Basalt Monolith + Karn, Silver Golem + Agatha of the Vile Cauldron

Basalt Monolith
Karn, Silver Golem
Agatha of the Vile Cauldron

Requires
Basalt Monolith must be on the battlefield. Karn, Silver Golem 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 Basalt Monolith's first ability by tapping it, adding .
  2. Activate Karn by paying 1, causing Basalt Monolith to become a 3/3 artifact creature until end of turn.
  3. Activate Basalt Monolith's second ability by paying at most 2, untapping it.
  4. Activate Basalt Monolith's first ability by tapping it, adding .
  5. Repeat from step 3.
Results
Infinite colorless mana.

Agatha of the Vile Cauldron
0.14% of 3467 decks 5 decks
Jodah, Archmage Eternal
0.01% of 8158 decks 1 decks
Top Cards
Staff of Domination
100% of 6 decks +98% synergy
Alloy Animist
67% of 6 decks +67% synergy
Magus of the Candelabra
67% of 6 decks +66% synergy
Planar Bridge
67% of 6 decks +66% synergy
Karn, the Great Creator
67% of 6 decks +65% synergy
Agatha's Soul Cauldron
67% of 6 decks +65% synergy
Heroic Intervention
67% of 6 decks +53% synergy
Creatures
Sydri, Galvanic Genius
100% of 1 decks +100% synergy
Yurlok of Scorch Thrash
100% of 1 decks +100% synergy
Karador, Ghost Chieftain
100% of 1 decks +100% synergy
Lavinia, Azorius Renegade
100% of 1 decks +99% synergy
Eidolon of Rhetoric
100% of 1 decks +99% synergy
Archon of Emeria
100% of 1 decks +99% synergy
Drannith Magistrate
100% of 1 decks +97% synergy
Elder of Laurels
50% of 6 decks +50% synergy
Frontier Guide
50% of 6 decks +50% synergy
Voltaic Construct
50% of 6 decks +50% synergy
Bighorner Rancher
50% of 2 decks +50% synergy
Captivating Crew
50% of 6 decks +49% synergy
Generous Plunderer
50% of 2 decks +48% synergy
Bristly Bill, Spine Sower
50% of 2 decks +47% synergy
Kami of Whispered Hopes
50% of 6 decks +46% synergy
Fanatic of Rhonas
50% of 2 decks +45% synergy
Beast Whisperer
50% of 6 decks +44% synergy
Toymaker
33% of 6 decks +33% synergy
Silvanus's Invoker
33% of 6 decks +33% synergy
Cogwork Assembler
33% of 6 decks +33% synergy
Wildheart Invoker
33% of 6 decks +33% synergy
Leafkin Avenger
33% of 6 decks +33% synergy
Innocuous Researcher
33% of 3 decks +33% synergy
Svella, Ice Shaper
33% of 6 decks +33% synergy
Myr Welder
33% of 6 decks +33% synergy
Shaman of Forgotten Ways
33% of 6 decks +33% synergy
Metalworker
33% of 6 decks +33% synergy
Tough Cookie
33% of 6 decks +33% synergy
Anzrag, the Quake-Mole
33% of 3 decks +33% synergy
Karn, Legacy Reforged
33% of 6 decks +32% synergy
Seedborn Muse
33% of 6 decks +29% synergy
Birds of Paradise
33% of 6 decks +21% synergy
Dan Lewis
25% of 4 decks +25% synergy
Lavafume Invoker
17% of 6 decks +17% synergy
Soul of Zendikar
17% of 6 decks +17% synergy
Crackdown Construct
17% of 6 decks +17% synergy
Domesticated Hydra
17% of 6 decks +17% synergy
Signpost Scarecrow
17% of 6 decks +17% synergy
Crossroads Candleguide
17% of 6 decks +17% synergy
Flamewave Invoker
17% of 6 decks +17% synergy
Valakut Invoker
17% of 6 decks +17% synergy
Workhorse
17% of 6 decks +17% synergy
Avatar of Growth
17% of 6 decks +17% synergy
Prismite
17% of 6 decks +17% synergy
Coretapper
17% of 6 decks +17% synergy
Bhaal's Invoker
17% of 6 decks +17% synergy
Viashino Heretic
17% of 6 decks +17% synergy
Tajuru Preserver
17% of 6 decks +17% synergy
Drillworks Mole
17% of 6 decks +17% synergy
Spawnsire of Ulamog
17% of 6 decks +16% synergy
Instants
Enlightened Tutor
100% of 1 decks +92% synergy
Archdruid's Charm
33% of 3 decks +29% synergy
Worldly Tutor
33% of 6 decks +27% synergy
Beast Within
33% of 6 decks +15% synergy
Tawnos's Tinkering
17% of 6 decks +17% synergy
Ruinous Intrusion
17% of 6 decks +16% synergy
Invigorating Surge
17% of 6 decks +16% synergy
Inscription of Abundance
17% of 6 decks +16% synergy
Silkguard
17% of 6 decks +16% synergy
Gaea's Gift
17% of 6 decks +15% synergy
Snakeskin Veil
17% of 6 decks +15% synergy
Noxious Revival
17% of 6 decks +14% synergy
Red Elemental Blast
17% of 6 decks +13% synergy
Inspiring Call
17% of 6 decks +13% synergy
Entish Restoration
17% of 6 decks +13% synergy
Thrill of Possibility
17% of 6 decks +11% synergy
Deflecting Swat
17% of 6 decks +9% synergy
Chaos Warp
17% of 6 decks +1% synergy
Sorceries
Demonic Tutor
100% of 1 decks +88% synergy
Harmonize
50% of 6 decks +46% synergy
Vandalblast
50% of 6 decks +42% synergy
Cultivate
50% of 6 decks +28% synergy
Sylvan Tutor
33% of 6 decks +33% synergy
Rishkar's Expertise
33% of 6 decks +28% synergy
Three Visits
33% of 6 decks +22% synergy
Nature's Lore
33% of 6 decks +18% synergy
Kodama's Reach
33% of 6 decks +18% synergy
Blasphemous Act
33% of 6 decks +17% synergy
Witch's Mark
25% of 4 decks +24% synergy
Saheeli's Directive
17% of 6 decks +16% synergy
Trash for Treasure
17% of 6 decks +16% synergy
Reckless Handling
17% of 6 decks +16% synergy
Chain Reaction
17% of 6 decks +14% synergy
Bala Ged Recovery
17% of 6 decks +12% synergy
Shamanic Revelation
17% of 6 decks +12% synergy
Gamble
17% of 6 decks +12% synergy
Faithless Looting
17% of 6 decks +8% synergy
Jeska's Will
17% of 6 decks +8% synergy
Farseek
17% of 6 decks +1% synergy
Rampant Growth
17% of 6 decks +0% synergy
Utility Artifacts
Mycosynth Lattice
50% of 6 decks +49% synergy
Clock of Omens
50% of 6 decks +49% synergy
Unwinding Clock
50% of 6 decks +47% synergy
Ozolith, the Shattered Spire
50% of 6 decks +47% synergy
Floodwater Dam
33% of 6 decks +33% synergy
Tower of Fortunes
33% of 6 decks +33% synergy
Planar Portal
33% of 6 decks +33% synergy
Diviner's Wand
33% of 6 decks +33% synergy
Magistrate's Scepter
33% of 6 decks +33% synergy
Sword of the Paruns
33% of 6 decks +33% synergy
Belt of Giant Strength
33% of 6 decks +33% synergy
Semblance Anvil
33% of 6 decks +33% synergy
Voltaic Key
33% of 6 decks +32% synergy
Umbral Mantle
33% of 6 decks +32% synergy
Darksteel Forge
33% of 6 decks +32% synergy
Moonsilver Key
33% of 6 decks +32% synergy
Manifold Key
33% of 6 decks +32% synergy
Rings of Brighthearth
33% of 6 decks +31% synergy
Thousand-Year Elixir
33% of 6 decks +31% synergy
Blackblade Reforged
33% of 6 decks +29% synergy
Swashbuckler's Whip
25% of 4 decks +25% synergy
Eye of Ojer Taq
25% of 4 decks +25% synergy
Tower of Champions
17% of 6 decks +17% synergy
Tower of Murmurs
17% of 6 decks +17% synergy
Aladdin's Ring
17% of 6 decks +17% synergy
Whetwheel
17% of 6 decks +17% synergy
Mishra's Helix
17% of 6 decks +17% synergy
Tower of Eons
17% of 6 decks +17% synergy
Tower of Calamities
17% of 6 decks +17% synergy
Aladdin's Lamp
17% of 6 decks +17% synergy
Temporal Aperture
17% of 6 decks +17% synergy
Eon Hub
17% of 6 decks +17% synergy
Thran Forge
17% of 6 decks +17% synergy
Kill Switch
17% of 6 decks +17% synergy
Power Matrix
17% of 6 decks +17% synergy
Snake Basket
17% of 6 decks +17% synergy
Avarice Totem
17% of 6 decks +17% synergy
Candelabra of Tawnos
17% of 6 decks +17% synergy
Citanul Flute
17% of 6 decks +17% synergy
That Which Was Taken
17% of 6 decks +17% synergy
Bag of Tricks
17% of 6 decks +17% synergy
Vivien's Arkbow
17% of 6 decks +17% synergy
Void Mirror
17% of 6 decks +17% synergy
Ashnod's Transmogrant
17% of 6 decks +17% synergy
Sword of the Chosen
17% of 6 decks +17% synergy
Manascape Refractor
17% of 6 decks +17% synergy
Omen Machine
17% of 6 decks +17% synergy
Grafted Wargear
17% of 6 decks +16% synergy
Myr Matrix
17% of 6 decks +16% synergy
Prototype Portal
17% of 6 decks +16% synergy
Enchantments
Shared Fate
100% of 1 decks +100% synergy
March of the Machines
100% of 1 decks +100% synergy
Arcane Laboratory
100% of 1 decks +100% synergy
Stasis
100% of 1 decks +100% synergy
Stony Silence
100% of 1 decks +100% synergy
Rule of Law
100% of 1 decks +99% synergy
Freed from the Real
100% of 1 decks +99% synergy
Court of Garenbrig
50% of 4 decks +48% synergy
Guardian Project
33% of 6 decks +29% synergy
Bigger on the Inside
25% of 4 decks +24% synergy
Awaken the Ancient
17% of 6 decks +17% synergy
Crackling Emergence
17% of 6 decks +17% synergy
Bludgeon Brawl
17% of 6 decks +17% synergy
Careful Cultivation
17% of 6 decks +16% synergy
Awakening
17% of 6 decks +16% synergy
Blighted Burgeoning
17% of 6 decks +16% synergy
Nature's Chosen
17% of 6 decks +16% synergy
Raised by Giants
17% of 6 decks +16% synergy
Helix Pinnacle
17% of 6 decks +16% synergy
Fervor
17% of 6 decks +16% synergy
Mana Reflection
17% of 6 decks +16% synergy
Concordant Crossroads
17% of 6 decks +15% synergy
Rancor
17% of 6 decks +14% synergy
Rising of the Day
17% of 6 decks +14% synergy
Hardened Scales
17% of 6 decks +13% synergy
Tribute to the World Tree
17% of 6 decks +12% synergy
Rhythm of the Wild
17% of 6 decks +12% synergy
Sylvan Library
17% of 6 decks +11% synergy
Planeswalkers
Tezzeret, Master of the Bridge
100% of 1 decks +99% synergy
Daretti, Scrap Savant
17% of 6 decks +15% synergy
Utility Lands
Forge of Heroes
33% of 6 decks +32% synergy
Llanowar Reborn
33% of 6 decks +32% synergy
Oran-Rief, the Vastwood
33% of 6 decks +31% synergy
Kessig Wolf Run
33% of 6 decks +30% synergy
Inventors' Fair
33% of 6 decks +29% synergy
Urza's Saga
33% of 6 decks +26% synergy
Yavimaya, Cradle of Growth
33% of 6 decks +24% synergy
Ancient Tomb
33% of 6 decks +23% synergy
Dormant Volcano
17% of 6 decks +17% synergy
Scorched Ruins
17% of 6 decks +16% synergy
Mishra's Workshop
17% of 6 decks +16% synergy
Okina, Temple to the Grandfathers
17% of 6 decks +16% synergy
Jungle Basin
17% of 6 decks +16% synergy
Deserted Temple
17% of 6 decks +16% synergy
Maze's End
17% of 6 decks +16% synergy
Baldur's Gate
17% of 6 decks +16% synergy
Urza's Workshop
17% of 6 decks +16% synergy
Urza's Power Plant
17% of 6 decks +15% synergy
Urza's Tower
17% of 6 decks +15% synergy
Urza's Mine
17% of 6 decks +15% synergy
Tyrite Sanctum
17% of 6 decks +15% synergy
Castle Garenbrig
17% of 6 decks +14% synergy
Treasure Vault
17% of 6 decks +14% synergy
Thespian's Stage
17% of 6 decks +14% synergy
Mana Artifacts
Sol Ring
100% of 6 decks +16% synergy
Arcane Signet
67% of 6 decks -5% synergy
Chromatic Orrery
50% of 6 decks +48% synergy
Grim Monolith
50% of 6 decks +48% synergy
Empowered Autogenerator
33% of 6 decks +33% synergy
The Mana Rig
17% of 6 decks +17% synergy
Gemstone Array
17% of 6 decks +17% synergy
Thran Turbine
17% of 6 decks +17% synergy
Wizard's Rockets
17% of 6 decks +16% synergy
The Mightstone and Weakstone
17% of 6 decks +16% synergy
Nyx Lotus
17% of 6 decks +15% synergy
Talisman of Impulse
17% of 6 decks +15% synergy
Cursed Mirror
17% of 6 decks +14% synergy
Gruul Signet
17% of 6 decks +14% synergy
Liquimetal Torque
17% of 6 decks +13% synergy
Thran Dynamo
17% of 6 decks +12% synergy
Mana Vault
17% of 6 decks +10% synergy
Chromatic Lantern
17% of 6 decks +7% synergy
Mana Crypt
17% of 6 decks +6% synergy
Lands
Citadel Gate
100% of 1 decks +99% synergy
Sea Gate
100% of 1 decks +99% synergy
Black Dragon Gate
100% of 1 decks +99% synergy
Simic Guildgate
100% of 1 decks +99% synergy
Raugrin Triome
100% of 1 decks +97% synergy
Savai Triome
100% of 1 decks +97% synergy
Indatha Triome
100% of 1 decks +97% synergy
Zagoth Triome
100% of 1 decks +97% synergy
Ketria Triome
100% of 1 decks +96% synergy
Talon Gates of Madara
100% of 1 decks +95% synergy
Command Tower
83% of 6 decks +10% synergy
Commercial District
75% of 4 decks +72% synergy
Stomping Ground
67% of 6 decks +58% synergy
Planar Nexus
50% of 2 decks +48% synergy
Rockfall Vale
50% of 6 decks +45% synergy
Urza's Cave
50% of 2 decks +45% synergy
Spire Garden
50% of 6 decks +45% synergy
Cinder Glade
50% of 6 decks +42% synergy
Rootbound Crag
33% of 6 decks +28% synergy
Gateway Plaza
17% of 6 decks +16% synergy
Cliffgate
17% of 6 decks +16% synergy
Highland Forest
17% of 6 decks +16% synergy
Manor Gate
17% of 6 decks +16% synergy
Wooded Ridgeline
17% of 6 decks +15% synergy
Sheltered Thicket
17% of 6 decks +15% synergy
Cragcrown Pathway
17% of 6 decks +15% synergy
Mossfire Valley
17% of 6 decks +14% synergy
Opal Palace
17% of 6 decks +14% synergy
Game Trail
17% of 6 decks +13% synergy
Gruul Turf
17% of 6 decks +13% synergy
Karplusan Forest
17% of 6 decks +13% synergy
Gemstone Caverns
17% of 6 decks +12% synergy
Cavern of Souls
17% of 6 decks +10% synergy
Fabled Passage
17% of 6 decks +7% synergy
Exotic Orchard
17% of 6 decks -19% synergy