Agatha of the Vile Cauldron + Umbral Mantle + Cryptolith Rite

Agatha of the Vile Cauldron
Umbral Mantle
Cryptolith Rite

Requires
Agatha of the Vile Cauldron must be on the battlefield. Umbral Mantle must be on the battlefield. Cryptolith Rite 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.
Steps
  1. Activate the creature with Umbral Mantle attached by tapping it, adding 1.
  2. Activate the creature by paying 1 due to Agatha of the Vile Cauldron and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.
Results
Infinitely large creature until end of turn.

Agatha of the Vile Cauldron
0.91% of 4066 decks 37 decks
Tazri, Stalwart Survivor
0.90% of 1887 decks 17 decks
Samut, Voice of Dissent
0.06% of 1795 decks 1 decks
Kenrith, the Returned King
0.00% of 21933 decks 1 decks
The Fifteenth Doctor // Susan Foreman
11.11% of 9 decks 1 decks
Raggadragga, Goreguts Boss
0.01% of 6963 decks 1 decks
Minsc & Boo, Timeless Heroes
0.02% of 6456 decks 1 decks
Bruse Tarl, Boorish Herder // Thrasios, Triton Hero
0.05% of 1917 decks 1 decks
New Cards
Enduring Vitality
60% of 5 decks +41% synergy
Marvin, Murderous Mimic
60% of 10 decks +56% synergy
Tyvar, the Pummeler
36% of 11 decks +33% synergy
Thornspire Verge
30% of 10 decks +12% synergy
High Synergy Cards
Zirda, the Dawnwaker
100% of 20 decks +97% synergy
Training Grounds
90% of 20 decks +87% synergy
Kenrith, the Returned King
89% of 18 decks +85% synergy
Biomancer's Familiar
85% of 20 decks +82% synergy
Kinnan, Bonder Prodigy
85% of 20 decks +81% synergy
Faeburrow Elder
85% of 20 decks +74% synergy
Dynaheir, Invoker Adept
68% of 19 decks +68% synergy
Gretchen Titchwillow
65% of 20 decks +64% synergy
Agatha's Soul Cauldron
64% of 56 decks +63% synergy
Magus of the Candelabra
63% of 60 decks +62% synergy
Top Cards
Tyvar, Jubilant Brawler
67% of 18 decks +62% synergy
Shalai, Voice of Plenty
65% of 20 decks +58% synergy
Pili-Pala
62% of 60 decks +61% synergy
Patrol Signaler
60% of 20 decks +60% synergy
Knacksaw Clique
60% of 20 decks +60% synergy
Thrasios, Triton Hero
60% of 20 decks +58% synergy
Kiora's Follower
60% of 20 decks +54% synergy
Selvala, Eager Trailblazer
57% of 7 decks +56% synergy
Svella, Ice Shaper
55% of 60 decks +54% synergy
Samut, Voice of Dissent
55% of 20 decks +52% synergy
Creatures
Chulane, Teller of Tales
53% of 19 decks +48% synergy
Birds of Paradise
52% of 60 decks +25% synergy
Ioreth of the Healing House
50% of 20 decks +48% synergy
Bhaal's Invoker
48% of 60 decks +48% synergy
Soulbright Flamekin
48% of 60 decks +48% synergy
Walking Ballista
48% of 60 decks +46% synergy
Fanatic of Rhonas
47% of 19 decks +38% synergy
Triskaidekaphile
45% of 20 decks +42% synergy
Incubation Druid
45% of 60 decks +40% synergy
Puresight Merrow
42% of 19 decks +42% synergy
Hateflayer
42% of 60 decks +42% synergy
Adric, Mathematical Genius
42% of 12 decks +41% synergy
Bristly Bill, Spine Sower
41% of 22 decks +36% synergy
Faerie Mastermind
40% of 20 decks +33% synergy
Kami of Whispered Hopes
40% of 60 decks +33% synergy
Zacama, Primal Calamity
40% of 20 decks +31% synergy
Silvanus's Invoker
38% of 60 decks +38% synergy
Temur Sabertooth
37% of 60 decks +33% synergy
Forgotten Ancient
37% of 60 decks +31% synergy
Faerie Formation
35% of 20 decks +34% synergy
Omen Hawker
35% of 20 decks +34% synergy
Zimone, Quandrix Prodigy
35% of 20 decks +34% synergy
Inga and Esika
35% of 20 decks +30% synergy
Goblin Anarchomancer
35% of 60 decks +21% synergy
Captivating Crew
33% of 60 decks +32% synergy
Dauntless Dismantler
33% of 9 decks +30% synergy
Likeness Looter
33% of 12 decks +29% synergy
Halana and Alena, Partners
33% of 60 decks +29% synergy
Selvala, Heart of the Wilds
33% of 60 decks +28% synergy
Bloom Tender
33% of 60 decks +25% synergy
Delighted Halfling
33% of 58 decks +19% synergy
Noble Hierarch
32% of 19 decks +15% synergy
Order of Whiteclay
30% of 20 decks +30% synergy
Guardian Augmenter
30% of 60 decks +29% synergy
Spectral Sailor
30% of 20 decks +28% synergy
Drumbellower
30% of 20 decks +28% synergy
Selfless Spirit
30% of 20 decks +26% synergy
Evolution Witness
30% of 20 decks +25% synergy
Seedborn Muse
30% of 60 decks +22% synergy
Drillworks Mole
28% of 60 decks +28% synergy
Wildheart Invoker
28% of 60 decks +28% synergy
Dockside Extortionist
28% of 60 decks +17% synergy
Llanowar Elves
28% of 60 decks +7% synergy
Havengul Lich
28% of 18 decks +26% synergy
Jegantha, the Wellspring
28% of 18 decks +21% synergy
Sisay, Weatherlight Captain
28% of 18 decks +21% synergy
Deathrite Shaman
28% of 18 decks +16% synergy
Ignoble Hierarch
28% of 18 decks +2% synergy
Leafkin Avenger
27% of 60 decks +26% synergy
Biophagus
27% of 60 decks +25% synergy
Instants
Swords to Plowshares
55% of 20 decks -8% synergy
Beast Within
53% of 60 decks +15% synergy
Worldly Tutor
48% of 60 decks +34% synergy
Deflecting Swat
45% of 60 decks +29% synergy
Heroic Intervention
43% of 60 decks +14% synergy
Archdruid's Charm
37% of 30 decks +30% synergy
Dramatic Reversal
35% of 20 decks +30% synergy
Path to Exile
35% of 20 decks -11% synergy
Nature's Claim
30% of 60 decks +21% synergy
Cyclonic Rift
30% of 20 decks +2% synergy
Chaos Warp
28% of 60 decks -4% synergy
Tibalt's Trickery
27% of 60 decks +21% synergy
Eladamri's Call
25% of 20 decks +14% synergy
Snakeskin Veil
23% of 60 decks +19% synergy
Assassin's Trophy
22% of 18 decks -8% synergy
Fierce Guardianship
20% of 20 decks +2% synergy
An Offer You Can't Refuse
20% of 20 decks -1% synergy
Chord of Calling
17% of 60 decks +11% synergy
Anguished Unmaking
17% of 18 decks -7% synergy
Gaea's Gift
15% of 60 decks +12% synergy
Force of Will
15% of 20 decks +4% synergy
Stroke of Midnight
15% of 20 decks +3% synergy
Swan Song
15% of 20 decks -1% synergy
Enlightened Tutor
15% of 20 decks -3% synergy
Invigorate
13% of 60 decks +12% synergy
Pyroblast
13% of 60 decks +7% synergy
Crop Rotation
13% of 60 decks +4% synergy
Lightning Bolt
13% of 60 decks +3% synergy
Legolas's Quick Reflexes
13% of 39 decks +10% synergy
Red Elemental Blast
12% of 60 decks +5% synergy
Abrade
12% of 60 decks +0% synergy
Royal Treatment
11% of 47 decks +9% synergy
Force of Vigor
8% of 60 decks +5% synergy
Noxious Revival
8% of 60 decks +3% synergy
Veil of Summer
8% of 60 decks +2% synergy
Tamiyo's Safekeeping
8% of 60 decks +2% synergy
Inspiring Call
8% of 60 decks +1% synergy
Return to Nature
7% of 60 decks +0% synergy
Sorceries
Nature's Lore
37% of 60 decks +5% synergy
Jeska's Will
35% of 60 decks +18% synergy
Three Visits
32% of 60 decks +7% synergy
Demonic Tutor
28% of 18 decks +6% synergy
Cultivate
25% of 60 decks -21% synergy
Blasphemous Act
23% of 60 decks -10% synergy
Gamble
22% of 60 decks +12% synergy
Bala Ged Recovery
20% of 60 decks +11% synergy
Farseek
20% of 60 decks -14% synergy
Witch's Mark
19% of 42 decks +17% synergy
Finale of Devastation
18% of 60 decks +10% synergy
Rishkar's Expertise
18% of 60 decks +8% synergy
Kodama's Reach
18% of 60 decks -13% synergy
Eerie Ultimatum
17% of 18 decks +4% synergy
Vandalblast
17% of 60 decks +1% synergy
Damn
17% of 18 decks +0% synergy
Eldritch Evolution
15% of 60 decks +10% synergy
Green Sun's Zenith
15% of 60 decks +9% synergy
Rampant Growth
15% of 60 decks -20% synergy
Decimate
12% of 60 decks +3% synergy
Faithless Looting
12% of 60 decks -5% synergy
Reckless Handling
10% of 58 decks +8% synergy
Wheel of Fortune
10% of 60 decks +5% synergy
Shamanic Revelation
8% of 60 decks -1% synergy
Sylvan Tutor
7% of 60 decks +6% synergy
Twinflame
7% of 60 decks +4% synergy
Utility Artifacts
Staff of Domination
48% of 60 decks +47% synergy
The Enigma Jewel
42% of 12 decks +41% synergy
Ozolith, the Shattered Spire
35% of 60 decks +29% synergy
The Great Henge
33% of 60 decks +23% synergy
Thousand-Year Elixir
32% of 60 decks +30% synergy
Lightning Greaves
28% of 60 decks +3% synergy
Halo Fountain
20% of 20 decks +17% synergy
Diviner's Wand
18% of 60 decks +18% synergy
Illusionist's Bracers
18% of 60 decks +17% synergy
The Ozolith
18% of 60 decks +15% synergy
The One Ring
17% of 60 decks +8% synergy
Swiftfoot Boots
15% of 60 decks -13% synergy
Rings of Brighthearth
13% of 60 decks +12% synergy
Swashbuckler's Whip
12% of 32 decks +12% synergy
Heartstone
12% of 60 decks +11% synergy
Lithoform Engine
12% of 60 decks +10% synergy
Blackblade Reforged
12% of 60 decks +8% synergy
Commander's Plate
10% of 60 decks +8% synergy
Sword of the Paruns
8% of 60 decks +8% synergy
Magewright's Stone
8% of 60 decks +8% synergy
Hero's Blade
8% of 60 decks +8% synergy
Phyrexian Altar
8% of 60 decks +4% synergy
Battlemage's Bracers
7% of 60 decks +6% synergy
Enchantments
Leyline of the Guildpact
43% of 7 decks +20% synergy
Freed from the Real
40% of 20 decks +38% synergy
Rhythm of the Wild
40% of 60 decks +17% synergy
Intruder Alarm
35% of 20 decks +33% synergy
Guardian Project
32% of 60 decks +23% synergy
Tribute to the World Tree
30% of 60 decks +22% synergy
Rhystic Study
30% of 20 decks +2% synergy
Sylvan Library
28% of 60 decks +17% synergy
Innkeeper's Talent
27% of 11 decks +19% synergy
Pemmin's Aura
25% of 20 decks +24% synergy
Court of Garenbrig
24% of 45 decks +21% synergy
Raised by Giants
23% of 60 decks +23% synergy
Earthcraft
23% of 60 decks +23% synergy
Hardened Scales
23% of 60 decks +14% synergy
Leyline of Abundance
20% of 60 decks +19% synergy
Elven Chorus
17% of 58 decks +13% synergy
Quest for Renewal
17% of 60 decks +15% synergy
Rancor
15% of 60 decks +10% synergy
Wild Growth
15% of 60 decks +4% synergy
Invigorating Hot Spring
13% of 60 decks +11% synergy
Careful Cultivation
12% of 60 decks +11% synergy
Kenrith's Transformation
12% of 60 decks +5% synergy
Utopia Sprawl
12% of 60 decks +4% synergy
Survival of the Fittest
10% of 60 decks +8% synergy
Hydra's Growth
10% of 60 decks +8% synergy
Aggravated Assault
10% of 60 decks +7% synergy
Rising of the Day
9% of 58 decks +3% synergy
Branching Evolution
8% of 60 decks +3% synergy
Growing Rites of Itlimoc
8% of 60 decks +3% synergy
Doubling Season
8% of 60 decks -1% synergy
Bigger on the Inside
8% of 38 decks +6% synergy
Wilderness Reclamation
7% of 60 decks +3% synergy
Unnatural Growth
7% of 60 decks +1% synergy
Underworld Breach
7% of 60 decks +1% synergy
Battles
Utility Lands
Boseiju, Who Endures
43% of 60 decks +24% synergy
Yavimaya, Cradle of Growth
37% of 60 decks +27% synergy
Castle Garenbrig
35% of 60 decks +30% synergy
Ancient Tomb
28% of 60 decks +18% synergy
Gaea's Cradle
23% of 60 decks +18% synergy
Kessig Wolf Run
22% of 60 decks +6% synergy
Urza's Saga
18% of 60 decks +11% synergy
Tyrite Sanctum
15% of 60 decks +13% synergy
Rogue's Passage
15% of 60 decks -5% synergy
Jungle Basin
13% of 60 decks +13% synergy
Guildless Commons
13% of 60 decks +12% synergy
Oran-Rief, the Vastwood
13% of 60 decks +8% synergy
Dormant Volcano
12% of 60 decks +11% synergy
Reliquary Tower
12% of 60 decks -18% synergy
Forge of Heroes
10% of 60 decks +9% synergy
Llanowar Reborn
10% of 60 decks +8% synergy
Nykthos, Shrine to Nyx
8% of 60 decks +3% synergy
City of Traitors
7% of 60 decks +6% synergy
Mana Artifacts
Sol Ring
83% of 60 decks -1% synergy
Arcane Signet
63% of 60 decks -9% synergy
Paradise Mantle
52% of 60 decks +51% synergy
Mana Crypt
20% of 60 decks +12% synergy
Basalt Monolith
18% of 60 decks +16% synergy
Chrome Mox
18% of 60 decks +12% synergy
Mox Amber
17% of 60 decks +12% synergy
Mana Vault
17% of 60 decks +10% synergy
Chromatic Lantern
17% of 60 decks +7% synergy
Talisman of Impulse
15% of 60 decks +6% synergy
Chromatic Orrery
13% of 60 decks +12% synergy
Mox Diamond
12% of 60 decks +7% synergy
Jeweled Lotus
12% of 60 decks +6% synergy
Lotus Petal
12% of 60 decks +5% synergy
Grim Monolith
10% of 60 decks +8% synergy
Relic of Legends
10% of 60 decks +8% synergy
Gruul Signet
10% of 60 decks -2% synergy
Fellwar Stone
10% of 60 decks -11% synergy
Mox Opal
7% of 60 decks +2% synergy
Lands
Command Tower
87% of 60 decks +13% synergy
Stomping Ground
77% of 60 decks +36% synergy
Wooded Foothills
60% of 60 decks +50% synergy
Temple Garden
55% of 20 decks +15% synergy
Jetmir's Garden
50% of 20 decks +17% synergy
The World Tree
50% of 18 decks +17% synergy
Breeding Pool
50% of 20 decks +9% synergy
Spara's Headquarters
47% of 19 decks +16% synergy
Spire Garden
47% of 60 decks +22% synergy
Taiga
43% of 60 decks +30% synergy
Hallowed Fountain
42% of 19 decks +1% synergy
Sacred Foundry
40% of 20 decks +4% synergy
Steam Vents
40% of 20 decks +1% synergy
Godless Shrine
39% of 18 decks -2% synergy
Gruul Turf
38% of 60 decks +22% synergy
Exotic Orchard
38% of 60 decks +3% synergy
Cragcrown Pathway
33% of 60 decks +25% synergy
Misty Rainforest
33% of 60 decks +22% synergy
Raffine's Tower
33% of 18 decks +6% synergy
Cinder Glade
33% of 60 decks -5% synergy
Watery Grave
33% of 18 decks -7% synergy
Overgrown Tomb
33% of 18 decks -9% synergy
Arid Mesa
32% of 60 decks +21% synergy
Raugrin Triome
32% of 19 decks +5% synergy
Windswept Heath
30% of 60 decks +19% synergy
Rockfall Vale
30% of 60 decks +8% synergy
Rootbound Crag
30% of 60 decks +6% synergy
Ketria Triome
30% of 20 decks -3% synergy
Scalding Tarn
28% of 60 decks +17% synergy
Verdant Catacombs
28% of 60 decks +17% synergy
Ziatora's Proving Ground
28% of 18 decks -4% synergy
Blood Crypt
28% of 18 decks -11% synergy
Bloodstained Mire
25% of 60 decks +15% synergy
Plateau
25% of 20 decks +13% synergy
Savannah
25% of 20 decks +12% synergy
Karplusan Forest
25% of 60 decks +8% synergy
Mana Confluence
23% of 60 decks +16% synergy
City of Brass
23% of 60 decks +15% synergy
Commercial District
23% of 30 decks +11% synergy
Path of Ancestry
23% of 60 decks +2% synergy
Scrubland
22% of 18 decks +9% synergy
Indatha Triome
22% of 18 decks -9% synergy
Tundra
21% of 19 decks +7% synergy
Horizon of Progress
20% of 15 decks +18% synergy
Volcanic Island
20% of 20 decks +6% synergy
Tropical Island
20% of 20 decks +6% synergy
Bountiful Promenade
20% of 20 decks -4% synergy
Frontier Bivouac
20% of 20 decks -7% synergy
Rejuvenating Springs
20% of 20 decks -9% synergy
Jungle Shrine
20% of 20 decks -12% synergy