Marwyn, the Nurturer + Umbral Mantle

Marwyn, the Nurturer
Umbral Mantle

Requires
Marwyn, the Nurturer must be on the battlefield. Umbral Mantle must be on the battlefield. Umbral Mantle attached to Marwyn. Marwyn does not have summoning sickness. Marwyn has a power of at least four.
Steps
  1. Activate Marwyn by tapping it, adding at least .
  2. Activate Marwyn by paying 3 and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.
Results
Infinitely large Marwyn until end of turn. Infinite green mana.

Dionus, Elvish Archdruid
19.19% of 620 decks 119 decks
Top Commanders
Marwyn, the Nurturer
53.99% of 5984 decks 3231 decks
Lathril, Blade of the Elves
11.05% of 22070 decks 2438 decks
Ezuri, Renegade Leader
34.97% of 2642 decks 924 decks
Raggadragga, Goreguts Boss
12.80% of 6921 decks 886 decks
Tyvar the Bellicose
16.10% of 2590 decks 417 decks
Selvala, Explorer Returned
18.99% of 2101 decks 399 decks
Rhys the Redeemed
7.71% of 4084 decks 315 decks
Seton, Krosan Protector
17.91% of 1016 decks 182 decks
Voja, Jaws of the Conclave
1.46% of 12129 decks 177 decks
Freyalise, Llanowar's Fury
9.16% of 1791 decks 164 decks
Omnath, Locus of Mana
2.07% of 6365 decks 132 decks
Selvala, Heart of the Wilds
2.15% of 5022 decks 108 decks
Yisan, the Wanderer Bard
5.18% of 1949 decks 101 decks
Galadriel, Light of Valinor
1.17% of 8399 decks 98 decks
Eladamri, Korvecdal
5.66% of 1289 decks 73 decks
Ezuri, Claw of Progress
1.03% of 6313 decks 65 decks
Kinnan, Bonder Prodigy
0.50% of 12348 decks 62 decks
New Cards
Dionus, Elvish Archdruid
76% of 637 decks +72% synergy
Infestation Sage
70% of 10 decks +47% synergy
Stab
67% of 6 decks +23% synergy
Beast-Kin Ranger
61% of 28 decks +54% synergy
Quick-Draw Katana
50% of 8 decks +15% synergy
High Synergy Cards
Elvish Archdruid
87% of 11432 decks +84% synergy
Priest of Titania
88% of 11432 decks +84% synergy
Staff of Domination
74% of 11432 decks +72% synergy
Elvish Mystic
89% of 11432 decks +72% synergy
Fyndhorn Elves
83% of 11432 decks +70% synergy
Llanowar Elves
90% of 11432 decks +69% synergy
Beast Whisperer
81% of 11419 decks +69% synergy
Circle of Dreams Druid
72% of 11140 decks +69% synergy
Leaf-Crowned Visionary
65% of 10536 decks +63% synergy
Wirewood Lodge
64% of 11432 decks +62% synergy
Top Cards
Rhythm of the Wild
71% of 1361 decks +47% synergy
Swords to Plowshares
68% of 1307 decks +5% synergy
Reclamation Sage
65% of 11432 decks +54% synergy
Beast Within
63% of 11432 decks +24% synergy
Elves of Deep Shadow
61% of 3298 decks +50% synergy
Heroic Intervention
59% of 11432 decks +30% synergy
Arbor Elf
59% of 11432 decks +52% synergy
Shalai and Hallar
57% of 266 decks +53% synergy
Ezuri, Renegade Leader
56% of 11432 decks +55% synergy
Assassin's Trophy
56% of 3298 decks +26% synergy
Creatures
Quirion Ranger
52% of 11432 decks +50% synergy
Imperious Perfect
51% of 11432 decks +49% synergy
Wirewood Symbiote
50% of 11432 decks +49% synergy
Elvish Warmaster
50% of 11277 decks +48% synergy
Shaman of the Pack
49% of 3298 decks +48% synergy
Elfsworn Giant
49% of 104 decks +43% synergy
Allosaurus Shepherd
48% of 11328 decks +46% synergy
Wirewood Channeler
48% of 11432 decks +46% synergy
Wardens of the Cycle
47% of 32 decks +38% synergy
Craterhoof Behemoth
46% of 11432 decks +40% synergy
Eladamri, Korvecdal
44% of 3077 decks +41% synergy
Tyvar, the Pummeler
43% of 1127 decks +39% synergy
Ruby, Daring Tracker
42% of 879 decks +38% synergy
Elvish Champion
41% of 11432 decks +40% synergy
Galadhrim Brigade
41% of 5025 decks +39% synergy
Elvish Harbinger
41% of 11432 decks +39% synergy
Skemfar Shadowsage
40% of 3294 decks +40% synergy
Lys Alana Huntmaster
40% of 11432 decks +39% synergy
Mirror Entity
39% of 1307 decks +34% synergy
Canopy Tactician
38% of 11277 decks +37% synergy
Radha, Heir to Keld
38% of 1361 decks +36% synergy
Elvish Visionary
38% of 11432 decks +35% synergy
Deathrite Shaman
37% of 3298 decks +25% synergy
Poison-Tip Archer
37% of 3298 decks +31% synergy
Eternal Witness
36% of 11432 decks +16% synergy
Avacyn's Pilgrim
35% of 1307 decks +21% synergy
Realmwalker
35% of 11277 decks +29% synergy
Druid of the Anima
35% of 310 decks +33% synergy
Tyvar the Bellicose
34% of 2211 decks +33% synergy
Joraga Warcaller
34% of 11432 decks +33% synergy
Fauna Shaman
33% of 11432 decks +30% synergy
Glissa Sunslayer
33% of 2765 decks +27% synergy
Immaculate Magistrate
33% of 11432 decks +31% synergy
Boreal Druid
32% of 11432 decks +31% synergy
Disciple of Freyalise
32% of 2836 decks +25% synergy
Regal Force
32% of 11432 decks +31% synergy
Llanowar Tribe
32% of 11402 decks +30% synergy
Zhur-Taa Druid
32% of 1361 decks +29% synergy
Temur Sabertooth
30% of 11432 decks +27% synergy
Dwynen, Gilt-Leaf Daen
30% of 11432 decks +29% synergy
Copperhorn Scout
29% of 11432 decks +28% synergy
Ruthless Winnower
29% of 3294 decks +28% synergy
Skemfar Avenger
29% of 3294 decks +28% synergy
Heritage Druid
28% of 11432 decks +28% synergy
Timberwatch Elf
28% of 11432 decks +27% synergy
Noble Hierarch
28% of 212 decks +12% synergy
Razorgrass Invoker
27% of 11 decks +25% synergy
Abomination of Llanowar
27% of 3295 decks +26% synergy
Kutzil, Malamet Exemplar
27% of 558 decks +8% synergy
Wood Elves
27% of 11432 decks +20% synergy
Instants
Path to Exile
50% of 1307 decks +4% synergy
Worldly Tutor
44% of 11432 decks +30% synergy
Chord of Calling
41% of 11432 decks +36% synergy
Eladamri's Call
41% of 1307 decks +30% synergy
Cyclonic Rift
40% of 700 decks +12% synergy
Counterspell
37% of 700 decks -6% synergy
Elven Ambush
37% of 11277 decks +36% synergy
Enlightened Tutor
36% of 1307 decks +19% synergy
Putrefy
36% of 3298 decks +20% synergy
Return of the Wildspeaker
34% of 11390 decks +20% synergy
Swan Song
34% of 700 decks +17% synergy
Vitalize
33% of 11432 decks +32% synergy
Chaos Warp
33% of 1361 decks +1% synergy
Boros Charm
32% of 310 decks +7% synergy
Archdruid's Charm
32% of 3806 decks +25% synergy
Legolas's Quick Reflexes
31% of 5275 decks +28% synergy
Galadhrim Ambush
31% of 6560 decks +29% synergy
Teferi's Protection
31% of 1307 decks +11% synergy
Vampiric Tutor
30% of 3298 decks +12% synergy
Generous Gift
30% of 1300 decks +4% synergy
Golgari Charm
29% of 3298 decks +23% synergy
Veil of Summer
27% of 11398 decks +21% synergy
Deflecting Swat
27% of 1360 decks +11% synergy
Comet Storm
27% of 1361 decks +24% synergy
Nature's Claim
26% of 11432 decks +17% synergy
Abrupt Decay
26% of 3298 decks +16% synergy
Fierce Guardianship
26% of 699 decks +8% synergy
Revitalizing Repast
25% of 750 decks +13% synergy
An Offer You Can't Refuse
23% of 656 decks +2% synergy
Crop Rotation
23% of 11432 decks +13% synergy
Divine Resilience
22% of 18 decks +18% synergy
Flawless Maneuver
22% of 1289 decks +12% synergy
Negate
20% of 700 decks -2% synergy
To Arms!
20% of 1307 decks +20% synergy
Untimely Malfunction
19% of 121 decks +3% synergy
Deadly Rollick
19% of 3296 decks +8% synergy
Summoner's Pact
19% of 11432 decks +17% synergy
Force of Vigor
18% of 11402 decks +15% synergy
Mana Drain
18% of 700 decks +3% synergy
Shared Summons
17% of 11398 decks +16% synergy
Mystical Tutor
17% of 700 decks +2% synergy
Arcane Denial
17% of 700 decks -3% synergy
Commune with Lava
16% of 1361 decks +15% synergy
Krosan Grip
16% of 11432 decks +8% synergy
Dawn's Truce
16% of 178 decks -0% synergy
Silence
16% of 1307 decks +9% synergy
Tyvar's Stand
15% of 8506 decks +10% synergy
Autumn's Veil
15% of 11432 decks +13% synergy
Red Elemental Blast
15% of 1361 decks +8% synergy
Tibalt's Trickery
14% of 1356 decks +8% synergy
Sorceries
Green Sun's Zenith
46% of 11432 decks +40% synergy
Finale of Devastation
43% of 11407 decks +35% synergy
Goblin Negotiation
40% of 10 decks +35% synergy
Shamanic Revelation
39% of 11432 decks +30% synergy
Pact of the Serpent
39% of 3294 decks +37% synergy
Demonic Tutor
37% of 3298 decks +15% synergy
Elvish Promenade
33% of 11432 decks +31% synergy
Genesis Wave
32% of 11432 decks +30% synergy
Raise the Palisade
30% of 471 decks +26% synergy
Fanning the Flames
27% of 1361 decks +27% synergy
Blasphemous Edict
27% of 103 decks -7% synergy
Natural Order
27% of 11432 decks +24% synergy
Blasphemous Act
24% of 1361 decks -9% synergy
Rishkar's Expertise
24% of 11432 decks +14% synergy
Kindred Dominance
22% of 3298 decks +18% synergy
Preposterous Proportions
22% of 263 decks +15% synergy
Triumph of the Hordes
20% of 11432 decks +17% synergy
Diabolic Intent
20% of 3298 decks +11% synergy
Torment of Hailfire
20% of 3298 decks +15% synergy
Harmonize
19% of 11432 decks +10% synergy
Last March of the Ents
19% of 7110 decks +14% synergy
Gamble
18% of 1361 decks +8% synergy
Patriarch's Bidding
18% of 3298 decks +15% synergy
Casualties of War
17% of 3298 decks +13% synergy
Bridgeworks Battle
17% of 2678 decks +11% synergy
Jeska's Will
17% of 1357 decks -1% synergy
Cultivate
17% of 11432 decks -30% synergy
Overwhelming Stampede
16% of 11432 decks +10% synergy
Tooth and Nail
16% of 11432 decks +14% synergy
Eldritch Evolution
16% of 11432 decks +11% synergy
Vandalblast
16% of 1361 decks -0% synergy
Jaya's Immolating Inferno
15% of 1361 decks +13% synergy
Crackle with Power
15% of 1355 decks +12% synergy
Turntimber Symbiosis
14% of 11316 decks +12% synergy
Villainous Wealth
14% of 123 decks +6% synergy
Neoform
13% of 699 decks +8% synergy
Nature's Lore
13% of 11432 decks -19% synergy
Exsanguinate
12% of 3298 decks +7% synergy
Stump Stomp
12% of 386 decks +4% synergy
Toxic Deluge
12% of 3298 decks -6% synergy
Fabricate
12% of 700 decks +6% synergy
Bala Ged Recovery
11% of 11316 decks +2% synergy
Scale Up
11% of 11402 decks +11% synergy
Shatterskull Smashing
11% of 1358 decks +8% synergy
Farewell
11% of 1213 decks -3% synergy
Rampant Growth
11% of 11432 decks -24% synergy
Felling Blow
11% of 28 decks -3% synergy
Three Visits
11% of 11432 decks -14% synergy
Decimate
11% of 1361 decks +2% synergy
Preordain
11% of 700 decks -0% synergy
Utility Artifacts
Banner of Kinship
49% of 263 decks +37% synergy
Lightning Greaves
38% of 11432 decks +13% synergy
Thousand-Year Elixir
30% of 11432 decks +28% synergy
Swiftfoot Boots
28% of 11432 decks +0% synergy
The Great Henge
21% of 11390 decks +11% synergy
Skullclamp
21% of 11432 decks +8% synergy
Lifecrafter's Bestiary
19% of 11432 decks +15% synergy
Sword of the Paruns
18% of 11432 decks +17% synergy
Vanquisher's Banner
17% of 11432 decks +13% synergy
Emerald Medallion
15% of 11432 decks +13% synergy
Bolas's Citadel
13% of 3298 decks +4% synergy
Coat of Arms
12% of 11432 decks +10% synergy
Halo Fountain
11% of 1189 decks +8% synergy
Throne of the God-Pharaoh
9% of 11432 decks +8% synergy
The One Ring
9% of 8126 decks +0% synergy
Herald's Horn
8% of 11432 decks +1% synergy
Cloudstone Curio
8% of 11432 decks +7% synergy
Ozolith, the Shattered Spire
7% of 7851 decks +1% synergy
Rhonas's Monument
6% of 11432 decks +5% synergy
Door of Destinies
6% of 11432 decks +4% synergy
Hammer of Purphoros
6% of 1361 decks +4% synergy
Serpent's Soul-Jar
5% of 3294 decks +5% synergy
Akroma's Memorial
5% of 11432 decks +4% synergy
Enchantments
Annie Joins Up
48% of 117 decks +29% synergy
Aggravated Assault
42% of 1361 decks +39% synergy
Rhystic Study
39% of 700 decks +11% synergy
Guardian Project
37% of 11412 decks +28% synergy
Elderfang Venom
36% of 3294 decks +35% synergy
Sylvan Library
34% of 11432 decks +23% synergy
Fires of Yavimaya
34% of 1361 decks +30% synergy
Growing Rites of Itlimoc
32% of 11432 decks +26% synergy
Elven Chorus
31% of 6841 decks +26% synergy
Concordant Crossroads
30% of 11432 decks +27% synergy
Aura Shards
30% of 1307 decks +21% synergy
Freed from the Real
28% of 700 decks +26% synergy
Prowess of the Fair
28% of 3298 decks +27% synergy
Smothering Tithe
27% of 1304 decks +2% synergy
Elvish Guidance
27% of 11432 decks +26% synergy
Leyline of Abundance
24% of 11398 decks +23% synergy
Dazzling Theater // Prop Room
23% of 69 decks +3% synergy
Mystic Remora
23% of 700 decks +5% synergy
Rising of the Day
22% of 1000 decks +17% synergy
Wild Growth
22% of 11432 decks +11% synergy
Intruder Alarm
22% of 700 decks +20% synergy
Kenrith's Transformation
21% of 11390 decks +15% synergy
Tribute to the World Tree
18% of 8098 decks +9% synergy
Pemmin's Aura
17% of 700 decks +16% synergy
Moldervine Reclamation
17% of 3297 decks +8% synergy
Anointed Procession
16% of 1307 decks +7% synergy
Simic Ascendancy
16% of 699 decks +10% synergy
Beastmaster Ascension
15% of 11432 decks +10% synergy
Utopia Sprawl
15% of 11432 decks +7% synergy
Cathars' Crusade
14% of 1307 decks +8% synergy
Mirari's Wake
14% of 1307 decks -0% synergy
Quest for Renewal
13% of 11432 decks +12% synergy
Kindred Discovery
13% of 700 decks +6% synergy
Phyrexian Arena
13% of 3298 decks -2% synergy
Cultist of the Absolute
11% of 3131 decks +10% synergy
Song of the Dryads
10% of 11432 decks +8% synergy
Doubling Season
10% of 11432 decks +1% synergy
All Will Be One
10% of 1175 decks +7% synergy
Sylvan Anthem
9% of 11200 decks +7% synergy
Carpet of Flowers
9% of 11432 decks +5% synergy
Temur Ascendancy
9% of 77 decks -5% synergy
Training Grounds
9% of 700 decks +6% synergy
Asceticism
9% of 11432 decks +6% synergy
Survival of the Fittest
8% of 11432 decks +7% synergy
Crown of Skemfar
8% of 11277 decks +8% synergy
Instill Energy
8% of 11432 decks +7% synergy
Binding the Old Gods
8% of 3294 decks +2% synergy
Parallel Lives
8% of 11432 decks +1% synergy
Warleader's Call
8% of 155 decks -3% synergy
Harald Unites the Elves
7% of 3294 decks +7% synergy
Battles
Invasion of Ikoria
18% of 7785 decks +13% synergy
Planeswalkers
Tyvar Kell
55% of 3294 decks +53% synergy
Tyvar, Jubilant Brawler
54% of 2765 decks +49% synergy
Freyalise, Llanowar's Fury
25% of 11432 decks +23% synergy
Garruk, Primal Hunter
13% of 11432 decks +10% synergy
Domri, Anarch of Bolas
7% of 1361 decks +3% synergy
Oko, Thief of Crowns
7% of 699 decks +1% synergy
Huatli, Radiant Champion
6% of 1307 decks +5% synergy
Vivien, Monsters' Advocate
6% of 11340 decks +5% synergy
Utility Lands
Three Tree City
52% of 1926 decks +42% synergy
Yavimaya, Cradle of Growth
51% of 11200 decks +41% synergy
Kessig Wolf Run
35% of 1361 decks +19% synergy
Boseiju, Who Endures
35% of 10888 decks +15% synergy
Nykthos, Shrine to Nyx
34% of 11432 decks +29% synergy
Bojuka Bog
29% of 3298 decks -1% synergy
Castle Garenbrig
25% of 11390 decks +20% synergy
Reliquary Tower
25% of 11432 decks -5% synergy
Gaea's Cradle
23% of 11432 decks +17% synergy
Otawara, Soaring City
22% of 667 decks +6% synergy
Rogue's Passage
22% of 11432 decks +3% synergy
Shifting Woodland
20% of 2678 decks +11% synergy
Arena of Glory
20% of 311 decks +10% synergy
Gavony Township
19% of 1307 decks +9% synergy
Dryad Arbor
17% of 11432 decks +13% synergy
Rivendell
17% of 486 decks +11% synergy
Oran-Rief, the Vastwood
16% of 11432 decks +11% synergy
Shizo, Death's Storehouse
16% of 3298 decks +11% synergy
Alchemist's Refuge
16% of 700 decks +9% synergy
Ancient Tomb
15% of 11432 decks +5% synergy
Raging Ravine
15% of 1361 decks +12% synergy
Restless Ridgeline
13% of 682 decks +10% synergy
Takenuma, Abandoned Mire
11% of 3186 decks +1% synergy
Urborg, Tomb of Yawgmoth
9% of 11432 decks -1% synergy
Mosswort Bridge
9% of 11432 decks -2% synergy
Minas Tirith
8% of 853 decks -1% synergy
War Room
8% of 11296 decks +2% synergy
Emergence Zone
8% of 11407 decks +6% synergy
Eiganjo, Seat of the Empire
8% of 1213 decks -1% synergy
Minamo, School at Water's Edge
7% of 700 decks +3% synergy
Skarrg, the Rage Pits
7% of 1361 decks +4% synergy
Castle Locthwain
7% of 3296 decks +2% synergy
Tranquil Thicket
7% of 11432 decks +3% synergy
The Black Gate
7% of 1899 decks +3% synergy
Cabal Coffers
6% of 3298 decks -5% synergy
Novijen, Heart of Progress
6% of 700 decks +4% synergy
Homeward Path
6% of 11432 decks +4% synergy
Grim Backwoods
5% of 3298 decks +2% synergy
Phyrexian Tower
5% of 3298 decks -3% synergy
Mana Artifacts
Sol Ring
77% of 11432 decks -7% synergy
Arcane Signet
29% of 11390 decks -43% synergy
Patchwork Banner
15% of 1370 decks +5% synergy
Simic Signet
15% of 700 decks +0% synergy
Jeweled Lotus
14% of 11296 decks +8% synergy
Mana Crypt
13% of 11432 decks +5% synergy
Talisman of Curiosity
12% of 699 decks -0% synergy
Chrome Mox
11% of 11432 decks +4% synergy
Lotus Petal
10% of 11432 decks +3% synergy
Selesnya Signet
10% of 1307 decks +1% synergy
Talisman of Unity
9% of 1307 decks +1% synergy
Talisman of Resilience
8% of 3297 decks -3% synergy
Golgari Signet
8% of 3298 decks -4% synergy
Gruul Signet
8% of 1361 decks -4% synergy
Mana Vault
7% of 11432 decks +1% synergy
Talisman of Creativity
5% of 77 decks -24% synergy
Lands
Temple Garden
62% of 1307 decks +22% synergy
Overgrown Tomb
61% of 3298 decks +19% synergy
Stomping Ground
61% of 1361 decks +19% synergy
Llanowar Wastes
61% of 3298 decks +35% synergy
Woodland Cemetery
58% of 3298 decks +30% synergy
Breeding Pool
57% of 700 decks +16% synergy
Undergrowth Stadium
54% of 3295 decks +28% synergy
Cinder Glade
54% of 1361 decks +15% synergy
Gilt-Leaf Palace
53% of 3298 decks +52% synergy
Rejuvenating Springs
51% of 694 decks +22% synergy
Hallowed Fountain
50% of 212 decks +10% synergy
Hinterland Harbor
50% of 700 decks +22% synergy
Spire Garden
48% of 1361 decks +24% synergy
Canopy Vista
48% of 1307 decks +12% synergy
Command Tower
48% of 11432 decks -26% synergy
Sacred Foundry
48% of 310 decks +12% synergy
Bountiful Promenade
47% of 1306 decks +22% synergy
Rootbound Crag
47% of 1361 decks +23% synergy
Yavimaya Coast
45% of 700 decks +19% synergy
Jetmir's Garden
45% of 306 decks +12% synergy
Sunpetal Grove
44% of 1307 decks +21% synergy
Karplusan Forest
44% of 1361 decks +27% synergy
Rockfall Vale
43% of 1352 decks +21% synergy
Hushwood Verge
41% of 123 decks +21% synergy
Thornspire Verge
39% of 139 decks +21% synergy
Brushland
38% of 1307 decks +22% synergy
Deathcap Glade
38% of 3204 decks +24% synergy
Spara's Headquarters
37% of 203 decks +5% synergy
Flooded Grove
35% of 700 decks +23% synergy
Watery Grave
35% of 123 decks -6% synergy
Godless Shrine
35% of 110 decks -6% synergy
Darkbore Pathway
34% of 3294 decks +26% synergy
Steam Vents
32% of 77 decks -7% synergy
Twilight Mire
31% of 3298 decks +21% synergy
Spectator Seating
31% of 309 decks +6% synergy
Jungle Shrine
30% of 310 decks -2% synergy
Overgrown Farmland
30% of 1241 decks +14% synergy
Game Trail
30% of 1361 decks +14% synergy
Ketria Triome
30% of 77 decks -3% synergy
Cavern of Souls
30% of 11432 decks +23% synergy
Tranquil Landscape
30% of 54 decks +14% synergy
Dreamroot Cascade
30% of 672 decks +11% synergy
Necroblossom Snarl
29% of 3259 decks +17% synergy
Golgari Rot Farm
28% of 3298 decks +11% synergy
Branchloft Pathway
28% of 1286 decks +20% synergy
Indatha Triome
28% of 109 decks -3% synergy
Cragcrown Pathway
27% of 1358 decks +19% synergy
Vineglimmer Snarl
27% of 690 decks +17% synergy
Path of Ancestry
27% of 11432 decks +5% synergy
Sea of Clouds
26% of 212 decks +0% synergy