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.

Marwyn, the Nurturer
54.12% of 5896 decks 3191 decks
Lathril, Blade of the Elves
11.22% of 21128 decks 2370 decks
Ezuri, Renegade Leader
35.58% of 2653 decks 944 decks
Raggadragga, Goreguts Boss
12.80% of 6869 decks 879 decks
Tyvar the Bellicose
16.03% of 2458 decks 394 decks
Selvala, Explorer Returned
18.68% of 2093 decks 391 decks
Rhys the Redeemed
7.72% of 4041 decks 312 decks
Seton, Krosan Protector
18.43% of 1031 decks 190 decks
Freyalise, Llanowar's Fury
9.61% of 1738 decks 167 decks
Voja, Jaws of the Conclave
1.40% of 11503 decks 161 decks
Omnath, Locus of Mana
2.09% of 6215 decks 130 decks
Selvala, Heart of the Wilds
2.17% of 4983 decks 108 decks
Yisan, the Wanderer Bard
5.27% of 1953 decks 103 decks
Galadriel, Light of Valinor
1.16% of 7839 decks 91 decks
Eladamri, Korvecdal
5.84% of 1198 decks 70 decks
Ezuri, Claw of Progress
1.04% of 6258 decks 65 decks
Kinnan, Bonder Prodigy
0.50% of 12009 decks 60 decks
Eladamri, Lord of Leaves
9.56% of 596 decks 57 decks
New Cards
Beast-Kin Ranger
75% of 4 decks +65% synergy
Dionus, Elvish Archdruid
73% of 176 decks +69% synergy
Tyvar, the Pummeler
49% of 608 decks +45% synergy
Thornspire Verge
48% of 85 decks +29% synergy
Hushwood Verge
45% of 78 decks +23% synergy
High Synergy Cards
Elvish Archdruid
87% of 11203 decks +84% synergy
Priest of Titania
87% of 11203 decks +83% synergy
Staff of Domination
74% of 11204 decks +72% synergy
Elvish Mystic
90% of 11203 decks +72% synergy
Fyndhorn Elves
83% of 11203 decks +70% synergy
Llanowar Elves
90% of 11203 decks +69% synergy
Beast Whisperer
81% of 11190 decks +69% synergy
Circle of Dreams Druid
73% of 10902 decks +69% synergy
Leaf-Crowned Visionary
65% of 10235 decks +63% synergy
Wirewood Lodge
64% of 11203 decks +62% synergy
Top Cards
Rhythm of the Wild
70% of 1332 decks +47% synergy
Swords to Plowshares
68% of 1277 decks +5% synergy
Reclamation Sage
66% of 11203 decks +55% synergy
Beast Within
63% of 11203 decks +24% synergy
Elves of Deep Shadow
62% of 3207 decks +51% synergy
Heroic Intervention
59% of 11203 decks +29% synergy
Arbor Elf
59% of 11203 decks +52% synergy
Shalai and Hallar
56% of 247 decks +52% synergy
Ezuri, Renegade Leader
56% of 11203 decks +55% synergy
Assassin's Trophy
56% of 3207 decks +26% synergy
Creatures
Quirion Ranger
53% of 11203 decks +51% synergy
Imperious Perfect
51% of 11203 decks +49% synergy
Wirewood Symbiote
51% of 11203 decks +49% synergy
Elvish Warmaster
50% of 11046 decks +47% synergy
Shaman of the Pack
49% of 3207 decks +47% synergy
Allosaurus Shepherd
48% of 11099 decks +46% synergy
Wirewood Channeler
47% of 11203 decks +46% synergy
Craterhoof Behemoth
46% of 11203 decks +40% synergy
Eladamri, Korvecdal
44% of 2499 decks +41% synergy
Galadhrim Brigade
41% of 4445 decks +40% synergy
Ruby, Daring Tracker
41% of 804 decks +37% synergy
Elvish Champion
41% of 11203 decks +40% synergy
Lys Alana Huntmaster
41% of 11203 decks +39% synergy
Elvish Harbinger
40% of 11203 decks +39% synergy
Skemfar Shadowsage
40% of 3203 decks +39% synergy
Mirror Entity
39% of 1277 decks +34% synergy
Elfsworn Giant
39% of 18 decks +34% synergy
Canopy Tactician
39% of 11046 decks +37% synergy
Elvish Visionary
38% of 11203 decks +36% synergy
Radha, Heir to Keld
38% of 1332 decks +37% synergy
Deathrite Shaman
37% of 3207 decks +25% synergy
Eternal Witness
37% of 11203 decks +16% synergy
Poison-Tip Archer
37% of 3207 decks +31% synergy
Avacyn's Pilgrim
36% of 1276 decks +21% synergy
Druid of the Anima
36% of 294 decks +34% synergy
Realmwalker
35% of 11046 decks +30% synergy
Joraga Warcaller
34% of 11203 decks +33% synergy
Tyvar the Bellicose
34% of 2041 decks +33% synergy
Enduring Vitality
34% of 300 decks +9% synergy
Quilled Greatwurm
33% of 18 decks +17% synergy
Glissa Sunslayer
33% of 2591 decks +27% synergy
Boreal Druid
33% of 11203 decks +31% synergy
Fauna Shaman
33% of 11203 decks +30% synergy
Disciple of Freyalise
33% of 2255 decks +25% synergy
Immaculate Magistrate
33% of 11203 decks +31% synergy
Zhur-Taa Druid
33% of 1332 decks +30% synergy
Regal Force
32% of 11203 decks +31% synergy
Llanowar Tribe
32% of 11173 decks +30% synergy
Temur Sabertooth
30% of 11203 decks +27% synergy
Dwynen, Gilt-Leaf Daen
30% of 11203 decks +29% synergy
Copperhorn Scout
30% of 11203 decks +29% synergy
Skemfar Avenger
29% of 3203 decks +29% synergy
Ruthless Winnower
29% of 3203 decks +29% synergy
Timberwatch Elf
28% of 11203 decks +27% synergy
Heritage Druid
28% of 11203 decks +28% synergy
Wandertale Mentor
28% of 163 decks +23% synergy
Abomination of Llanowar
28% of 3204 decks +26% synergy
Kutzil, Malamet Exemplar
27% of 494 decks +8% synergy
Noble Hierarch
27% of 205 decks +11% synergy
Wood Elves
27% of 11203 decks +20% synergy
Instants
Path to Exile
50% of 1277 decks +5% synergy
Worldly Tutor
44% of 11203 decks +30% synergy
Eladamri's Call
42% of 1276 decks +30% synergy
Chord of Calling
42% of 11203 decks +36% synergy
Cyclonic Rift
40% of 681 decks +12% synergy
Counterspell
38% of 681 decks -5% synergy
Elven Ambush
37% of 11046 decks +36% synergy
Putrefy
37% of 3207 decks +21% synergy
Enlightened Tutor
36% of 1277 decks +19% synergy
Swan Song
34% of 681 decks +18% synergy
Return of the Wildspeaker
34% of 11160 decks +20% synergy
Vitalize
33% of 11203 decks +32% synergy
Chaos Warp
33% of 1332 decks +0% synergy
Archdruid's Charm
32% of 3224 decks +25% synergy
Legolas's Quick Reflexes
32% of 4702 decks +29% synergy
Galadhrim Ambush
31% of 5986 decks +29% synergy
Boros Charm
31% of 294 decks +5% synergy
Vampiric Tutor
30% of 3207 decks +12% synergy
Teferi's Protection
30% of 1277 decks +10% synergy
Generous Gift
30% of 1270 decks +4% synergy
Golgari Charm
29% of 3207 decks +23% synergy
Veil of Summer
27% of 11169 decks +21% synergy
Comet Storm
27% of 1332 decks +24% synergy
Nature's Claim
27% of 11203 decks +17% synergy
Deflecting Swat
27% of 1331 decks +10% synergy
Abrupt Decay
27% of 3207 decks +16% synergy
Revitalizing Repast
26% of 571 decks +14% synergy
Fierce Guardianship
26% of 680 decks +8% synergy
An Offer You Can't Refuse
23% of 635 decks +2% synergy
Crop Rotation
22% of 11203 decks +13% synergy
Flawless Maneuver
21% of 1260 decks +12% synergy
Negate
21% of 681 decks -2% synergy
To Arms!
20% of 1277 decks +20% synergy
Summoner's Pact
19% of 11203 decks +17% synergy
Mystical Tutor
18% of 681 decks +3% synergy
Mana Drain
18% of 681 decks +3% synergy
Untimely Malfunction
18% of 67 decks +1% synergy
Deadly Rollick
18% of 3205 decks +7% synergy
Force of Vigor
18% of 11173 decks +14% synergy
Shared Summons
18% of 11169 decks +16% synergy
Arcane Denial
17% of 681 decks -3% synergy
Krosan Grip
16% of 11203 decks +8% synergy
Commune with Lava
16% of 1332 decks +15% synergy
Silence
16% of 1277 decks +9% synergy
Tyvar's Stand
15% of 7939 decks +10% synergy
Autumn's Veil
15% of 11203 decks +13% synergy
Dawn's Truce
15% of 131 decks -3% synergy
Red Elemental Blast
14% of 1332 decks +8% synergy
Tibalt's Trickery
14% of 1327 decks +9% synergy
Gift of the Viper
14% of 1574 decks +10% synergy
Sorceries
Green Sun's Zenith
47% of 11203 decks +40% synergy
Finale of Devastation
43% of 11178 decks +35% synergy
Shamanic Revelation
40% of 11203 decks +30% synergy
Pact of the Serpent
39% of 3203 decks +37% synergy
Demonic Tutor
37% of 3207 decks +14% synergy
Elvish Promenade
33% of 11203 decks +32% synergy
Genesis Wave
32% of 11203 decks +30% synergy
Raise the Palisade
31% of 440 decks +27% synergy
Fanning the Flames
27% of 1332 decks +27% synergy
Natural Order
27% of 11203 decks +24% synergy
Rishkar's Expertise
24% of 11203 decks +14% synergy
Blasphemous Act
24% of 1332 decks -10% synergy
Triumph of the Hordes
21% of 11203 decks +17% synergy
Kindred Dominance
20% of 3207 decks +17% synergy
Diabolic Intent
20% of 3207 decks +11% synergy
Torment of Hailfire
20% of 3207 decks +15% synergy
Harmonize
19% of 11203 decks +10% synergy
Last March of the Ents
19% of 6541 decks +14% synergy
Patriarch's Bidding
18% of 3207 decks +15% synergy
Gamble
18% of 1332 decks +8% synergy
Casualties of War
18% of 3207 decks +13% synergy
Bridgeworks Battle
17% of 2106 decks +12% synergy
Cultivate
17% of 11203 decks -30% synergy
Jeska's Will
17% of 1328 decks -1% synergy
Overwhelming Stampede
16% of 11203 decks +10% synergy
Preposterous Proportions
16% of 56 decks +9% synergy
Eldritch Evolution
16% of 11203 decks +11% synergy
Tooth and Nail
16% of 11203 decks +14% synergy
Jaya's Immolating Inferno
16% of 1332 decks +14% synergy
Vandalblast
16% of 1332 decks -1% synergy
Blasphemous Edict
15% of 20 decks -19% synergy
Crackle with Power
15% of 1326 decks +12% synergy
Turntimber Symbiosis
14% of 11087 decks +12% synergy
Neoform
14% of 679 decks +8% synergy
Villainous Wealth
13% of 119 decks +5% synergy
Nature's Lore
13% of 11203 decks -19% synergy
Stump Stomp
13% of 311 decks +4% synergy
Exsanguinate
12% of 3207 decks +7% synergy
Toxic Deluge
12% of 3207 decks -5% synergy
Fabricate
12% of 681 decks +6% synergy
Bala Ged Recovery
12% of 11087 decks +2% synergy
Season of Gathering
11% of 931 decks +6% synergy
Scale Up
11% of 11173 decks +11% synergy
Farewell
11% of 1180 decks -3% synergy
Shatterskull Smashing
11% of 1329 decks +8% synergy
Rampant Growth
11% of 11203 decks -24% synergy
Decimate
11% of 1332 decks +2% synergy
Preordain
11% of 681 decks -0% synergy
Three Visits
11% of 11203 decks -14% synergy
Glimpse of Nature
10% of 11203 decks +10% synergy
Utility Artifacts
Banner of Kinship
43% of 56 decks +32% synergy
Lightning Greaves
38% of 11204 decks +13% synergy
Thousand-Year Elixir
30% of 11204 decks +28% synergy
Swiftfoot Boots
28% of 11204 decks +1% synergy
Skullclamp
21% of 11204 decks +8% synergy
The Great Henge
20% of 11160 decks +11% synergy
Lifecrafter's Bestiary
19% of 11203 decks +15% synergy
Sword of the Paruns
18% of 11204 decks +18% synergy
Vanquisher's Banner
17% of 11204 decks +13% synergy
Emerald Medallion
14% of 11204 decks +13% synergy
Bolas's Citadel
14% of 3207 decks +4% synergy
Coat of Arms
12% of 11204 decks +10% synergy
Halo Fountain
11% of 1154 decks +8% synergy
Throne of the God-Pharaoh
9% of 11204 decks +8% synergy
The One Ring
9% of 7561 decks -0% synergy
Herald's Horn
8% of 11204 decks +2% synergy
Cloudstone Curio
8% of 11204 decks +7% synergy
Leyline Axe
7% of 56 decks +1% synergy
Ozolith, the Shattered Spire
7% of 7284 decks +1% synergy
Rhonas's Monument
6% of 11204 decks +5% synergy
Door of Destinies
6% of 11204 decks +4% synergy
Hammer of Purphoros
6% of 1332 decks +5% synergy
Serpent's Soul-Jar
5% of 3203 decks +5% synergy
Akroma's Memorial
5% of 11204 decks +4% synergy
Time Sieve
5% of 119 decks +2% synergy
Enchantments
Annie Joins Up
46% of 96 decks +27% synergy
Aggravated Assault
41% of 1332 decks +38% synergy
Rhystic Study
39% of 681 decks +11% synergy
Guardian Project
37% of 11183 decks +28% synergy
Elderfang Venom
36% of 3203 decks +35% synergy
Dazzling Theater // Prop Room
35% of 26 decks +1% synergy
Sylvan Library
35% of 11203 decks +23% synergy
Fires of Yavimaya
34% of 1332 decks +30% synergy
Growing Rites of Itlimoc
32% of 11203 decks +26% synergy
Elven Chorus
31% of 6268 decks +27% synergy
Concordant Crossroads
30% of 11203 decks +27% synergy
Aura Shards
30% of 1276 decks +21% synergy
Freed from the Real
28% of 681 decks +26% synergy
Prowess of the Fair
28% of 3207 decks +27% synergy
Smothering Tithe
27% of 1274 decks +2% synergy
Elvish Guidance
27% of 11203 decks +26% synergy
Leyline of Abundance
25% of 11169 decks +23% synergy
Mystic Remora
23% of 681 decks +5% synergy
Wild Growth
23% of 11203 decks +12% synergy
Rising of the Day
22% of 926 decks +16% synergy
Kenrith's Transformation
22% of 11160 decks +15% synergy
Intruder Alarm
22% of 681 decks +20% synergy
Pemmin's Aura
19% of 681 decks +17% synergy
Tribute to the World Tree
18% of 7532 decks +9% synergy
Moldervine Reclamation
17% of 3206 decks +8% synergy
Anointed Procession
17% of 1277 decks +8% synergy
Simic Ascendancy
16% of 679 decks +11% synergy
Beastmaster Ascension
16% of 11203 decks +10% synergy
Utopia Sprawl
15% of 11203 decks +7% synergy
Cathars' Crusade
14% of 1277 decks +9% synergy
Mirari's Wake
14% of 1276 decks -0% synergy
Kindred Discovery
14% of 681 decks +6% synergy
Quest for Renewal
13% of 11203 decks +12% synergy
Phyrexian Arena
13% of 3207 decks -2% synergy
Cultist of the Absolute
11% of 3028 decks +10% synergy
Song of the Dryads
10% of 11203 decks +8% synergy
Sheltered by Ghosts
10% of 29 decks -1% synergy
Doubling Season
10% of 11203 decks +1% synergy
Sylvan Anthem
10% of 10967 decks +8% synergy
Temur Ascendancy
10% of 73 decks -5% synergy
Stocking the Pantry
9% of 741 decks +6% synergy
Carpet of Flowers
9% of 11203 decks +6% synergy
All Will Be One
9% of 1103 decks +6% synergy
Training Grounds
9% of 681 decks +6% synergy
Warleader's Call
9% of 135 decks -2% synergy
Asceticism
9% of 11203 decks +6% synergy
Survival of the Fittest
8% of 11203 decks +7% synergy
Instill Energy
8% of 11203 decks +7% synergy
Crown of Skemfar
8% of 11046 decks +8% synergy
Binding the Old Gods
8% of 3203 decks +2% synergy
Battles
Invasion of Ikoria
18% of 7218 decks +13% synergy
Planeswalkers
Tyvar, Jubilant Brawler
55% of 2591 decks +50% synergy
Tyvar Kell
55% of 3203 decks +53% synergy
Freyalise, Llanowar's Fury
25% of 11203 decks +23% synergy
Garruk, Primal Hunter
13% of 11203 decks +10% synergy
Domri, Anarch of Bolas
7% of 1332 decks +4% synergy
Oko, Thief of Crowns
7% of 679 decks +1% synergy
Huatli, Radiant Champion
6% of 1276 decks +5% synergy
Vivien, Monsters' Advocate
6% of 11112 decks +5% synergy
Nissa, Who Shakes the World
5% of 11178 decks +2% synergy
Utility Lands
Three Tree City
56% of 1382 decks +46% synergy
Yavimaya, Cradle of Growth
50% of 10968 decks +41% synergy
Kessig Wolf Run
36% of 1332 decks +21% synergy
Boseiju, Who Endures
35% of 10632 decks +15% synergy
Nykthos, Shrine to Nyx
34% of 11204 decks +29% synergy
Bojuka Bog
29% of 3207 decks -1% synergy
Castle Garenbrig
25% of 11160 decks +20% synergy
Reliquary Tower
25% of 11204 decks -5% synergy
Gaea's Cradle
23% of 11203 decks +17% synergy
Otawara, Soaring City
22% of 647 decks +5% synergy
Rogue's Passage
22% of 11204 decks +3% synergy
Shifting Woodland
21% of 2106 decks +11% synergy
Arena of Glory
21% of 241 decks +11% synergy
Gavony Township
19% of 1276 decks +10% synergy
Dryad Arbor
17% of 11203 decks +13% synergy
Rivendell
17% of 455 decks +11% synergy
Alchemist's Refuge
16% of 680 decks +10% synergy
Oran-Rief, the Vastwood
16% of 11203 decks +11% synergy
Shizo, Death's Storehouse
16% of 3207 decks +11% synergy
Raging Ravine
15% of 1332 decks +13% synergy
Ancient Tomb
15% of 11204 decks +5% synergy
Restless Ridgeline
14% of 605 decks +11% synergy
Takenuma, Abandoned Mire
11% of 3089 decks +1% synergy
Mosswort Bridge
9% of 11203 decks -2% synergy
Urborg, Tomb of Yawgmoth
9% of 11204 decks -1% synergy
Minas Tirith
8% of 793 decks -1% synergy
War Room
8% of 11066 decks +2% synergy
Emergence Zone
8% of 11179 decks +6% synergy
Eiganjo, Seat of the Empire
8% of 1180 decks -1% synergy
Minamo, School at Water's Edge
7% of 681 decks +3% synergy
Skarrg, the Rage Pits
7% of 1332 decks +4% synergy
Castle Locthwain
7% of 3205 decks +2% synergy
Tranquil Thicket
7% of 11203 decks +3% synergy
The Black Gate
7% of 1729 decks +3% synergy
Cabal Coffers
6% of 3207 decks -5% synergy
Novijen, Heart of Progress
6% of 680 decks +4% synergy
Grim Backwoods
6% of 3207 decks +2% synergy
Homeward Path
6% of 11204 decks +4% synergy
Phyrexian Tower
5% of 3207 decks -3% synergy
Soulstone Sanctuary
5% of 56 decks +4% synergy
Pendelhaven
5% of 11203 decks +5% synergy
Mana Artifacts
Sol Ring
77% of 11204 decks -7% synergy
Arcane Signet
29% of 11161 decks -43% synergy
Patchwork Banner
18% of 840 decks +8% synergy
Jeweled Lotus
15% of 11066 decks +9% synergy
Mana Crypt
15% of 11204 decks +6% synergy
Simic Signet
15% of 680 decks -0% synergy
Talisman of Curiosity
12% of 679 decks -1% synergy
Chrome Mox
11% of 11204 decks +4% synergy
Lotus Petal
10% of 11204 decks +3% synergy
Selesnya Signet
10% of 1276 decks +1% synergy
Talisman of Unity
9% of 1276 decks +2% synergy
Talisman of Resilience
8% of 3206 decks -3% synergy
Golgari Signet
8% of 3207 decks -4% synergy
Gruul Signet
8% of 1332 decks -4% synergy
Mana Vault
7% of 11204 decks +1% synergy
Talisman of Creativity
5% of 73 decks -23% synergy
Boros Signet
5% of 294 decks -19% synergy
Lands
Temple Garden
62% of 1276 decks +22% synergy
Overgrown Tomb
62% of 3207 decks +19% synergy
Llanowar Wastes
61% of 3207 decks +35% synergy
Stomping Ground
60% of 1332 decks +19% synergy
Woodland Cemetery
58% of 3207 decks +30% synergy
Breeding Pool
57% of 680 decks +16% synergy
Undergrowth Stadium
54% of 3204 decks +28% synergy
Cinder Glade
54% of 1332 decks +16% synergy
Gilt-Leaf Palace
53% of 3207 decks +52% synergy
Rejuvenating Springs
51% of 673 decks +22% synergy
Hinterland Harbor
50% of 680 decks +23% synergy
Hallowed Fountain
49% of 206 decks +8% synergy
Canopy Vista
49% of 1276 decks +13% synergy
Spire Garden
48% of 1332 decks +24% synergy
Command Tower
48% of 11204 decks -26% synergy
Sacred Foundry
48% of 294 decks +11% synergy
Bountiful Promenade
47% of 1275 decks +23% synergy
Yavimaya Coast
46% of 680 decks +20% synergy
Rootbound Crag
46% of 1332 decks +23% synergy
Jetmir's Garden
45% of 290 decks +12% synergy
Karplusan Forest
44% of 1332 decks +27% synergy
Sunpetal Grove
44% of 1276 decks +21% synergy
Rockfall Vale
44% of 1323 decks +22% synergy
Brushland
38% of 1276 decks +22% synergy
Deathcap Glade
38% of 3108 decks +24% synergy
Watery Grave
36% of 119 decks -5% synergy
Spara's Headquarters
36% of 196 decks +4% synergy
Flooded Grove
35% of 680 decks +23% synergy
Godless Shrine
35% of 109 decks -6% synergy
Darkbore Pathway
35% of 3203 decks +26% synergy
Tranquil Landscape
34% of 41 decks +17% synergy
Steam Vents
32% of 73 decks -8% synergy
Spectator Seating
31% of 293 decks +6% synergy
Jungle Shrine
31% of 294 decks -1% synergy
Twilight Mire
31% of 3207 decks +21% synergy
Overgrown Farmland
30% of 1208 decks +14% synergy
Game Trail
30% of 1332 decks +14% synergy
Dreamroot Cascade
30% of 651 decks +11% synergy
Cavern of Souls
29% of 11204 decks +22% synergy
Necroblossom Snarl
29% of 3168 decks +18% synergy
Ketria Triome
29% of 73 decks -4% synergy
Indatha Triome
29% of 108 decks -2% synergy
Branchloft Pathway
29% of 1256 decks +20% synergy
Golgari Rot Farm
28% of 3207 decks +11% synergy
Cragcrown Pathway
27% of 1329 decks +18% synergy
Vineglimmer Snarl
27% of 669 decks +16% synergy
Path of Ancestry
26% of 11204 decks +5% synergy
Sea of Clouds
26% of 206 decks +0% synergy
Zagoth Triome
25% of 119 decks -6% synergy
Fortified Village
24% of 1276 decks +9% synergy