synergy
Allosaurus Shepherd
24% of 55 decks +22% synergy
Gyre Sage
24% of 55 decks +22% synergy
Wood Elves
24% of 55 decks +20% synergy
Llanowar Loamspeaker
23% of 44 decks +22% synergy
Zopandrel, Hunger Dominus
23% of 31 decks +20% synergy
Kami of Whispered Hopes
21% of 28 decks +18% synergy
Leaf-Crowned Visionary
20% of 44 decks +20% synergy
Immaculate Magistrate
20% of 55 decks +19% synergy
Galadhrim Brigade
20% of 15 decks +19% synergy
Quirion Ranger
20% of 55 decks +19% synergy
Paradise Druid
20% of 55 decks +19% synergy
Eternal Witness
20% of 55 decks +10% synergy
Druid of the Cowl
18% of 55 decks +18% synergy
Soul of the Harvest
18% of 55 decks +17% synergy
Ghalta, Primal Hunger
18% of 55 decks +16% synergy
Shaman of Forgotten Ways
16% of 55 decks +16% synergy
Elvish Visionary
16% of 55 decks +15% synergy
Imperious Perfect
16% of 55 decks +15% synergy
Temur Sabertooth
16% of 55 decks +14% synergy
Instants
Counterspell
60% of 5 decks +39% synergy
Heroic Intervention
49% of 55 decks +35% synergy
Beast Within
42% of 55 decks +23% synergy
Savage Beating
27% of 11 decks +27% synergy
Comet Storm
27% of 11 decks +26% synergy
Return of the Wildspeaker
27% of 55 decks +21% synergy
Legolas's Quick Reflexes
20% of 15 decks +18% synergy
Tyvar's Stand
16% of 31 decks +14% synergy
Windswift Slice
15% of 20 decks +14% synergy
Vitalize
15% of 55 decks +14% synergy
Krosan Grip
15% of 55 decks +11% synergy
Worldly Tutor
15% of 55 decks +8% synergy
Benefactor's Draught
13% of 55 decks +12% synergy
Momentous Fall
13% of 55 decks +12% synergy
Chord of Calling
13% of 55 decks +10% synergy
Tamiyo's Safekeeping
12% of 48 decks +9% synergy
Fog
9% of 55 decks +8% synergy
Ram Through
9% of 55 decks +8% synergy
Nature's Claim
9% of 55 decks +4% synergy
Shared Summons
7% of 55 decks +7% synergy
Kindred Summons
7% of 55 decks +6% synergy
Return to Nature
7% of 55 decks +4% synergy
Elven Ambush
6% of 53 decks +5% synergy
Kamahl's Will
6% of 54 decks +5% synergy
Wirewood Pride
5% of 55 decks +5% synergy
Early Harvest
5% of 55 decks +5% synergy
Wrap in Vigor
5% of 55 decks +5% synergy
Crop Rotation
5% of 55 decks +1% synergy
Sorceries
Genesis Wave
42% of 55 decks +41% synergy
Last March of the Ents
38% of 24 decks +35% synergy
Crackle with Power
36% of 11 decks +35% synergy
Overwhelming Stampede
31% of 55 decks +28% synergy
Green Sun's Zenith
29% of 55 decks +26% synergy
Cultivate
29% of 55 decks +7% synergy
Finale of Devastation
25% of 55 decks +22% synergy
Awaken the Woods
21% of 38 decks +19% synergy
Harmonize
20% of 55 decks +16% synergy
Kodama's Reach
18% of 55 decks +3% synergy
Rampant Growth
18% of 55 decks +2% synergy
Tooth and Nail
16% of 55 decks +16% synergy
Rishkar's Expertise
16% of 55 decks +11% synergy
Wurmcalling
13% of 55 decks +13% synergy
Primal Surge
13% of 55 decks +12% synergy
Praetor's Counsel
13% of 55 decks +12% synergy
Elvish Promenade
13% of 55 decks +12% synergy
Green Sun's Twilight
12% of 33 decks +11% synergy
Natural Order
11% of 55 decks +10% synergy
Traverse the Outlands
11% of 55 decks +10% synergy
Skyshroud Claim
11% of 55 decks +6% synergy
Nature's Lore
11% of 55 decks -4% synergy
Bala Ged Recovery
9% of 54 decks +5% synergy
Soul's Majesty
9% of 55 decks +8% synergy
Harvest Season
9% of 55 decks +8% synergy
Shamanic Revelation
9% of 55 decks +5% synergy
Reshape the Earth
7% of 54 decks +7% synergy
Hurricane
7% of 55 decks +7% synergy
Animist's Awakening
7% of 55 decks +7% synergy
Nissa's Pilgrimage
7% of 55 decks +7% synergy
Three Visits
7% of 55 decks -4% synergy
Bounty of Skemfar
6% of 53 decks +5% synergy
Rude Awakening
5% of 55 decks +5% synergy
Explosive Vegetation
5% of 55 decks +4% synergy
Regrowth
5% of 55 decks +4% synergy
Triumph of the Hordes
5% of 55 decks +4% synergy
Explore
5% of 55 decks +1% synergy
Farseek
5% of 55 decks -11% synergy
Utility Artifacts
Lightning Greaves
53% of 55 decks +27% synergy
Doubling Cube
38% of 55 decks +38% synergy
Swiftfoot Boots
36% of 55 decks +8% synergy
Sword of the Paruns
33% of 55 decks +32% synergy
The Great Henge
33% of 55 decks +28% synergy
Thousand-Year Elixir
29% of 55 decks +27% synergy
Whispersilk Cloak
20% of 55 decks +16% synergy
Lifecrafter's Bestiary
18% of 55 decks +16% synergy
Commander's Plate
15% of 54 decks +12% synergy
Emerald Medallion
13% of 55 decks +11% synergy
Rhonas's Monument
11% of 55 decks +10% synergy
Akroma's Memorial
11% of 55 decks +10% synergy
Ozolith, the Shattered Spire
11% of 28 decks +8% synergy
The One Ring
11% of 28 decks +2% synergy
Trailblazer's Boots
9% of 55 decks +7% synergy
Shadowspear
9% of 55 decks +6% synergy
Vanquisher's Banner
9% of 55 decks +5% synergy
Staff of Titania
8% of 38 decks +7% synergy
Power Matrix
7% of 55 decks +7% synergy
Prowler's Helm
7% of 55 decks +7% synergy
Loxodon Warhammer
7% of 55 decks +5% synergy
Sword of the Animist
7% of 55 decks +3% synergy
Horizon Stone
6% of 54 decks +5% synergy
Surestrike Trident
5% of 55 decks +5% synergy
Helm of Kaldra
5% of 55 decks +5% synergy
Vorrac Battlehorns
5% of 55 decks +5% synergy
Nim Deathmantle
5% of 55 decks +5% synergy
Vedalken Orrery
5% of 55 decks +4% synergy
Darksteel Plate
5% of 55 decks +4% synergy
Sword of Feast and Famine
5% of 55 decks +3% synergy
Enchantments
Zendikar Resurgent
49% of 55 decks +48% synergy
Growing Rites of Itlimoc
42% of 55 decks +39% synergy
Elven Chorus
36% of 22 decks +34% synergy
Helix Pinnacle
31% of 55 decks +30% synergy
Elvish Guidance
29% of 55 decks +29% synergy
Concordant Crossroads
29% of 55 decks +28% synergy
Wilderness Reclamation
29% of 55 decks +27% synergy
Asceticism
27% of 55 decks +26% synergy
Bear Umbra
27% of 55 decks +25% synergy
Vernal Bloom
25% of 55 decks +25% synergy
Virtue of Strength
25% of 16 decks +23% synergy
Guardian Project
18% of 55 decks +14% synergy
Kenrith's Transformation
16% of 55 decks +13% synergy
Wild Growth
15% of 55 decks +9% synergy
Sylvan Library
15% of 55 decks +9% synergy
Song of the Dryads
13% of 55 decks +12% synergy
Cryptolith Rite
13% of 55 decks +11% synergy
Rancor
13% of 55 decks +10% synergy
Exploration
13% of 55 decks +9% synergy
Leyline Immersion
12% of 25 decks +11% synergy
Canopy Cover
11% of 55 decks +10% synergy
Defense of the Heart
11% of 55 decks +10% synergy
Beastmaster Ascension
11% of 55 decks +8% synergy
Garruk's Uprising
11% of 55 decks +4% synergy
Tribute to the World Tree
11% of 28 decks +7% synergy
Unnatural Growth
10% of 50 decks +7% synergy
Sylvan Anthem
10% of 51 decks +9% synergy
Heartbeat of Spring
9% of 55 decks +9% synergy
Quest for Renewal
9% of 55 decks +8% synergy
Alpha Authority
9% of 55 decks +8% synergy
Lignify
9% of 55 decks +8% synergy
Gaea's Touch
7% of 55 decks +7% synergy
Primal Rage
7% of 55 decks +7% synergy
Abundance
7% of 55 decks +6% synergy
Burgeoning
7% of 55 decks +5% synergy
Jugan Defends the Temple
6% of 48 decks +6% synergy
Glorious Sunrise
6% of 50 decks +5% synergy
Druid Class
6% of 51 decks +4% synergy
Cartouche of Strength
5% of 55 decks +5% synergy
Frontier Siege
5% of 55 decks +5% synergy
Colossification
5% of 55 decks +5% synergy
Overgrowth
5% of 55 decks +5% synergy
Survival of the Fittest
5% of 55 decks +5% synergy
Elemental Bond
5% of 55 decks +3% synergy
Utopia Sprawl
5% of 55 decks +2% synergy
Battles
Invasion of Ikoria
14% of 28 decks +12% synergy
Planeswalkers
Tyvar Kell
60% of 5 decks +60% synergy
Nissa, Who Shakes the World
42% of 55 decks +40% synergy
Freyalise, Llanowar's Fury
33% of 55 decks +32% synergy
Garruk, Primal Hunter
9% of 55 decks +8% synergy
Nissa, Worldwaker
5% of 55 decks +5% synergy
Vivien, Monsters' Advocate
5% of 55 decks +5% synergy
Utility Lands
Rogue's Passage
44% of 55 decks +25% synergy
Nykthos, Shrine to Nyx
40% of 55 decks +34% synergy
Wirewood Lodge
33% of 55 decks +32% synergy
Castle Garenbrig
31% of 55 decks +28% synergy
Reliquary Tower
31% of 55 decks +2% synergy
Kessig Wolf Run
27% of 11 decks +24% synergy
Dryad Arbor
25% of 55 decks +24% synergy
Boseiju, Who Endures
23% of 48 decks +14% synergy
Mosswort Bridge
22% of 55 decks +17% synergy
Yavimaya, Cradle of Growth
18% of 51 decks +8% synergy
Gaea's Cradle
15% of 55 decks +12% synergy
Tranquil Thicket
13% of 55 decks +11% synergy
Oran-Rief, the Vastwood
13% of 55 decks +10% synergy
Ancient Tomb
9% of 55 decks -1% synergy
Yavimaya Hollow
7% of 55 decks +7% synergy
War Room
6% of 54 decks -1% synergy
Jungle Basin
5% of 55 decks +5% synergy
Homeward Path
5% of 55 decks +4% synergy
Mana Artifacts
Sol Ring
65% of 55 decks -19% synergy
Caged Sun
42% of 55 decks +39% synergy
Nyx Lotus
20% of 55 decks +18% synergy
Gauntlet of Power
18% of 55 decks +17% synergy
Jeweled Lotus
13% of 54 decks +5% synergy
Arcane Signet
13% of 55 decks -59% synergy
Extraplanar Lens
9% of 55 decks +8% synergy
Basalt Monolith
9% of 55 decks +6% synergy
Commander's Sphere
7% of 55 decks -9% synergy
Patriar's Seal
7% of 44 decks +5% synergy
Chromatic Orrery
5% of 55 decks +4% synergy
Lands
Cinder Glade
73% of 11 decks +64% synergy
Stomping Ground
73% of 11 decks +64% synergy
Temple of Mystery
60% of 5 decks +56% synergy
Breeding Pool
60% of 5 decks +51% synergy
Rockfall Vale
45% of 11 decks +41% synergy
Rootbound Crag
45% of 11 decks +40% synergy
Cragcrown Pathway
36% of 11 decks +34% synergy
Gruul Turf
27% of 11 decks +24% synergy
Spire Garden
27% of 11 decks +22% synergy
Command Tower
25% of 55 decks -48% synergy
Myriad Landscape
24% of 55 decks +4% synergy
Wooded Foothills
15% of 55 decks +5% synergy
Path of Ancestry
11% of 55 decks -10% synergy
Blighted Woodland
9% of 55 decks +6% synergy
Verdant Catacombs
9% of 55 decks -2% synergy
Fabled Passage
7% of 55 decks -2% synergy
Windswept Heath
7% of 55 decks -3% synergy
Misty Rainforest
7% of 55 decks -4% synergy
Terramorphic Expanse
7% of 55 decks -8% synergy
Exotic Orchard
7% of 55 decks -28% synergy
Prismatic Vista
5% of 55 decks -0% synergy
Cavern of Souls
5% of 55 decks -1% synergy
Evolving Wilds
5% of 55 decks -16% synergy