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

Omnath, Locus of Mana
0.32% of 7108 decks 23 decks
Raggadragga, Goreguts Boss
0.08% of 7401 decks 6 decks
Tyvar the Bellicose
0.15% of 3245 decks 5 decks
Kinnan, Bonder Prodigy
0.01% of 13904 decks 2 decks
Marwyn, the Nurturer
0.03% of 6344 decks 2 decks
Magus Lucea Kane
0.01% of 11810 decks 1 decks
Yurlok of Scorch Thrash
0.01% of 7386 decks 1 decks
Saryth, the Viper's Fang
0.33% of 301 decks 1 decks
Jeska, Thrice Reborn // Kamahl, Heart of Krosa
0.51% of 198 decks 1 decks
Azusa, Lost but Seeking
0.02% of 4933 decks 1 decks
Nylea, Keen-Eyed
0.17% of 603 decks 1 decks
Rhys the Redeemed
0.02% of 4407 decks 1 decks
Selvala, Explorer Returned
0.04% of 2588 decks 1 decks
Glissa Sunseeker
0.94% of 106 decks 1 decks
Lily Bowen, Raging Grandma
0.24% of 417 decks 1 decks
Eladamri, Korvecdal
0.06% of 1741 decks 1 decks
Kamahl, Fist of Krosa
0.22% of 448 decks 1 decks
Zilortha, Strength Incarnate
0.04% of 2509 decks 1 decks
New Cards
Herd Heirloom
12% of 8 decks +10% synergy
High Synergy Cards
Elvish Archdruid
85% of 52 decks +81% synergy
Priest of Titania
79% of 52 decks +75% synergy
Circle of Dreams Druid
77% of 52 decks +73% synergy
Elvish Mystic
87% of 52 decks +69% synergy
Llanowar Elves
87% of 52 decks +66% synergy
Tyvar Kell
67% of 6 decks +65% synergy
Marwyn, the Nurturer
65% of 52 decks +63% synergy
Selvala, Heart of the Wilds
65% of 52 decks +60% synergy
Llanowar Tribe
62% of 52 decks +60% synergy
Radha, Heir to Keld
60% of 10 decks +59% synergy
Top Cards
Fyndhorn Elves
67% of 52 decks +55% synergy
Rhythm of the Wild
60% of 10 decks +36% synergy
Staff of Domination
60% of 52 decks +58% synergy
Karametra's Acolyte
58% of 52 decks +56% synergy
Beast Whisperer
54% of 52 decks +42% synergy
Mana Reflection
52% of 52 decks +50% synergy
Arbor Elf
52% of 52 decks +46% synergy
Leafkin Avenger
50% of 10 decks +49% synergy
Leyline of Abundance
50% of 52 decks +49% synergy
Etali, Primal Conqueror
50% of 10 decks +40% synergy
Game Changers
Vorinclex, Voice of Hunger
33% of 52 decks +30% synergy
Gaea's Cradle
25% of 52 decks +19% synergy
Ancient Tomb
10% of 52 decks -0% synergy
Survival of the Fittest
8% of 52 decks +6% synergy
The One Ring
6% of 52 decks -2% synergy
Creatures
Seedborn Muse
48% of 52 decks +40% synergy
Fanatic of Rhonas
45% of 31 decks +39% synergy
Canopy Tactician
44% of 52 decks +43% synergy
Craterhoof Behemoth
44% of 52 decks +38% synergy
Devoted Druid
40% of 52 decks +37% synergy
Grand Warlord Radha
40% of 10 decks +38% synergy
Zhur-Taa Druid
40% of 10 decks +38% synergy
Joraga Treespeaker
38% of 52 decks +37% synergy
Incubation Druid
38% of 52 decks +34% synergy
Elvish Harbinger
35% of 52 decks +33% synergy
Birds of Paradise
35% of 52 decks +7% synergy
Ruby, Daring Tracker
33% of 9 decks +30% synergy
Llanowar Visionary
33% of 52 decks +31% synergy
Fyndhorn Elder
31% of 52 decks +31% synergy
Wirewood Channeler
31% of 52 decks +30% synergy
Ezuri, Renegade Leader
29% of 52 decks +27% synergy
Gyre Sage
29% of 52 decks +25% synergy
Oracle of Mul Daya
29% of 52 decks +23% synergy
Viridian Joiner
27% of 52 decks +26% synergy
Bighorner Rancher
26% of 35 decks +25% synergy
Leafkin Druid
23% of 52 decks +22% synergy
Paradise Druid
23% of 52 decks +21% synergy
Ashaya, Soul of the Wild
23% of 52 decks +20% synergy
Shaman of Forgotten Ways
21% of 52 decks +20% synergy
Leaf-Crowned Visionary
21% of 52 decks +19% synergy
Allosaurus Shepherd
21% of 52 decks +19% synergy
Dionus, Elvish Archdruid
20% of 20 decks +19% synergy
Llanowar Loamspeaker
19% of 52 decks +18% synergy
Rishkar, Peema Renegade
19% of 52 decks +15% synergy
Reclamation Sage
19% of 52 decks +9% synergy
Delighted Halfling
18% of 51 decks +6% synergy
Beastcaller Savant
17% of 52 decks +16% synergy
Yeva, Nature's Herald
17% of 52 decks +16% synergy
Boreal Druid
17% of 52 decks +16% synergy
Quirion Ranger
17% of 52 decks +15% synergy
Ghalta, Primal Hunger
17% of 52 decks +12% synergy
Kami of Whispered Hopes
17% of 52 decks +11% synergy
Eternal Witness
17% of 52 decks -2% synergy
Heritage Druid
15% of 52 decks +15% synergy
Immaculate Magistrate
15% of 52 decks +14% synergy
Tyvar, the Pummeler
15% of 26 decks +14% synergy
Imperious Perfect
15% of 52 decks +13% synergy
Gwenna, Eyes of Gaea
15% of 52 decks +13% synergy
Woodland Mystic
13% of 52 decks +13% synergy
Gilt-Leaf Archdruid
13% of 52 decks +13% synergy
Quirion Elves
13% of 52 decks +13% synergy
Druid of the Cowl
13% of 52 decks +13% synergy
Wellwisher
13% of 52 decks +13% synergy
Tanuki Transplanter
13% of 52 decks +13% synergy
Elvish Champion
13% of 52 decks +12% synergy
Instants
Heroic Intervention
46% of 52 decks +16% synergy
Beast Within
35% of 52 decks -2% synergy
Electrodominance
30% of 10 decks +28% synergy
Return of the Wildspeaker
23% of 52 decks +10% synergy
Worldly Tutor
23% of 52 decks +10% synergy
Vitalize
15% of 52 decks +14% synergy
Benefactor's Draught
13% of 52 decks +13% synergy
Chord of Calling
12% of 52 decks +6% synergy
Archdruid's Charm
11% of 36 decks +6% synergy
Kindred Summons
10% of 52 decks +8% synergy
Wrap in Vigor
10% of 52 decks +8% synergy
Momentous Fall
10% of 52 decks +8% synergy
Tyvar's Stand
10% of 52 decks +5% synergy
Krosan Grip
10% of 52 decks +3% synergy
Elven Ambush
8% of 52 decks +6% synergy
Fog
8% of 52 decks +4% synergy
Return to Nature
8% of 52 decks +2% synergy
Tamiyo's Safekeeping
8% of 52 decks +1% synergy
Legolas's Quick Reflexes
6% of 49 decks +4% synergy
Galadhrim Ambush
6% of 51 decks +4% synergy
Gaea's Gift
6% of 52 decks +3% synergy
Ram Through
6% of 52 decks +3% synergy
Force of Vigor
6% of 52 decks +2% synergy
Snakeskin Veil
6% of 52 decks +1% synergy
Inspiring Call
6% of 52 decks -2% synergy
Nature's Claim
6% of 52 decks -3% synergy
Harrow
6% of 52 decks -3% synergy
Sorceries
Genesis Wave
40% of 52 decks +38% synergy
Crackle with Power
30% of 10 decks +28% synergy
Finale of Devastation
29% of 52 decks +21% synergy
Last March of the Ents
25% of 51 decks +21% synergy
Green Sun's Zenith
25% of 52 decks +19% synergy
Cultivate
21% of 52 decks -24% synergy
Overwhelming Stampede
17% of 52 decks +12% synergy
Shamanic Revelation
17% of 52 decks +9% synergy
Kodama's Reach
17% of 52 decks -13% synergy
Elvish Promenade
15% of 52 decks +14% synergy
Natural Order
13% of 52 decks +11% synergy
Harmonize
13% of 52 decks +5% synergy
Rampant Growth
13% of 52 decks -21% synergy
Traverse the Outlands
12% of 52 decks +9% synergy
Awaken the Woods
12% of 52 decks +9% synergy
Nature's Lore
12% of 52 decks -20% synergy
Sylvan Tutor
10% of 52 decks +8% synergy
Soul's Majesty
10% of 52 decks +8% synergy
Skyshroud Claim
10% of 52 decks +1% synergy
Explore
10% of 52 decks +0% synergy
Rishkar's Expertise
10% of 52 decks -1% synergy
Wurmcalling
8% of 52 decks +8% synergy
Primal Surge
8% of 52 decks +7% synergy
Boundless Realms
8% of 52 decks +7% synergy
Green Sun's Twilight
8% of 52 decks +6% synergy
Animist's Awakening
8% of 52 decks +6% synergy
Tooth and Nail
8% of 52 decks +6% synergy
Harvest Season
8% of 52 decks +6% synergy
Regrowth
8% of 52 decks +5% synergy
Triumph of the Hordes
8% of 52 decks +5% synergy
Bala Ged Recovery
8% of 52 decks -1% synergy
Three Visits
8% of 52 decks -17% synergy
Gelatinous Genesis
6% of 52 decks +5% synergy
Glimpse of Nature
6% of 52 decks +5% synergy
Exponential Growth
6% of 52 decks +5% synergy
Sylvan Offering
6% of 52 decks +5% synergy
Praetor's Counsel
6% of 52 decks +5% synergy
Sylvan Awakening
6% of 52 decks +5% synergy
Utility Artifacts
Lightning Greaves
44% of 52 decks +19% synergy
The Great Henge
38% of 52 decks +29% synergy
Swiftfoot Boots
33% of 52 decks +5% synergy
Doubling Cube
31% of 52 decks +30% synergy
Sword of the Paruns
27% of 52 decks +27% synergy
Thousand-Year Elixir
25% of 52 decks +23% synergy
Whispersilk Cloak
19% of 52 decks +15% synergy
Emerald Medallion
17% of 52 decks +15% synergy
Akroma's Memorial
15% of 52 decks +14% synergy
Rhonas's Monument
13% of 52 decks +12% synergy
Horizon Stone
12% of 52 decks +11% synergy
Prowler's Helm
12% of 52 decks +11% synergy
Loxodon Warhammer
12% of 52 decks +10% synergy
Lifecrafter's Bestiary
12% of 52 decks +8% synergy
Trailblazer's Boots
10% of 52 decks +8% synergy
Shadowspear
10% of 52 decks +6% synergy
Sword of the Animist
10% of 52 decks +5% synergy
Sword of Feast and Famine
8% of 52 decks +5% synergy
Vanquisher's Banner
8% of 52 decks +4% synergy
Power Matrix
6% of 52 decks +6% synergy
Vorrac Battlehorns
6% of 52 decks +5% synergy
Darksteel Plate
6% of 52 decks +4% synergy
Rings of Brighthearth
6% of 52 decks +4% synergy
Howling Mine
6% of 52 decks +4% synergy
Commander's Plate
6% of 52 decks +3% synergy
Ozolith, the Shattered Spire
6% of 52 decks +1% synergy
Enchantments
Zendikar Resurgent
42% of 52 decks +40% synergy
Aggravated Assault
40% of 10 decks +36% synergy
Growing Rites of Itlimoc
38% of 52 decks +33% synergy
Elvish Guidance
29% of 52 decks +28% synergy
Asceticism
27% of 52 decks +24% synergy
Concordant Crossroads
25% of 52 decks +23% synergy
Wilderness Reclamation
25% of 52 decks +21% synergy
Helix Pinnacle
21% of 52 decks +20% synergy
Guardian Project
21% of 52 decks +13% synergy
Vernal Bloom
19% of 52 decks +19% synergy
Sylvan Library
19% of 52 decks +9% synergy
Elven Chorus
18% of 51 decks +14% synergy
Bear Umbra
17% of 52 decks +13% synergy
Virtue of Strength
16% of 50 decks +14% synergy
Exploration
15% of 52 decks +7% synergy
Cryptolith Rite
13% of 52 decks +10% synergy
Beastmaster Ascension
13% of 52 decks +8% synergy
Wild Growth
13% of 52 decks +3% synergy
Abundance
12% of 52 decks +9% synergy
Tribute to the World Tree
12% of 52 decks +5% synergy
Garruk's Uprising
12% of 52 decks -5% synergy
Heartbeat of Spring
10% of 52 decks +9% synergy
Sylvan Anthem
10% of 52 decks +8% synergy
Greater Good
10% of 52 decks +5% synergy
Primal Rage
8% of 52 decks +7% synergy
Frontier Siege
8% of 52 decks +7% synergy
Canopy Cover
8% of 52 decks +7% synergy
Quest for Renewal
8% of 52 decks +6% synergy
Alpha Authority
8% of 52 decks +6% synergy
Defense of the Heart
8% of 52 decks +5% synergy
Rancor
8% of 52 decks +3% synergy
Kenrith's Transformation
8% of 52 decks +2% synergy
Utopia Sprawl
8% of 52 decks -0% synergy
Hardened Scales
8% of 52 decks -2% synergy
Leyline Immersion
6% of 51 decks +5% synergy
Gaea's Touch
6% of 52 decks +5% synergy
Lignify
6% of 52 decks +4% synergy
Hydra's Growth
6% of 52 decks +4% synergy
Song of the Dryads
6% of 52 decks +4% synergy
Burgeoning
6% of 52 decks +2% synergy
Elemental Bond
6% of 52 decks +1% synergy
Planeswalkers
Nissa, Who Shakes the World
38% of 52 decks +36% synergy
Freyalise, Llanowar's Fury
35% of 52 decks +33% synergy
Garruk, Primal Hunter
13% of 52 decks +11% synergy
Nissa, Worldwaker
6% of 52 decks +5% synergy
Utility Lands
Kessig Wolf Run
50% of 10 decks +34% synergy
Nykthos, Shrine to Nyx
33% of 52 decks +27% synergy
Rogue's Passage
33% of 52 decks +13% synergy
Castle Garenbrig
27% of 52 decks +22% synergy
Wirewood Lodge
25% of 52 decks +23% synergy
Reliquary Tower
25% of 52 decks -5% synergy
Mosswort Bridge
23% of 52 decks +13% synergy
Yavimaya, Cradle of Growth
21% of 52 decks +12% synergy
Boseiju, Who Endures
21% of 52 decks +2% synergy
Dryad Arbor
17% of 52 decks +13% synergy
Three Tree City
11% of 27 decks +6% synergy
Yavimaya Hollow
8% of 52 decks +7% synergy
Witch's Clinic
8% of 52 decks +6% synergy
Homeward Path
8% of 52 decks +6% synergy
Tranquil Thicket
8% of 52 decks +4% synergy
Crawling Barrens
6% of 52 decks +5% synergy
Lair of the Hydra
6% of 52 decks +4% synergy
Oran-Rief, the Vastwood
6% of 52 decks +1% synergy
Mana Artifacts
Sol Ring
58% of 52 decks -27% synergy
Caged Sun
35% of 52 decks +33% synergy
Gauntlet of Power
23% of 52 decks +22% synergy
Extraplanar Lens
17% of 52 decks +16% synergy
Arcane Signet
15% of 52 decks -57% synergy
Nyx Lotus
10% of 52 decks +8% synergy
Throne of Eldraine
6% of 50 decks +4% synergy
Basalt Monolith
6% of 52 decks +3% synergy
Lands
Breeding Pool
100% of 3 decks +60% synergy
Cinder Glade
80% of 10 decks +41% synergy
Stomping Ground
60% of 10 decks +20% synergy
Rockfall Vale
50% of 10 decks +28% synergy
Rootbound Crag
50% of 10 decks +25% synergy
Spire Garden
40% of 10 decks +16% synergy
Cragcrown Pathway
30% of 10 decks +22% synergy
Temple of Abandon
30% of 10 decks +16% synergy
Gruul Turf
30% of 10 decks +15% synergy
Command Tower
21% of 52 decks -53% synergy
Myriad Landscape
17% of 52 decks -1% synergy
Wooded Foothills
10% of 52 decks -1% synergy
Path of Ancestry
10% of 52 decks -12% synergy
Verdant Catacombs
8% of 52 decks -4% synergy
Terramorphic Expanse
8% of 52 decks -8% synergy
Cavern of Souls
6% of 52 decks -1% synergy
Fabled Passage
6% of 52 decks -3% synergy
Misty Rainforest
6% of 52 decks -6% synergy
Exotic Orchard
6% of 52 decks -30% synergy