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
19.25% of 587 decks 113 decks
Top Commanders
Marwyn, the Nurturer
54.05% of 5967 decks 3225 decks
Lathril, Blade of the Elves
11.07% of 21960 decks 2431 decks
Ezuri, Renegade Leader
35.09% of 2636 decks 925 decks
Raggadragga, Goreguts Boss
12.78% of 6904 decks 882 decks
Tyvar the Bellicose
16.13% of 2579 decks 416 decks
Selvala, Explorer Returned
18.95% of 2106 decks 399 decks
Rhys the Redeemed
7.70% of 4079 decks 314 decks
Seton, Krosan Protector
18.03% of 1015 decks 183 decks
Voja, Jaws of the Conclave
1.48% of 12051 decks 178 decks
Freyalise, Llanowar's Fury
9.22% of 1789 decks 165 decks
Omnath, Locus of Mana
2.09% of 6349 decks 133 decks
Selvala, Heart of the Wilds
2.13% of 5016 decks 107 decks
Yisan, the Wanderer Bard
5.14% of 1945 decks 100 decks
Galadriel, Light of Valinor
1.14% of 8324 decks 95 decks
Eladamri, Korvecdal
5.69% of 1283 decks 73 decks
Ezuri, Claw of Progress
1.03% of 6303 decks 65 decks
Kinnan, Bonder Prodigy
0.50% of 12318 decks 62 decks
New Cards
Dionus, Elvish Archdruid
76% of 587 decks +72% synergy
Infestation Sage
70% of 10 decks +47% synergy
Stab
67% of 6 decks +22% synergy
Beast-Kin Ranger
62% of 26 decks +54% synergy
Wardens of the Cycle
52% of 29 decks +43% synergy
High Synergy Cards
Elvish Archdruid
87% of 11397 decks +84% synergy
Priest of Titania
88% of 11397 decks +84% synergy
Staff of Domination
74% of 11397 decks +72% synergy
Elvish Mystic
89% of 11397 decks +72% synergy
Fyndhorn Elves
83% of 11397 decks +70% synergy
Llanowar Elves
90% of 11397 decks +69% synergy
Beast Whisperer
81% of 11384 decks +69% synergy
Circle of Dreams Druid
72% of 11103 decks +69% synergy
Leaf-Crowned Visionary
65% of 10496 decks +63% synergy
Wirewood Lodge
64% of 11397 decks +62% synergy
Top Cards
Rhythm of the Wild
71% of 1357 decks +47% synergy
Swords to Plowshares
68% of 1303 decks +6% synergy
Reclamation Sage
65% of 11397 decks +55% synergy
Beast Within
63% of 11397 decks +24% synergy
Elves of Deep Shadow
61% of 3288 decks +50% synergy
Heroic Intervention
59% of 11397 decks +30% synergy
Arbor Elf
59% of 11397 decks +52% synergy
Shalai and Hallar
58% of 266 decks +53% synergy
Ezuri, Renegade Leader
56% of 11397 decks +55% synergy
Assassin's Trophy
56% of 3288 decks +26% synergy
Creatures
Quirion Ranger
52% of 11397 decks +50% synergy
Imperious Perfect
51% of 11397 decks +49% synergy
Wirewood Symbiote
50% of 11397 decks +49% synergy
Elfsworn Giant
50% of 92 decks +44% synergy
Elvish Warmaster
50% of 11241 decks +48% synergy
Shaman of the Pack
49% of 3288 decks +48% synergy
Allosaurus Shepherd
48% of 11293 decks +46% synergy
Wirewood Channeler
48% of 11397 decks +46% synergy
Craterhoof Behemoth
46% of 11397 decks +40% synergy
Eladamri, Korvecdal
44% of 3017 decks +41% synergy
Tyvar, the Pummeler
43% of 1075 decks +40% synergy
Ruby, Daring Tracker
42% of 871 decks +38% synergy
Elvish Champion
41% of 11397 decks +40% synergy
Skemfar Shadowsage
40% of 3284 decks +40% synergy
Elvish Harbinger
40% of 11397 decks +39% synergy
Galadhrim Brigade
40% of 4964 decks +39% synergy
Lys Alana Huntmaster
40% of 11397 decks +39% synergy
Mirror Entity
39% of 1303 decks +35% synergy
Canopy Tactician
39% of 11241 decks +37% synergy
Elvish Visionary
38% of 11397 decks +36% synergy
Radha, Heir to Keld
37% of 1357 decks +36% synergy
Deathrite Shaman
37% of 3288 decks +25% synergy
Poison-Tip Archer
37% of 3288 decks +31% synergy
Eternal Witness
36% of 11397 decks +16% synergy
Avacyn's Pilgrim
36% of 1303 decks +21% synergy
Realmwalker
35% of 11241 decks +29% synergy
Druid of the Anima
35% of 311 decks +33% synergy
Tyvar the Bellicose
34% of 2197 decks +33% synergy
Joraga Warcaller
34% of 11397 decks +33% synergy
Fauna Shaman
33% of 11397 decks +30% synergy
Immaculate Magistrate
33% of 11397 decks +31% synergy
Glissa Sunslayer
33% of 2750 decks +27% synergy
Boreal Druid
32% of 11397 decks +31% synergy
Disciple of Freyalise
32% of 2774 decks +25% synergy
Regal Force
32% of 11397 decks +31% synergy
Llanowar Tribe
32% of 11367 decks +30% synergy
Zhur-Taa Druid
32% of 1357 decks +29% synergy
Temur Sabertooth
30% of 11397 decks +27% synergy
Dwynen, Gilt-Leaf Daen
30% of 11397 decks +29% synergy
Copperhorn Scout
29% of 11397 decks +28% synergy
Skemfar Avenger
29% of 3284 decks +29% synergy
Ruthless Winnower
29% of 3284 decks +28% synergy
Heritage Druid
28% of 11397 decks +28% synergy
Timberwatch Elf
28% of 11397 decks +27% synergy
Kutzil, Malamet Exemplar
27% of 550 decks +8% synergy
Razorgrass Invoker
27% of 11 decks +25% synergy
Noble Hierarch
27% of 209 decks +11% synergy
Abomination of Llanowar
27% of 3285 decks +26% synergy
Wood Elves
27% of 11397 decks +20% synergy
Joraga Treespeaker
26% of 11397 decks +25% synergy
Instants
Path to Exile
51% of 1303 decks +5% synergy
Worldly Tutor
44% of 11397 decks +30% synergy
Chord of Calling
41% of 11397 decks +36% synergy
Eladamri's Call
41% of 1303 decks +30% synergy
Cyclonic Rift
40% of 692 decks +12% synergy
Counterspell
38% of 692 decks -5% synergy
Elven Ambush
37% of 11241 decks +36% synergy
Enlightened Tutor
36% of 1303 decks +19% synergy
Putrefy
36% of 3288 decks +20% synergy
Swan Song
34% of 692 decks +17% synergy
Return of the Wildspeaker
34% of 11355 decks +20% synergy
Vitalize
33% of 11397 decks +32% synergy
Chaos Warp
33% of 1357 decks +1% synergy
Boros Charm
32% of 311 decks +7% synergy
Archdruid's Charm
32% of 3743 decks +25% synergy
Legolas's Quick Reflexes
31% of 5214 decks +28% synergy
Galadhrim Ambush
31% of 6498 decks +29% synergy
Teferi's Protection
30% of 1303 decks +10% synergy
Vampiric Tutor
30% of 3288 decks +12% synergy
Generous Gift
30% of 1296 decks +4% synergy
Golgari Charm
29% of 3288 decks +23% synergy
Deflecting Swat
27% of 1356 decks +11% synergy
Veil of Summer
27% of 11363 decks +21% synergy
Comet Storm
27% of 1357 decks +24% synergy
Nature's Claim
26% of 11397 decks +17% synergy
Abrupt Decay
26% of 3288 decks +16% synergy
Fierce Guardianship
26% of 691 decks +8% synergy
Revitalizing Repast
25% of 730 decks +13% synergy
Divine Resilience
25% of 16 decks +21% synergy
An Offer You Can't Refuse
23% of 648 decks +3% synergy
Crop Rotation
23% of 11397 decks +13% synergy
Flawless Maneuver
22% of 1285 decks +12% synergy
Negate
20% of 692 decks -2% synergy
To Arms!
20% of 1303 decks +20% synergy
Untimely Malfunction
20% of 112 decks +4% synergy
Deadly Rollick
19% of 3286 decks +8% synergy
Summoner's Pact
19% of 11397 decks +17% synergy
Force of Vigor
18% of 11367 decks +15% synergy
Mana Drain
18% of 692 decks +3% synergy
Shared Summons
17% of 11363 decks +16% synergy
Mystical Tutor
17% of 692 decks +2% synergy
Arcane Denial
17% of 692 decks -3% synergy
Dawn's Truce
16% of 171 decks +0% synergy
Krosan Grip
16% of 11397 decks +8% synergy
Commune with Lava
16% of 1357 decks +14% synergy
Silence
16% of 1303 decks +9% synergy
Tyvar's Stand
15% of 8445 decks +10% synergy
Autumn's Veil
15% of 11397 decks +13% synergy
Red Elemental Blast
15% of 1357 decks +8% synergy
Tibalt's Trickery
14% of 1352 decks +8% synergy
Sorceries
Green Sun's Zenith
46% of 11397 decks +40% synergy
Goblin Negotiation
44% of 9 decks +39% synergy
Finale of Devastation
43% of 11372 decks +35% synergy
Shamanic Revelation
39% of 11397 decks +30% synergy
Pact of the Serpent
39% of 3284 decks +37% synergy
Demonic Tutor
37% of 3288 decks +14% synergy
Elvish Promenade
33% of 11397 decks +31% synergy
Genesis Wave
32% of 11397 decks +30% synergy
Raise the Palisade
30% of 463 decks +26% synergy
Blasphemous Edict
29% of 94 decks -6% synergy
Fanning the Flames
27% of 1357 decks +27% synergy
Natural Order
27% of 11397 decks +24% synergy
Blasphemous Act
24% of 1357 decks -9% synergy
Rishkar's Expertise
24% of 11397 decks +14% synergy
Kindred Dominance
22% of 3288 decks +18% synergy
Preposterous Proportions
21% of 238 decks +14% synergy
Triumph of the Hordes
21% of 11397 decks +17% synergy
Diabolic Intent
20% of 3288 decks +11% synergy
Torment of Hailfire
20% of 3288 decks +15% synergy
Harmonize
19% of 11397 decks +10% synergy
Last March of the Ents
19% of 7049 decks +14% synergy
Gamble
18% of 1357 decks +8% synergy
Patriarch's Bidding
18% of 3288 decks +15% synergy
Casualties of War
17% of 3288 decks +13% synergy
Bridgeworks Battle
17% of 2615 decks +11% synergy
Jeska's Will
17% of 1353 decks -0% synergy
Cultivate
17% of 11397 decks -30% synergy
Overwhelming Stampede
16% of 11397 decks +10% synergy
Tooth and Nail
16% of 11397 decks +14% synergy
Eldritch Evolution
16% of 11397 decks +11% synergy
Vandalblast
16% of 1357 decks -0% synergy
Jaya's Immolating Inferno
15% of 1357 decks +13% synergy
Crackle with Power
15% of 1351 decks +12% synergy
Turntimber Symbiosis
14% of 11280 decks +12% synergy
Villainous Wealth
14% of 123 decks +6% synergy
Neoform
13% of 691 decks +8% synergy
Nature's Lore
13% of 11397 decks -19% synergy
Exsanguinate
12% of 3288 decks +7% synergy
Toxic Deluge
12% of 3288 decks -5% synergy
Stump Stomp
12% of 375 decks +3% synergy
Fabricate
12% of 692 decks +6% synergy
Felling Blow
12% of 26 decks -3% synergy
Bala Ged Recovery
11% of 11280 decks +2% synergy
Scale Up
11% of 11367 decks +11% synergy
Shatterskull Smashing
11% of 1354 decks +8% synergy
Farewell
11% of 1207 decks -3% synergy
Rampant Growth
11% of 11397 decks -24% synergy
Three Visits
11% of 11397 decks -14% synergy
Decimate
10% of 1357 decks +2% synergy
Glimpse of Nature
10% of 11397 decks +10% synergy
Utility Artifacts
Banner of Kinship
50% of 238 decks +38% synergy
Quick-Draw Katana
50% of 8 decks +15% synergy
Lightning Greaves
38% of 11397 decks +13% synergy
Thousand-Year Elixir
30% of 11397 decks +28% synergy
Swiftfoot Boots
28% of 11397 decks +0% synergy
The Great Henge
21% of 11355 decks +11% synergy
Skullclamp
21% of 11397 decks +8% synergy
Lifecrafter's Bestiary
19% of 11397 decks +15% synergy
Sword of the Paruns
18% of 11397 decks +17% synergy
Vanquisher's Banner
17% of 11397 decks +13% synergy
Emerald Medallion
15% of 11397 decks +13% synergy
Bolas's Citadel
13% of 3288 decks +4% synergy
Coat of Arms
12% of 11397 decks +10% synergy
Halo Fountain
11% of 1183 decks +8% synergy
Throne of the God-Pharaoh
9% of 11397 decks +8% synergy
The One Ring
9% of 8065 decks +0% synergy
Herald's Horn
8% of 11397 decks +1% synergy
Cloudstone Curio
8% of 11397 decks +7% synergy
Ozolith, the Shattered Spire
7% of 7790 decks +1% synergy
Rhonas's Monument
6% of 11397 decks +5% synergy
Door of Destinies
6% of 11397 decks +4% synergy
Hammer of Purphoros
6% of 1357 decks +4% synergy
Serpent's Soul-Jar
5% of 3284 decks +5% synergy
Akroma's Memorial
5% of 11397 decks +4% synergy
Enchantments
Annie Joins Up
48% of 116 decks +30% synergy
Aggravated Assault
42% of 1357 decks +39% synergy
Rhystic Study
38% of 692 decks +11% synergy
Guardian Project
37% of 11377 decks +28% synergy
Elderfang Venom
36% of 3284 decks +35% synergy
Sylvan Library
34% of 11397 decks +23% synergy
Fires of Yavimaya
34% of 1357 decks +30% synergy
Growing Rites of Itlimoc
32% of 11397 decks +26% synergy
Elven Chorus
31% of 6779 decks +26% synergy
Concordant Crossroads
30% of 11397 decks +27% synergy
Aura Shards
30% of 1303 decks +21% synergy
Freed from the Real
28% of 692 decks +26% synergy
Prowess of the Fair
28% of 3288 decks +27% synergy
Smothering Tithe
27% of 1300 decks +2% synergy
Elvish Guidance
27% of 11397 decks +26% synergy
Dazzling Theater // Prop Room
25% of 63 decks +5% synergy
Leyline of Abundance
24% of 11363 decks +23% synergy
Mystic Remora
23% of 692 decks +5% synergy
Wild Growth
22% of 11397 decks +11% synergy
Rising of the Day
22% of 992 decks +16% synergy
Intruder Alarm
22% of 692 decks +19% synergy
Kenrith's Transformation
21% of 11355 decks +15% synergy
Pemmin's Aura
18% of 692 decks +17% synergy
Tribute to the World Tree
18% of 8037 decks +9% synergy
Moldervine Reclamation
17% of 3287 decks +8% synergy
Anointed Procession
16% of 1303 decks +7% synergy
Simic Ascendancy
16% of 691 decks +11% synergy
Beastmaster Ascension
15% of 11397 decks +10% synergy
Utopia Sprawl
15% of 11397 decks +7% synergy
Cathars' Crusade
14% of 1303 decks +8% synergy
Mirari's Wake
14% of 1303 decks -0% synergy
Quest for Renewal
13% of 11397 decks +12% synergy
Kindred Discovery
13% of 692 decks +6% synergy
Phyrexian Arena
13% of 3288 decks -2% synergy
Cultist of the Absolute
11% of 3121 decks +10% synergy
Song of the Dryads
10% of 11397 decks +8% synergy
Doubling Season
10% of 11397 decks +1% synergy
All Will Be One
10% of 1167 decks +7% synergy
Sylvan Anthem
9% of 11164 decks +7% synergy
Carpet of Flowers
9% of 11397 decks +5% synergy
Temur Ascendancy
9% of 77 decks -5% synergy
Training Grounds
9% of 692 decks +6% synergy
Asceticism
9% of 11397 decks +6% synergy
Survival of the Fittest
8% of 11397 decks +7% synergy
Crown of Skemfar
8% of 11241 decks +8% synergy
Instill Energy
8% of 11397 decks +7% synergy
Binding the Old Gods
8% of 3284 decks +2% synergy
Parallel Lives
8% of 11397 decks +1% synergy
Warleader's Call
8% of 154 decks -3% synergy
Mayael's Aria
7% of 311 decks +5% synergy
Battles
Invasion of Ikoria
18% of 7724 decks +13% synergy
Planeswalkers
Tyvar Kell
55% of 3284 decks +53% synergy
Tyvar, Jubilant Brawler
54% of 2750 decks +49% synergy
Freyalise, Llanowar's Fury
25% of 11397 decks +23% synergy
Garruk, Primal Hunter
13% of 11397 decks +10% synergy
Domri, Anarch of Bolas
7% of 1357 decks +3% synergy
Oko, Thief of Crowns
7% of 691 decks +1% synergy
Huatli, Radiant Champion
6% of 1303 decks +5% synergy
Vivien, Monsters' Advocate
6% of 11305 decks +5% synergy
Nissa, Who Shakes the World
5% of 11372 decks +2% synergy
Utility Lands
Three Tree City
52% of 1863 decks +42% synergy
Yavimaya, Cradle of Growth
51% of 11164 decks +41% synergy
Kessig Wolf Run
36% of 1357 decks +20% synergy
Boseiju, Who Endures
35% of 10851 decks +15% synergy
Nykthos, Shrine to Nyx
34% of 11397 decks +29% synergy
Bojuka Bog
29% of 3288 decks -1% synergy
Castle Garenbrig
25% of 11355 decks +20% synergy
Reliquary Tower
25% of 11397 decks -5% synergy
Gaea's Cradle
23% of 11397 decks +17% synergy
Otawara, Soaring City
22% of 659 decks +6% synergy
Rogue's Passage
22% of 11397 decks +3% synergy
Shifting Woodland
21% of 2615 decks +11% synergy
Arena of Glory
21% of 302 decks +11% synergy
Gavony Township
19% of 1303 decks +9% synergy
Dryad Arbor
17% of 11397 decks +13% synergy
Rivendell
17% of 478 decks +11% synergy
Oran-Rief, the Vastwood
16% of 11397 decks +11% synergy
Shizo, Death's Storehouse
16% of 3288 decks +11% synergy
Alchemist's Refuge
16% of 692 decks +9% synergy
Ancient Tomb
15% of 11397 decks +5% synergy
Raging Ravine
15% of 1357 decks +12% synergy
Restless Ridgeline
14% of 673 decks +11% synergy
Takenuma, Abandoned Mire
11% of 3175 decks +1% synergy
Urborg, Tomb of Yawgmoth
9% of 11397 decks -1% synergy
Mosswort Bridge
9% of 11397 decks -2% synergy
Minas Tirith
8% of 845 decks -1% synergy
War Room
8% of 11260 decks +2% synergy
Emergence Zone
8% of 11372 decks +6% synergy
Eiganjo, Seat of the Empire
8% of 1207 decks -1% synergy
Minamo, School at Water's Edge
7% of 692 decks +3% synergy
Skarrg, the Rage Pits
7% of 1357 decks +4% synergy
Castle Locthwain
7% of 3286 decks +2% synergy
The Black Gate
7% of 1884 decks +3% synergy
Tranquil Thicket
7% of 11397 decks +3% synergy
Cabal Coffers
6% of 3288 decks -5% synergy
Novijen, Heart of Progress
6% of 692 decks +4% synergy
Homeward Path
5% of 11397 decks +4% synergy
Grim Backwoods
5% of 3288 decks +1% synergy
Phyrexian Tower
5% of 3288 decks -3% synergy
Mana Artifacts
Sol Ring
77% of 11397 decks -7% synergy
Arcane Signet
29% of 11355 decks -43% synergy
Patchwork Banner
15% of 1316 decks +5% synergy
Simic Signet
15% of 692 decks +0% synergy
Jeweled Lotus
14% of 11260 decks +8% synergy
Mana Crypt
14% of 11397 decks +5% synergy
Talisman of Curiosity
12% of 691 decks -0% synergy
Chrome Mox
11% of 11397 decks +4% synergy
Lotus Petal
10% of 11397 decks +3% synergy
Selesnya Signet
10% of 1303 decks +1% synergy
Talisman of Unity
9% of 1303 decks +1% synergy
Talisman of Resilience
8% of 3287 decks -3% synergy
Golgari Signet
8% of 3288 decks -4% synergy
Gruul Signet
8% of 1357 decks -4% synergy
Mana Vault
7% of 11397 decks +1% synergy
Talisman of Creativity
5% of 77 decks -24% synergy
Lands
Temple Garden
62% of 1303 decks +22% synergy
Overgrown Tomb
61% of 3288 decks +19% synergy
Stomping Ground
61% of 1357 decks +20% synergy
Llanowar Wastes
61% of 3288 decks +35% synergy
Woodland Cemetery
58% of 3288 decks +30% synergy
Breeding Pool
57% of 692 decks +15% synergy
Undergrowth Stadium
54% of 3285 decks +28% synergy
Cinder Glade
54% of 1357 decks +15% synergy
Gilt-Leaf Palace
53% of 3288 decks +52% synergy
Rejuvenating Springs
51% of 686 decks +22% synergy
Hallowed Fountain
50% of 209 decks +9% synergy
Hinterland Harbor
50% of 692 decks +22% synergy
Spire Garden
48% of 1357 decks +24% synergy
Canopy Vista
48% of 1303 decks +12% synergy
Sacred Foundry
48% of 311 decks +12% synergy
Command Tower
48% of 11397 decks -26% synergy
Rootbound Crag
47% of 1357 decks +23% synergy
Bountiful Promenade
46% of 1302 decks +22% synergy
Yavimaya Coast
46% of 692 decks +19% synergy
Jetmir's Garden
45% of 307 decks +12% synergy
Sunpetal Grove
44% of 1303 decks +21% synergy
Karplusan Forest
44% of 1357 decks +27% synergy
Hushwood Verge
43% of 118 decks +23% synergy
Rockfall Vale
43% of 1348 decks +21% synergy
Thornspire Verge
40% of 131 decks +22% synergy
Deathcap Glade
38% of 3193 decks +24% synergy
Brushland
38% of 1303 decks +22% synergy
Spara's Headquarters
36% of 200 decks +4% synergy
Flooded Grove
35% of 692 decks +23% synergy
Watery Grave
35% of 123 decks -6% synergy
Darkbore Pathway
34% of 3284 decks +26% synergy
Godless Shrine
34% of 110 decks -7% synergy
Steam Vents
32% of 77 decks -7% synergy
Tranquil Landscape
31% of 51 decks +15% synergy
Spectator Seating
31% of 310 decks +6% synergy
Twilight Mire
31% of 3288 decks +21% synergy
Overgrown Farmland
30% of 1236 decks +14% synergy
Dreamroot Cascade
30% of 664 decks +11% synergy
Jungle Shrine
30% of 311 decks -2% synergy
Ketria Triome
30% of 77 decks -3% synergy
Game Trail
30% of 1357 decks +14% synergy
Cavern of Souls
30% of 11397 decks +23% synergy
Necroblossom Snarl
29% of 3249 decks +18% synergy
Golgari Rot Farm
28% of 3288 decks +11% synergy
Branchloft Pathway
28% of 1282 decks +20% synergy
Indatha Triome
28% of 109 decks -3% synergy
Cragcrown Pathway
27% of 1354 decks +18% synergy
Vineglimmer Snarl
27% of 682 decks +17% synergy
Path of Ancestry
27% of 11397 decks +5% synergy
Sea of Clouds
26% of 209 decks -0% synergy