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. Permanent allowing Creatures to Tap for Mana.

Tazri, Stalwart Survivor
0.89% of 1679 decks 15 decks
Agatha of the Vile Cauldron
0.80% of 3603 decks 29 decks
High Synergy Cards
Zirda, the Dawnwaker
100% of 16 decks +99% synergy
Kenrith, the Returned King
93% of 15 decks +93% synergy
Kinnan, Bonder Prodigy
94% of 16 decks +93% synergy
Training Grounds
94% of 16 decks +92% synergy
Biomancer's Familiar
88% of 16 decks +87% synergy
Faeburrow Elder
88% of 16 decks +85% synergy
Dynaheir, Invoker Adept
80% of 15 decks +80% synergy
Tyvar, Jubilant Brawler
80% of 15 decks +79% synergy
Gretchen Titchwillow
75% of 16 decks +75% synergy
Knacksaw Clique
69% of 16 decks +69% synergy
Top Cards
Thrasios, Triton Hero
69% of 16 decks +68% synergy
Magus of the Candelabra
66% of 47 decks +66% synergy
Agatha's Soul Cauldron
65% of 43 decks +63% synergy
Samut, Voice of Dissent
62% of 16 decks +62% synergy
Kiora's Follower
62% of 16 decks +61% synergy
Shalai, Voice of Plenty
62% of 16 decks +61% synergy
Pili-Pala
62% of 47 decks +61% synergy
Chulane, Teller of Tales
60% of 15 decks +59% synergy
Svella, Ice Shaper
60% of 47 decks +59% synergy
Patrol Signaler
56% of 16 decks +56% synergy
Creatures
Ioreth of the Healing House
56% of 16 decks +56% synergy
Puresight Merrow
53% of 15 decks +53% synergy
Birds of Paradise
51% of 47 decks +39% synergy
Triskaidekaphile
50% of 16 decks +49% synergy
Soulbright Flamekin
47% of 47 decks +47% synergy
Bhaal's Invoker
45% of 47 decks +45% synergy
Walking Ballista
45% of 47 decks +42% synergy
Zacama, Primal Calamity
44% of 16 decks +43% synergy
Inga and Esika
44% of 16 decks +43% synergy
Faerie Mastermind
44% of 16 decks +40% synergy
Hateflayer
43% of 47 decks +42% synergy
Temur Sabertooth
43% of 47 decks +41% synergy
Incubation Druid
43% of 47 decks +40% synergy
Likeness Looter
40% of 10 decks +39% synergy
Noble Hierarch
40% of 15 decks +38% synergy
Bristly Bill, Spine Sower
40% of 10 decks +38% synergy
Order of Whiteclay
38% of 16 decks +37% synergy
Zimone, Quandrix Prodigy
38% of 16 decks +37% synergy
Omen Hawker
38% of 16 decks +37% synergy
Evolution Witness
38% of 8 decks +35% synergy
Silvanus's Invoker
36% of 47 decks +36% synergy
Captivating Crew
36% of 47 decks +35% synergy
Selvala, Heart of the Wilds
36% of 47 decks +34% synergy
Kami of Whispered Hopes
36% of 47 decks +33% synergy
Dockside Extortionist
36% of 47 decks +29% synergy
Goblin Anarchomancer
34% of 47 decks +31% synergy
Bloom Tender
34% of 47 decks +30% synergy
Adric, Mathematical Genius
33% of 9 decks +33% synergy
Havengul Lich
33% of 15 decks +33% synergy
Jegantha, the Wellspring
33% of 15 decks +33% synergy
Sisay, Weatherlight Captain
33% of 15 decks +33% synergy
Ignoble Hierarch
33% of 15 decks +31% synergy
Drillworks Mole
32% of 47 decks +32% synergy
Forgotten Ancient
32% of 47 decks +29% synergy
Seedborn Muse
32% of 47 decks +28% synergy
Faerie Formation
31% of 16 decks +31% synergy
Selvala, Explorer Returned
31% of 16 decks +31% synergy
Drumbellower
31% of 16 decks +30% synergy
Selfless Spirit
31% of 16 decks +29% synergy
Delighted Halfling
31% of 45 decks +24% synergy
Shaman of Forgotten Ways
30% of 47 decks +29% synergy
Halana and Alena, Partners
30% of 47 decks +29% synergy
Llanowar Elves
30% of 47 decks +20% synergy
Elvish Mystic
28% of 47 decks +19% synergy
Rona, Herald of Invasion
27% of 15 decks +26% synergy
Deathrite Shaman
27% of 15 decks +24% synergy
Wildheart Invoker
26% of 47 decks +25% synergy
Leafkin Avenger
26% of 47 decks +25% synergy
Guardian Augmenter
26% of 47 decks +25% synergy
Biophagus
26% of 47 decks +25% synergy
Instants
Swords to Plowshares
56% of 16 decks +28% synergy
Beast Within
53% of 47 decks +35% synergy
Worldly Tutor
47% of 47 decks +40% synergy
Heroic Intervention
47% of 47 decks +33% synergy
Deflecting Swat
45% of 47 decks +37% synergy
Dramatic Reversal
44% of 16 decks +41% synergy
Path to Exile
44% of 16 decks +23% synergy
Nature's Claim
34% of 47 decks +29% synergy
Archdruid's Charm
33% of 18 decks +30% synergy
Cyclonic Rift
31% of 16 decks +17% synergy
Chaos Warp
30% of 47 decks +14% synergy
Tibalt's Trickery
28% of 47 decks +25% synergy
Assassin's Trophy
27% of 15 decks +20% synergy
Snakeskin Veil
26% of 47 decks +24% synergy
Eladamri's Call
25% of 16 decks +22% synergy
Fierce Guardianship
25% of 16 decks +16% synergy
Anguished Unmaking
20% of 15 decks +14% synergy
Force of Will
19% of 16 decks +13% synergy
Swan Song
19% of 16 decks +11% synergy
Enlightened Tutor
19% of 16 decks +11% synergy
An Offer You Can't Refuse
19% of 16 decks +9% synergy
Chord of Calling
15% of 47 decks +12% synergy
Lightning Bolt
15% of 47 decks +10% synergy
Legolas's Quick Reflexes
15% of 27 decks +13% synergy
Invigorate
13% of 47 decks +12% synergy
Pyroblast
13% of 47 decks +10% synergy
Crop Rotation
13% of 47 decks +8% synergy
Gaea's Gift
11% of 47 decks +9% synergy
Tamiyo's Safekeeping
11% of 47 decks +7% synergy
Red Elemental Blast
11% of 47 decks +7% synergy
Abrade
11% of 47 decks +5% synergy
Noxious Revival
9% of 47 decks +6% synergy
Veil of Summer
9% of 47 decks +6% synergy
Shared Summons
6% of 47 decks +6% synergy
Force of Vigor
6% of 47 decks +5% synergy
Return to Nature
6% of 47 decks +3% synergy
Inspiring Call
6% of 47 decks +3% synergy
Sorceries
Nature's Lore
38% of 47 decks +23% synergy
Jeska's Will
34% of 47 decks +25% synergy
Demonic Tutor
33% of 15 decks +22% synergy
Three Visits
32% of 47 decks +20% synergy
Witch's Mark
27% of 30 decks +26% synergy
Cultivate
26% of 47 decks +4% synergy
Farseek
21% of 47 decks +5% synergy
Blasphemous Act
21% of 47 decks +5% synergy
Eerie Ultimatum
20% of 15 decks +19% synergy
Damn
20% of 15 decks +16% synergy
Finale of Devastation
19% of 47 decks +15% synergy
Bala Ged Recovery
19% of 47 decks +15% synergy
Eldritch Evolution
17% of 47 decks +15% synergy
Vandalblast
17% of 47 decks +9% synergy
Kodama's Reach
17% of 47 decks +2% synergy
Green Sun's Zenith
15% of 47 decks +12% synergy
Rishkar's Expertise
15% of 47 decks +10% synergy
Rampant Growth
15% of 47 decks -1% synergy
Gamble
13% of 47 decks +8% synergy
Faithless Looting
11% of 47 decks +2% synergy
Reckless Handling
9% of 45 decks +8% synergy
Decimate
9% of 47 decks +7% synergy
Wheel of Fortune
9% of 47 decks +6% synergy
Scale Up
6% of 47 decks +6% synergy
Twinflame
6% of 47 decks +5% synergy
Shamanic Revelation
6% of 47 decks +2% synergy
Utility Artifacts
Staff of Domination
49% of 47 decks +47% synergy
The Enigma Jewel
44% of 9 decks +44% synergy
The Great Henge
36% of 47 decks +32% synergy
Thousand-Year Elixir
34% of 47 decks +32% synergy
Ozolith, the Shattered Spire
34% of 47 decks +31% synergy
Lightning Greaves
34% of 47 decks +9% synergy
Halo Fountain
25% of 16 decks +24% synergy
The One Ring
21% of 47 decks +12% synergy
Illusionist's Bracers
19% of 47 decks +18% synergy
Diviner's Wand
17% of 47 decks +17% synergy
The Ozolith
17% of 47 decks +14% synergy
Swashbuckler's Whip
15% of 20 decks +15% synergy
Heartstone
15% of 47 decks +14% synergy
Rings of Brighthearth
15% of 47 decks +13% synergy
Swiftfoot Boots
15% of 47 decks -13% synergy
Blackblade Reforged
13% of 47 decks +9% synergy
Magewright's Stone
11% of 47 decks +10% synergy
Lithoform Engine
11% of 47 decks +9% synergy
Phyrexian Altar
11% of 47 decks +6% synergy
Sword of the Paruns
9% of 47 decks +8% synergy
Battlemage's Bracers
9% of 47 decks +8% synergy
Commander's Plate
9% of 47 decks +6% synergy
Dueling Rapier
6% of 47 decks +6% synergy
Hero's Blade
6% of 47 decks +6% synergy
Enchantments
Leyline of the Guildpact
60% of 5 decks +58% synergy
Freed from the Real
50% of 16 decks +49% synergy
Rhythm of the Wild
40% of 47 decks +35% synergy
Intruder Alarm
38% of 16 decks +37% synergy
Rhystic Study
38% of 16 decks +24% synergy
Guardian Project
36% of 47 decks +32% synergy
Pemmin's Aura
31% of 16 decks +31% synergy
Tribute to the World Tree
30% of 47 decks +26% synergy
Earthcraft
28% of 47 decks +27% synergy
Sylvan Library
26% of 47 decks +20% synergy
Elven Chorus
22% of 45 decks +20% synergy
Raised by Giants
21% of 47 decks +21% synergy
Quest for Renewal
21% of 47 decks +21% synergy
Leyline of Abundance
21% of 47 decks +21% synergy
Hardened Scales
21% of 47 decks +17% synergy
Court of Garenbrig
21% of 33 decks +19% synergy
Wild Growth
19% of 47 decks +14% synergy
Invigorating Hot Spring
15% of 47 decks +14% synergy
Utopia Sprawl
15% of 47 decks +11% synergy
Rancor
13% of 47 decks +10% synergy
Kenrith's Transformation
13% of 47 decks +10% synergy
Bigger on the Inside
12% of 26 decks +11% synergy
Rising of the Day
11% of 45 decks +8% synergy
Careful Cultivation
11% of 47 decks +10% synergy
Aggravated Assault
11% of 47 decks +9% synergy
Unnatural Growth
9% of 47 decks +6% synergy
Growing Rites of Itlimoc
9% of 47 decks +6% synergy
Doubling Season
9% of 47 decks +4% synergy
Fight Rigging
6% of 47 decks +6% synergy
Survival of the Fittest
6% of 47 decks +6% synergy
Mana Reflection
6% of 47 decks +6% synergy
Hydra's Growth
6% of 47 decks +5% synergy
Branching Evolution
6% of 47 decks +4% synergy
Underworld Breach
6% of 47 decks +3% synergy
Battles
Invasion of Ikoria
24% of 45 decks +22% synergy
Planeswalkers
Minsc & Boo, Timeless Heroes
6% of 47 decks +6% synergy
Utility Lands
Boseiju, Who Endures
45% of 47 decks +36% synergy
Yavimaya, Cradle of Growth
38% of 47 decks +29% synergy
Castle Garenbrig
36% of 47 decks +34% synergy
Kessig Wolf Run
26% of 47 decks +22% synergy
Ancient Tomb
23% of 47 decks +13% synergy
Urza's Saga
21% of 47 decks +14% synergy
Gaea's Cradle
19% of 47 decks +16% synergy
Tyrite Sanctum
17% of 47 decks +15% synergy
Rogue's Passage
17% of 47 decks -2% synergy
Dormant Volcano
13% of 47 decks +13% synergy
Jungle Basin
13% of 47 decks +12% synergy
Forge of Heroes
11% of 47 decks +10% synergy
Llanowar Reborn
11% of 47 decks +10% synergy
Guildless Commons
11% of 47 decks +9% synergy
Oran-Rief, the Vastwood
11% of 47 decks +8% synergy
Reliquary Tower
11% of 47 decks -19% synergy
City of Traitors
9% of 47 decks +8% synergy
Nykthos, Shrine to Nyx
9% of 47 decks +3% synergy
Cascading Cataracts
6% of 47 decks +5% synergy
Bonders' Enclave
6% of 47 decks +4% synergy
Mana Artifacts
Sol Ring
81% of 47 decks -4% synergy
Arcane Signet
60% of 47 decks -12% synergy
Paradise Mantle
47% of 47 decks +46% synergy
Mana Crypt
26% of 47 decks +15% synergy
Chromatic Lantern
17% of 47 decks +7% synergy
Talisman of Impulse
15% of 47 decks +13% synergy
Basalt Monolith
15% of 47 decks +12% synergy
Chrome Mox
15% of 47 decks +8% synergy
Jeweled Lotus
15% of 47 decks +8% synergy
Chromatic Orrery
13% of 47 decks +11% synergy
Relic of Legends
13% of 47 decks +10% synergy
Mana Vault
13% of 47 decks +6% synergy
Gruul Signet
11% of 47 decks +8% synergy
Mox Amber
11% of 47 decks +7% synergy
Mox Diamond
11% of 47 decks +6% synergy
Fellwar Stone
11% of 47 decks -10% synergy
Grim Monolith
9% of 47 decks +7% synergy
Lotus Petal
6% of 47 decks -0% synergy
Lands
Command Tower
89% of 47 decks +16% synergy
Horizon of Progress
75% of 4 decks +72% synergy
Stomping Ground
74% of 47 decks +65% synergy
Wooded Foothills
62% of 47 decks +52% synergy
Jetmir's Garden
50% of 16 decks +46% synergy
Temple Garden
50% of 16 decks +41% synergy
Breeding Pool
50% of 16 decks +41% synergy
Spire Garden
47% of 47 decks +42% synergy
The World Tree
47% of 15 decks +44% synergy
Spara's Headquarters
47% of 15 decks +43% synergy
Taiga
45% of 47 decks +42% synergy
Hallowed Fountain
40% of 15 decks +31% synergy
Godless Shrine
40% of 15 decks +31% synergy
Misty Rainforest
38% of 47 decks +26% synergy
Steam Vents
38% of 16 decks +28% synergy
Gruul Turf
36% of 47 decks +33% synergy
Exotic Orchard
36% of 47 decks +1% synergy
Cragcrown Pathway
34% of 47 decks +32% synergy
Ziatora's Proving Ground
33% of 15 decks +30% synergy
Raffine's Tower
33% of 15 decks +30% synergy
Overgrown Tomb
33% of 15 decks +24% synergy
Watery Grave
33% of 15 decks +23% synergy
Cinder Glade
32% of 47 decks +24% synergy
Windswept Heath
32% of 47 decks +22% synergy
Arid Mesa
32% of 47 decks +21% synergy
Scalding Tarn
32% of 47 decks +21% synergy
Verdant Catacombs
32% of 47 decks +20% synergy
Plateau
31% of 16 decks +28% synergy
Savannah
31% of 16 decks +28% synergy
Sacred Foundry
31% of 16 decks +23% synergy
Rootbound Crag
28% of 47 decks +23% synergy
Bloodstained Mire
28% of 47 decks +17% synergy
Raugrin Triome
27% of 15 decks +24% synergy
Tundra
27% of 15 decks +24% synergy
Scrubland
27% of 15 decks +24% synergy
Blood Crypt
27% of 15 decks +18% synergy
Karplusan Forest
26% of 47 decks +22% synergy
Rockfall Vale
26% of 47 decks +21% synergy
Mana Confluence
26% of 47 decks +18% synergy
City of Brass
26% of 47 decks +17% synergy
Tropical Island
25% of 16 decks +22% synergy
Volcanic Island
25% of 16 decks +22% synergy
Ketria Triome
25% of 16 decks +21% synergy
Path of Ancestry
23% of 47 decks +2% synergy
Grove of the Burnwillows
21% of 47 decks +21% synergy
Opal Palace
21% of 47 decks +18% synergy
Bayou
20% of 15 decks +17% synergy
Opulent Palace
20% of 15 decks +17% synergy
Savai Triome
20% of 15 decks +17% synergy
Indatha Triome
20% of 15 decks +17% synergy