Agatha of the Vile Cauldron + Umbral Mantle + Earthcraft

Agatha of the Vile Cauldron
Umbral Mantle
Earthcraft

Requires
Agatha of the Vile Cauldron must be on the battlefield. Umbral Mantle must be on the battlefield. Earthcraft must be on the battlefield. Umbral Mantle attached to a creature that does not have summoning sickness. Agatha of the Vile Cauldron has power 2 or greater. You control at least one basic land.
Steps
  1. Activate a basic land by tapping it, adding 1.
  2. Activate Earthcraft by tapping the creature with Umbral Mantle attached, untapping the basic land.
  3. Activate the creature by paying 1 due to Agatha of the Vile Cauldron and untapping it, giving itself +2/+2 until end of turn.
  4. Repeat.
Results
Infinitely large creature until end of turn.

Agatha of the Vile Cauldron
0.60% of 4015 decks 24 decks
Tazri, Stalwart Survivor
0.05% of 1861 decks 1 decks
Marath, Will of the Wild
0.04% of 2487 decks 1 decks
High Synergy Cards
Agatha's Soul Cauldron
96% of 23 decks +94% synergy
Magus of the Candelabra
85% of 26 decks +84% synergy
Soulbright Flamekin
73% of 26 decks +73% synergy
Walking Ballista
73% of 26 decks +71% synergy
Pili-Pala
69% of 26 decks +69% synergy
Archdruid's Charm
67% of 9 decks +60% synergy
Bhaal's Invoker
58% of 26 decks +57% synergy
Captivating Crew
58% of 26 decks +56% synergy
Worldly Tutor
69% of 26 decks +55% synergy
Silvanus's Invoker
54% of 26 decks +54% synergy
Top Cards
Birds of Paradise
65% of 26 decks +38% synergy
Beast Within
65% of 26 decks +27% synergy
Jeska's Will
62% of 26 decks +44% synergy
Paradise Mantle
58% of 26 decks +57% synergy
Deflecting Swat
58% of 26 decks +41% synergy
Cryptolith Rite
54% of 26 decks +50% synergy
Dockside Extortionist
54% of 26 decks +42% synergy
Guardian Augmenter
50% of 26 decks +48% synergy
Staff of Domination
50% of 26 decks +48% synergy
Temur Sabertooth
50% of 26 decks +46% synergy
Creatures
Selvala, Heart of the Wilds
50% of 26 decks +45% synergy
Fanatic of Rhonas
50% of 6 decks +41% synergy
Delighted Halfling
50% of 24 decks +36% synergy
Svella, Ice Shaper
46% of 26 decks +45% synergy
Forgotten Ancient
46% of 26 decks +40% synergy
Goblin Anarchomancer
46% of 26 decks +32% synergy
Elvish Mystic
46% of 26 decks +28% synergy
Bristly Bill, Spine Sower
43% of 7 decks +38% synergy
Elder of Laurels
38% of 26 decks +38% synergy
Flamewave Invoker
38% of 26 decks +38% synergy
Spawnsire of Ulamog
38% of 26 decks +38% synergy
Kami of Whispered Hopes
38% of 26 decks +31% synergy
Seedborn Muse
38% of 26 decks +30% synergy
Eternal Witness
38% of 26 decks +18% synergy
Llanowar Elves
38% of 26 decks +18% synergy
Cogwork Assembler
35% of 26 decks +35% synergy
Valakut Invoker
35% of 26 decks +34% synergy
Gorilla Shaman
35% of 26 decks +34% synergy
Leafkin Avenger
35% of 26 decks +34% synergy
Incubation Druid
35% of 26 decks +30% synergy
Etali, Primal Conqueror
35% of 26 decks +23% synergy
Fyndhorn Elves
35% of 26 decks +22% synergy
Hateflayer
31% of 26 decks +31% synergy
Halana and Alena, Partners
31% of 26 decks +26% synergy
Imperial Recruiter
31% of 26 decks +25% synergy
Drillworks Mole
27% of 26 decks +27% synergy
Wildheart Invoker
27% of 26 decks +27% synergy
Sylvan Safekeeper
27% of 26 decks +24% synergy
Oran-Rief Invoker
23% of 26 decks +23% synergy
Frontier Guide
23% of 26 decks +23% synergy
Soul of New Phyrexia
23% of 26 decks +22% synergy
Duskwatch Recruiter
23% of 26 decks +22% synergy
Magus of the Moon
23% of 26 decks +22% synergy
Biophagus
23% of 26 decks +21% synergy
Orthion, Hero of Lavabrink
23% of 26 decks +21% synergy
Vorinclex
23% of 26 decks +21% synergy
Allosaurus Shepherd
23% of 26 decks +21% synergy
Devoted Druid
23% of 26 decks +20% synergy
Goblin Engineer
23% of 26 decks +20% synergy
Rishkar, Peema Renegade
23% of 26 decks +18% synergy
Beast Whisperer
23% of 26 decks +11% synergy
Stonework Packbeast
19% of 26 decks +19% synergy
Farmstead Gleaner
19% of 26 decks +19% synergy
Ardoz, Cobbler of War
19% of 26 decks +19% synergy
Rhonas the Indomitable
19% of 26 decks +18% synergy
Hydra Broodmaster
19% of 26 decks +18% synergy
Vexing Shusher
19% of 26 decks +17% synergy
Elvish Spirit Guide
19% of 26 decks +16% synergy
Defiler of Vigor
19% of 26 decks +15% synergy
Bloom Tender
19% of 26 decks +11% synergy
Instants
Nature's Claim
35% of 26 decks +25% synergy
Heroic Intervention
35% of 26 decks +5% synergy
Snakeskin Veil
31% of 26 decks +27% synergy
Tibalt's Trickery
27% of 26 decks +21% synergy
Chord of Calling
27% of 26 decks +21% synergy
Chaos Warp
27% of 26 decks -5% synergy
Invigorate
23% of 26 decks +22% synergy
Noxious Revival
23% of 26 decks +17% synergy
Red Elemental Blast
23% of 26 decks +17% synergy
Crop Rotation
23% of 26 decks +13% synergy
Legolas's Quick Reflexes
21% of 14 decks +18% synergy
Tyvar's Stand
19% of 26 decks +14% synergy
Pyroblast
19% of 26 decks +13% synergy
Lightning Bolt
19% of 26 decks +8% synergy
Abrade
19% of 26 decks +8% synergy
Veil of Summer
15% of 26 decks +9% synergy
Force of Vigor
12% of 26 decks +8% synergy
Sorceries
Finale of Devastation
35% of 26 decks +26% synergy
Gamble
35% of 26 decks +25% synergy
Three Visits
35% of 26 decks +10% synergy
Nature's Lore
35% of 26 decks +3% synergy
Vandalblast
31% of 26 decks +15% synergy
Eldritch Evolution
27% of 26 decks +22% synergy
Green Sun's Zenith
27% of 26 decks +21% synergy
Blasphemous Act
23% of 26 decks -10% synergy
Cultivate
23% of 26 decks -23% synergy
Kodama's Reach
19% of 26 decks -12% synergy
Scale Up
15% of 26 decks +15% synergy
Shatterskull Smashing
15% of 26 decks +12% synergy
Rishkar's Expertise
15% of 26 decks +5% synergy
Faithless Looting
15% of 26 decks -1% synergy
Sylvan Tutor
12% of 26 decks +10% synergy
Twinflame
12% of 26 decks +8% synergy
Wheel of Fortune
12% of 26 decks +6% synergy
Decimate
12% of 26 decks +3% synergy
Bala Ged Recovery
12% of 26 decks +3% synergy
Farseek
12% of 26 decks -23% synergy
Rampant Growth
12% of 26 decks -23% synergy
Utility Artifacts
Ozolith, the Shattered Spire
42% of 26 decks +36% synergy
Diviner's Wand
38% of 26 decks +38% synergy
The Great Henge
38% of 26 decks +29% synergy
Commander's Plate
35% of 26 decks +32% synergy
The One Ring
31% of 26 decks +22% synergy
Lightning Greaves
31% of 26 decks +5% synergy
The Ozolith
23% of 26 decks +20% synergy
Blackblade Reforged
23% of 26 decks +19% synergy
Swiftfoot Boots
19% of 26 decks -9% synergy
Sword of the Paruns
15% of 26 decks +15% synergy
Illusionist's Bracers
15% of 26 decks +14% synergy
Phyrexian Altar
15% of 26 decks +11% synergy
Mirran Banesplitter
12% of 24 decks +12% synergy
Dueling Rapier
12% of 26 decks +11% synergy
Hero's Blade
12% of 26 decks +11% synergy
Cloudstone Curio
12% of 26 decks +11% synergy
Rings of Brighthearth
12% of 26 decks +10% synergy
Thousand-Year Elixir
12% of 26 decks +9% synergy
Enchantments
Sylvan Library
50% of 26 decks +38% synergy
Rancor
35% of 26 decks +30% synergy
Guardian Project
35% of 26 decks +26% synergy
Court of Garenbrig
29% of 17 decks +26% synergy
Wild Growth
27% of 26 decks +16% synergy
Raised by Giants
23% of 26 decks +22% synergy
Tribute to the World Tree
23% of 26 decks +15% synergy
Kenrith's Transformation
19% of 26 decks +13% synergy
Hardened Scales
19% of 26 decks +10% synergy
Rhythm of the Wild
19% of 26 decks -4% synergy
Survival of the Fittest
15% of 26 decks +14% synergy
Hydra's Growth
15% of 26 decks +13% synergy
Carpet of Flowers
15% of 26 decks +12% synergy
Utopia Sprawl
15% of 26 decks +8% synergy
Careful Cultivation
12% of 26 decks +11% synergy
Blood Moon
12% of 26 decks +8% synergy
Aggravated Assault
12% of 26 decks +8% synergy
Bear Umbra
12% of 26 decks +7% synergy
Growing Rites of Itlimoc
12% of 26 decks +6% synergy
Underworld Breach
12% of 26 decks +5% synergy
Battles
Invasion of Ikoria
25% of 24 decks +20% synergy
Planeswalkers
Minsc & Boo, Timeless Heroes
15% of 26 decks +13% synergy
Karn, the Great Creator
12% of 26 decks +10% synergy
Utility Lands
Boseiju, Who Endures
65% of 26 decks +46% synergy
Yavimaya, Cradle of Growth
50% of 26 decks +41% synergy
Shifting Woodland
50% of 6 decks +40% synergy
Castle Garenbrig
38% of 26 decks +33% synergy
Gaea's Cradle
35% of 26 decks +29% synergy
Ancient Tomb
35% of 26 decks +24% synergy
Kessig Wolf Run
27% of 26 decks +11% synergy
Urza's Saga
23% of 26 decks +16% synergy
Nykthos, Shrine to Nyx
19% of 26 decks +14% synergy
Rogue's Passage
19% of 26 decks -0% synergy
Guildless Commons
15% of 26 decks +14% synergy
Dormant Volcano
12% of 26 decks +11% synergy
City of Traitors
12% of 26 decks +11% synergy
Forge of Heroes
12% of 26 decks +11% synergy
Mana Artifacts
Sol Ring
96% of 26 decks +12% synergy
Arcane Signet
69% of 26 decks -3% synergy
Basalt Monolith
35% of 26 decks +32% synergy
Mana Crypt
31% of 26 decks +22% synergy
Chrome Mox
27% of 26 decks +21% synergy
Talisman of Impulse
27% of 26 decks +18% synergy
Mana Vault
23% of 26 decks +17% synergy
Mox Amber
19% of 26 decks +15% synergy
Mox Diamond
19% of 26 decks +15% synergy
Gruul Signet
19% of 26 decks +7% synergy
Mox Opal
15% of 26 decks +11% synergy
Lotus Petal
15% of 26 decks +9% synergy
Gilded Lotus
12% of 26 decks +8% synergy
Thran Dynamo
12% of 26 decks +7% synergy
Lands
Command Tower
96% of 26 decks +22% synergy
Stomping Ground
92% of 26 decks +51% synergy
Wooded Foothills
88% of 26 decks +78% synergy
Taiga
62% of 26 decks +48% synergy
Gruul Turf
46% of 26 decks +30% synergy
Spire Garden
46% of 26 decks +22% synergy
Karplusan Forest
42% of 26 decks +25% synergy
Rootbound Crag
42% of 26 decks +19% synergy
Bloodstained Mire
38% of 26 decks +28% synergy
Arid Mesa
38% of 26 decks +28% synergy
Cinder Glade
38% of 26 decks -0% synergy
Windswept Heath
35% of 26 decks +24% synergy
Scalding Tarn
35% of 26 decks +24% synergy
Verdant Catacombs
35% of 26 decks +23% synergy
Misty Rainforest
35% of 26 decks +23% synergy
Rockfall Vale
35% of 26 decks +13% synergy
Fire-Lit Thicket
31% of 26 decks +26% synergy
Prismatic Vista
19% of 26 decks +14% synergy
Mana Confluence
19% of 26 decks +12% synergy
City of Brass
19% of 26 decks +11% synergy
Cragcrown Pathway
19% of 26 decks +10% synergy
Gemstone Caverns
15% of 26 decks +10% synergy
Mossfire Valley
15% of 26 decks +5% synergy
Exotic Orchard
15% of 26 decks -20% synergy
Grove of the Burnwillows
12% of 26 decks +9% synergy
Opal Palace
12% of 26 decks +9% synergy
Copperline Gorge
12% of 26 decks +7% synergy