Basalt Monolith + Karn, the Great Creator + Agatha of the Vile Cauldron

Basalt Monolith
Karn, the Great Creator
Agatha of the Vile Cauldron

Requires
Basalt Monolith must be on the battlefield. Karn, the Great Creator must be on the battlefield. Agatha of the Vile Cauldron must be on the battlefield. Basalt Monolith does not have summoning sickness. Agatha of the Vile Cauldron has power 1 or greater.
Steps
  1. Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Basalt Monolith to become a 3/3 artifact creature until end of turn.
  2. Activate Basalt Monolith's first ability by tapping it, adding .
  3. activate Basalt Monolith's second ability by paying at most 2, untapping it.
  4. Repeat from step 2.
Results
Infinite colorless mana.

Agatha of the Vile Cauldron
0.50% of 3825 decks 19 decks
Kenrith, the Returned King
0.02% of 21550 decks 5 decks
Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
0.73% of 273 decks 2 decks
Tazri, Stalwart Survivor
0.11% of 1783 decks 2 decks
Ramos, Dragon Engine
0.01% of 8606 decks 1 decks
Svella, Ice Shaper
0.04% of 2587 decks 1 decks
Kibo, Uktabi Prince
0.01% of 9866 decks 1 decks
Sisay, Weatherlight Captain
0.01% of 12157 decks 1 decks
Jodah, Archmage Eternal
0.01% of 8114 decks 1 decks
Jeska, Thrice Reborn // Thrasios, Triton Hero
0.23% of 427 decks 1 decks
Thrasios, Triton Hero // Toggo, Goblin Weaponsmith
0.14% of 720 decks 1 decks
Ulalek, Fused Atrocity
0.01% of 10275 decks 1 decks
Akiri, Line-Slinger // Thrasios, Triton Hero
0.20% of 508 decks 1 decks
Marath, Will of the Wild
0.04% of 2415 decks 1 decks
High Synergy Cards
Agatha's Soul Cauldron
68% of 37 decks +66% synergy
Kinnan, Bonder Prodigy
69% of 16 decks +65% synergy
Biomancer's Familiar
56% of 16 decks +54% synergy
Walking Ballista
50% of 38 decks +47% synergy
Staff of Domination
45% of 38 decks +43% synergy
Birds of Paradise
68% of 38 decks +42% synergy
Umbral Mantle
42% of 38 decks +41% synergy
Alloy Animist
37% of 38 decks +37% synergy
Temur Sabertooth
39% of 38 decks +36% synergy
Finale of Devastation
42% of 38 decks +34% synergy
Top Cards
Elvish Mystic
50% of 38 decks +32% synergy
Lotus Petal
47% of 38 decks +41% synergy
Worldly Tutor
47% of 38 decks +33% synergy
Deflecting Swat
45% of 38 decks +29% synergy
Dockside Extortionist
42% of 38 decks +29% synergy
Llanowar Elves
42% of 38 decks +21% synergy
Eternal Witness
42% of 38 decks +21% synergy
Heroic Intervention
42% of 38 decks +13% synergy
Chord of Calling
39% of 38 decks +34% synergy
Ragavan, Nimble Pilferer
39% of 38 decks +32% synergy
Creatures
Evolution Witness
38% of 8 decks +33% synergy
Imperial Recruiter
37% of 38 decks +31% synergy
Kami of Whispered Hopes
37% of 38 decks +29% synergy
Drannith Magistrate
33% of 15 decks +27% synergy
Faeburrow Elder
33% of 15 decks +22% synergy
Simian Spirit Guide
32% of 38 decks +26% synergy
Seedborn Muse
32% of 38 decks +23% synergy
Fyndhorn Elves
32% of 38 decks +18% synergy
Faerie Mastermind
31% of 16 decks +24% synergy
Soulbright Flamekin
29% of 38 decks +28% synergy
Magus of the Candelabra
29% of 38 decks +28% synergy
Elvish Spirit Guide
29% of 38 decks +26% synergy
Kenrith, the Returned King
27% of 11 decks +24% synergy
Bristly Bill, Spine Sower
27% of 11 decks +22% synergy
Zirda, the Dawnwaker
27% of 15 decks +24% synergy
Stoneforge Mystic
27% of 15 decks +24% synergy
Avacyn's Pilgrim
27% of 15 decks +12% synergy
Esper Sentinel
27% of 15 decks +6% synergy
Svella, Ice Shaper
26% of 38 decks +25% synergy
Phyrexian Metamorph
25% of 16 decks +18% synergy
Stonework Packbeast
24% of 38 decks +24% synergy
Bhaal's Invoker
24% of 38 decks +23% synergy
Guardian Augmenter
24% of 38 decks +22% synergy
Magus of the Moon
24% of 38 decks +22% synergy
Allosaurus Shepherd
24% of 38 decks +21% synergy
Goblin Engineer
24% of 38 decks +20% synergy
Incubation Druid
24% of 38 decks +19% synergy
Selvala, Heart of the Wilds
24% of 38 decks +19% synergy
Delighted Halfling
22% of 37 decks +7% synergy
Noble Hierarch
21% of 14 decks +5% synergy
Wildheart Invoker
21% of 38 decks +21% synergy
Duskwatch Recruiter
21% of 38 decks +20% synergy
Captivating Crew
21% of 38 decks +20% synergy
Manglehorn
21% of 38 decks +18% synergy
Goblin Anarchomancer
21% of 38 decks +7% synergy
Heliod, Sun-Crowned
20% of 15 decks +17% synergy
Shalai, Voice of Plenty
20% of 15 decks +13% synergy
Zacama, Primal Calamity
20% of 15 decks +11% synergy
Experiment Kraj
19% of 16 decks +18% synergy
Gretchen Titchwillow
19% of 16 decks +18% synergy
Spectral Sailor
19% of 16 decks +17% synergy
Thrasios, Triton Hero
19% of 16 decks +16% synergy
Urza, Lord High Artificer
19% of 16 decks +16% synergy
Anzrag, the Quake-Mole
19% of 16 decks +16% synergy
Displacer Kitten
19% of 16 decks +13% synergy
Silvanus's Invoker
18% of 38 decks +18% synergy
Pili-Pala
18% of 38 decks +18% synergy
Fury
18% of 38 decks +18% synergy
Sylvan Safekeeper
18% of 38 decks +15% synergy
Bloom Tender
18% of 38 decks +10% synergy
Instants
Swan Song
38% of 16 decks +21% synergy
Veil of Summer
37% of 38 decks +31% synergy
Crop Rotation
37% of 38 decks +27% synergy
Enlightened Tutor
33% of 15 decks +16% synergy
Swords to Plowshares
33% of 15 decks -29% synergy
Force of Vigor
32% of 38 decks +28% synergy
Nature's Claim
32% of 38 decks +22% synergy
Lightning Bolt
32% of 38 decks +21% synergy
Mystical Tutor
31% of 16 decks +16% synergy
Noxious Revival
29% of 38 decks +23% synergy
Vampiric Tutor
27% of 11 decks +9% synergy
Red Elemental Blast
26% of 38 decks +20% synergy
Chain of Vapor
25% of 16 decks +21% synergy
Fierce Guardianship
25% of 16 decks +7% synergy
Cyclonic Rift
25% of 16 decks -3% synergy
Abrade
24% of 38 decks +12% synergy
Tibalt's Trickery
21% of 38 decks +15% synergy
Pyroblast
21% of 38 decks +15% synergy
Generous Gift
20% of 15 decks -6% synergy
Path to Exile
20% of 15 decks -25% synergy
Muddle the Mixture
19% of 16 decks +14% synergy
Mental Misstep
19% of 16 decks +13% synergy
Pact of Negation
19% of 16 decks +11% synergy
Force of Will
19% of 16 decks +8% synergy
Arcane Denial
19% of 16 decks -1% synergy
An Offer You Can't Refuse
19% of 16 decks -2% synergy
Beast Within
18% of 38 decks -20% synergy
Snakeskin Veil
13% of 38 decks +9% synergy
Rending Volley
11% of 38 decks +10% synergy
Final Fortune
11% of 38 decks +9% synergy
Delayed Blast Fireball
11% of 38 decks +7% synergy
Gaea's Gift
11% of 38 decks +7% synergy
Chaos Warp
11% of 38 decks -22% synergy
Invigorate
8% of 38 decks +7% synergy
Autumn's Veil
8% of 38 decks +6% synergy
Silkguard
8% of 38 decks +6% synergy
Inspiring Call
8% of 38 decks +0% synergy
Krosan Grip
8% of 38 decks +0% synergy
Sorceries
Demonic Tutor
45% of 11 decks +23% synergy
Eldritch Evolution
37% of 38 decks +32% synergy
Gamble
37% of 38 decks +27% synergy
Jeska's Will
37% of 38 decks +19% synergy
Green Sun's Zenith
34% of 38 decks +28% synergy
Neoform
31% of 16 decks +26% synergy
Vandalblast
29% of 38 decks +13% synergy
Blasphemous Act
24% of 38 decks -10% synergy
Farewell
20% of 15 decks +7% synergy
Reckless Handling
16% of 37 decks +14% synergy
Shatterskull Smashing
16% of 38 decks +12% synergy
Bala Ged Recovery
16% of 38 decks +7% synergy
Rishkar's Expertise
13% of 38 decks +3% synergy
Kodama's Reach
13% of 38 decks -19% synergy
Nature's Lore
13% of 38 decks -19% synergy
Cultivate
13% of 38 decks -33% synergy
Turntimber Symbiosis
11% of 38 decks +8% synergy
Three Visits
11% of 38 decks -14% synergy
Tooth and Nail
8% of 38 decks +6% synergy
Soul's Majesty
8% of 38 decks +6% synergy
Twinflame
8% of 38 decks +5% synergy
Wheel of Misfortune
8% of 38 decks +4% synergy
Wheel of Fortune
8% of 38 decks +3% synergy
Utility Artifacts
The One Ring
37% of 38 decks +28% synergy
The Enigma Jewel
33% of 12 decks +32% synergy
Door to Nothingness
27% of 11 decks +23% synergy
Cloudstone Curio
21% of 38 decks +20% synergy
Ozolith, the Shattered Spire
21% of 38 decks +15% synergy
Thousand-Year Elixir
18% of 38 decks +16% synergy
The Great Henge
18% of 38 decks +9% synergy
Conqueror's Flail
16% of 38 decks +15% synergy
Mycosynth Lattice
16% of 38 decks +15% synergy
Swiftfoot Boots
16% of 38 decks -12% synergy
Diviner's Wand
13% of 38 decks +13% synergy
Sword of the Paruns
13% of 38 decks +13% synergy
Moonsilver Key
13% of 38 decks +12% synergy
Rings of Brighthearth
13% of 38 decks +11% synergy
Blackblade Reforged
13% of 38 decks +9% synergy
Planar Bridge
11% of 38 decks +10% synergy
Defense Grid
11% of 38 decks +10% synergy
Clock of Omens
11% of 38 decks +10% synergy
Lithoform Engine
11% of 38 decks +9% synergy
Unwinding Clock
11% of 38 decks +8% synergy
Mystic Forge
11% of 38 decks +8% synergy
Tower of Fortunes
8% of 38 decks +8% synergy
Planar Portal
8% of 38 decks +8% synergy
Heartstone
8% of 38 decks +7% synergy
Voltaic Key
8% of 38 decks +7% synergy
Krark-Clan Ironworks
8% of 38 decks +7% synergy
Illusionist's Bracers
8% of 38 decks +7% synergy
Manifold Key
8% of 38 decks +6% synergy
Forsaken Monument
8% of 38 decks +6% synergy
Birthing Pod
8% of 38 decks +5% synergy
Phyrexian Altar
8% of 38 decks +4% synergy
Sensei's Divining Top
8% of 38 decks +2% synergy
Conduit of Worlds
8% of 38 decks +1% synergy
Lightning Greaves
8% of 38 decks -18% synergy
Enchantments
Sylvan Library
39% of 38 decks +28% synergy
Freed from the Real
31% of 16 decks +29% synergy
Training Grounds
31% of 16 decks +28% synergy
Smothering Tithe
27% of 15 decks +2% synergy
Rhystic Study
25% of 16 decks -3% synergy
Blood Moon
21% of 38 decks +18% synergy
Carpet of Flowers
21% of 38 decks +17% synergy
Rhythm of the Wild
21% of 38 decks -2% synergy
Pemmin's Aura
19% of 16 decks +18% synergy
Mystic Remora
19% of 16 decks +1% synergy
Court of Garenbrig
17% of 24 decks +13% synergy
Survival of the Fittest
16% of 38 decks +14% synergy
Hardened Scales
16% of 38 decks +7% synergy
Rancor
13% of 38 decks +8% synergy
Bigger on the Inside
13% of 23 decks +11% synergy
Underworld Breach
11% of 38 decks +4% synergy
Careful Cultivation
8% of 38 decks +8% synergy
Master Chef
8% of 38 decks +6% synergy
Cindervines
8% of 38 decks +6% synergy
Unnatural Growth
8% of 38 decks +2% synergy
Utopia Sprawl
8% of 38 decks +0% synergy
Wild Growth
8% of 38 decks -3% synergy
Battles
Invasion of Ikoria
34% of 38 decks +29% synergy
Planeswalkers
Teferi, Time Raveler
21% of 14 decks +15% synergy
Minsc & Boo, Timeless Heroes
21% of 38 decks +19% synergy
Narset, Parter of Veils
19% of 16 decks +13% synergy
Oko, Thief of Crowns
19% of 16 decks +13% synergy
Utility Lands
Boseiju, Who Endures
53% of 38 decks +33% synergy
Otawara, Soaring City
50% of 16 decks +33% synergy
Ancient Tomb
45% of 38 decks +34% synergy
Gaea's Cradle
29% of 38 decks +23% synergy
Yavimaya, Cradle of Growth
26% of 38 decks +17% synergy
Academy Ruins
25% of 16 decks +20% synergy
Treasure Vault
24% of 38 decks +21% synergy
Emergence Zone
21% of 38 decks +19% synergy
Urza's Saga
21% of 38 decks +14% synergy
Eiganjo, Seat of the Empire
20% of 15 decks +11% synergy
Forge of Heroes
16% of 38 decks +15% synergy
Kessig Wolf Run
16% of 38 decks -0% synergy
Inventors' Fair
13% of 38 decks +9% synergy
Oran-Rief, the Vastwood
13% of 38 decks +8% synergy
Castle Garenbrig
13% of 38 decks +8% synergy
Llanowar Reborn
11% of 38 decks +9% synergy
Valakut, the Molten Pinnacle
8% of 38 decks +6% synergy
Nykthos, Shrine to Nyx
8% of 38 decks +2% synergy
Reliquary Tower
8% of 38 decks -22% synergy
Mana Artifacts
Sol Ring
89% of 38 decks +5% synergy
Arcane Signet
68% of 38 decks -4% synergy
Mana Crypt
42% of 38 decks +33% synergy
Chrome Mox
34% of 38 decks +28% synergy
Timeless Lotus
27% of 11 decks +13% synergy
Grim Monolith
24% of 38 decks +22% synergy
Mox Diamond
24% of 38 decks +19% synergy
Talisman of Impulse
24% of 38 decks +15% synergy
Cursed Mirror
21% of 38 decks +16% synergy
Chromatic Orrery
18% of 38 decks +17% synergy
Mana Vault
18% of 38 decks +12% synergy
Chromatic Lantern
18% of 38 decks +9% synergy
Mox Amber
16% of 38 decks +12% synergy
Fellwar Stone
16% of 38 decks -5% synergy
Paradise Mantle
13% of 38 decks +12% synergy
Mox Opal
13% of 38 decks +9% synergy
Gilded Lotus
11% of 38 decks +7% synergy
Lion's Eye Diamond
8% of 38 decks +6% synergy
Relic of Legends
8% of 38 decks +6% synergy
Jeweled Lotus
8% of 38 decks +2% synergy
Gruul Signet
8% of 38 decks -4% synergy
Commander's Sphere
8% of 38 decks -8% synergy
Lands
Command Tower
97% of 38 decks +23% synergy
Exotic Orchard
53% of 38 decks +17% synergy
Wooded Foothills
50% of 38 decks +40% synergy
Stomping Ground
50% of 38 decks +9% synergy
City of Brass
45% of 38 decks +37% synergy
Scalding Tarn
45% of 38 decks +34% synergy
Breeding Pool
44% of 16 decks +3% synergy
Sea of Clouds
43% of 14 decks +17% synergy
Windswept Heath
42% of 38 decks +32% synergy
Misty Rainforest
42% of 38 decks +30% synergy
Gemstone Caverns
39% of 38 decks +35% synergy
Mana Confluence
39% of 38 decks +32% synergy
Arid Mesa
39% of 38 decks +29% synergy
Spire Garden
39% of 38 decks +15% synergy
Steam Vents
38% of 16 decks -2% synergy
Verdant Catacombs
37% of 38 decks +25% synergy
Taiga
37% of 38 decks +24% synergy
Savannah
33% of 15 decks +20% synergy
Temple Garden
33% of 15 decks -7% synergy
Bloodstained Mire
32% of 38 decks +21% synergy
Karplusan Forest
32% of 38 decks +15% synergy
Volcanic Island
31% of 16 decks +17% synergy
Tropical Island
31% of 16 decks +17% synergy
Rejuvenating Springs
31% of 16 decks +3% synergy
Tundra
29% of 14 decks +15% synergy
Hallowed Fountain
29% of 14 decks -12% synergy
Bayou
27% of 11 decks +14% synergy
Savai Triome
27% of 11 decks +0% synergy
Raffine's Tower
27% of 11 decks -1% synergy
Zagoth Triome
27% of 11 decks -3% synergy
Indatha Triome
27% of 11 decks -4% synergy
Plateau
27% of 15 decks +14% synergy
Spectator Seating
27% of 15 decks +2% synergy
Sacred Foundry
27% of 15 decks -10% synergy
Cinder Glade
26% of 38 decks -12% synergy
Ketria Triome
25% of 16 decks -8% synergy
Raugrin Triome
21% of 14 decks -5% synergy
Prismatic Vista
21% of 38 decks +15% synergy
Gruul Turf
21% of 38 decks +5% synergy
Bountiful Promenade
20% of 15 decks -4% synergy
Jetmir's Garden
20% of 15 decks -13% synergy
Hinterland Harbor
19% of 16 decks -8% synergy
Training Center
19% of 16 decks -9% synergy
Polluted Delta
18% of 38 decks +7% synergy
Opal Palace
16% of 38 decks +13% synergy
Cragcrown Pathway
16% of 38 decks +7% synergy
Path of Ancestry
16% of 38 decks -5% synergy
Rootbound Crag
16% of 38 decks -8% synergy
Flooded Strand
13% of 38 decks +3% synergy
Marsh Flats
13% of 38 decks +2% synergy