Idris, Soul of the TARDIS + Basalt Monolith + Agatha of the Vile Cauldron

Idris, Soul of the TARDIS
Basalt Monolith
Agatha of the Vile Cauldron

Requires
Idris, Soul of the TARDIS must be on the battlefield. Basalt Monolith must be in exile (exiled by Idris). Agatha of the Vile Cauldron must be on the battlefield. Idris does not have summoning sickness. Agatha of the Vile Cauldron has power 1 or greater.
Steps
  1. Activate Idris using Basalt Monolith's first ability by tapping it, adding .
  2. Activate Idris using Basalt Monolith's second ability by paying at most 2, untapping it.
  3. Repeat.
Results
Infinite colorless mana.

The Tenth Doctor // Clara Oswald
0.45% of 443 decks 2 decks
Kenrith, the Returned King
0.00% of 21550 decks 1 decks
Creatures
Wren's Run Packmaster
100% of 1 decks +100% synergy
Krosan Restorer
100% of 1 decks +100% synergy
Jade Mage
100% of 1 decks +100% synergy
Oketra the True
100% of 1 decks +100% synergy
Thundering Spineback
100% of 1 decks +100% synergy
Mitotic Slime
100% of 1 decks +99% synergy
Composite Golem
100% of 1 decks +99% synergy
Ant Queen
100% of 1 decks +99% synergy
Deep Forest Hermit
100% of 1 decks +99% synergy
Prize Pig
100% of 1 decks +99% synergy
Prava of the Steel Legion
100% of 1 decks +98% synergy
The Sixth Doctor
100% of 1 decks +98% synergy
Sage of the Maze
100% of 1 decks +98% synergy
Haytham Kenway
100% of 1 decks +98% synergy
The Thirteenth Doctor
100% of 1 decks +98% synergy
Biomancer's Familiar
100% of 1 decks +97% synergy
Zirda, the Dawnwaker
100% of 1 decks +97% synergy
Hornet Queen
100% of 1 decks +97% synergy
Sokrates, Athenian Teacher
100% of 1 decks +97% synergy
Emiel the Blessed
100% of 1 decks +96% synergy
Nadu, Winged Wisdom
100% of 1 decks +96% synergy
Alexios, Deimos of Kosmos
100% of 1 decks +95% synergy
Evolution Witness
100% of 1 decks +95% synergy
Seedborn Muse
100% of 1 decks +92% synergy
Grand Abolisher
100% of 1 decks +91% synergy
Avenger of Zendikar
100% of 1 decks +90% synergy
Reclamation Sage
100% of 1 decks +89% synergy
Deathrite Shaman
100% of 1 decks +88% synergy
Goblin Anarchomancer
100% of 1 decks +86% synergy
Noble Hierarch
100% of 1 decks +84% synergy
Elvish Mystic
100% of 1 decks +82% synergy
Eternal Witness
100% of 1 decks +79% synergy
Ignoble Hierarch
100% of 1 decks +74% synergy
Birds of Paradise
100% of 1 decks +73% synergy
River Song
67% of 3 decks +66% synergy
Timestream Navigator
67% of 3 decks +66% synergy
Flaming Tyrannosaurus
67% of 3 decks +65% synergy
Spawnsire of Ulamog
33% of 3 decks +33% synergy
Sibylline Soothsayer
33% of 3 decks +33% synergy
Time Beetle
33% of 3 decks +33% synergy
Star Whale
33% of 3 decks +32% synergy
Jhoira of the Ghitu
33% of 3 decks +32% synergy
Sphinx of the Second Sun
33% of 3 decks +32% synergy
Myr Battlesphere
33% of 3 decks +31% synergy
Auton Soldier
33% of 3 decks +31% synergy
Flesh Duplicate
33% of 3 decks +31% synergy
Nezahal, Primal Tide
33% of 3 decks +30% synergy
Displacer Kitten
33% of 3 decks +28% synergy
Spark Double
33% of 3 decks +26% synergy
Hullbreaker Horror
33% of 3 decks +26% synergy
Instants
Noxious Revival
100% of 1 decks +94% synergy
Mental Misstep
100% of 3 decks +94% synergy
Strix Serenade
100% of 1 decks +93% synergy
Krosan Grip
100% of 1 decks +92% synergy
Abrupt Decay
100% of 1 decks +89% synergy
An Offer You Can't Refuse
100% of 3 decks +80% synergy
Heroic Intervention
100% of 1 decks +70% synergy
Beast Within
100% of 1 decks +61% synergy
Path to Exile
100% of 1 decks +55% synergy
Swords to Plowshares
100% of 1 decks +37% synergy
Delay
67% of 3 decks +64% synergy
Mystical Tutor
67% of 3 decks +52% synergy
Swan Song
67% of 3 decks +50% synergy
Arcane Denial
67% of 3 decks +47% synergy
Brainstorm
67% of 3 decks +45% synergy
Mystical Dispute
33% of 3 decks +33% synergy
Surge of Brilliance
33% of 3 decks +33% synergy
Clockspinning
33% of 3 decks +32% synergy
Cyber Conversion
33% of 3 decks +32% synergy
Muddle the Mixture
33% of 3 decks +28% synergy
Abrade
33% of 3 decks +22% synergy
Negate
33% of 3 decks +11% synergy
Counterspell
33% of 3 decks -10% synergy
Sorceries
Venture Forth
100% of 1 decks +99% synergy
Seasons Past
100% of 1 decks +99% synergy
Tempt with Discovery
100% of 1 decks +96% synergy
Eldritch Evolution
100% of 1 decks +95% synergy
Neoform
100% of 1 decks +95% synergy
Sevinne's Reclamation
100% of 1 decks +93% synergy
Farewell
100% of 1 decks +87% synergy
Three Visits
100% of 1 decks +75% synergy
Kodama's Reach
100% of 1 decks +68% synergy
Farseek
100% of 1 decks +66% synergy
Rampant Growth
100% of 1 decks +65% synergy
Cultivate
100% of 1 decks +54% synergy
Arc Blade
67% of 3 decks +67% synergy
Reality Strobe
67% of 3 decks +66% synergy
Impending Flux
67% of 3 decks +66% synergy
Traverse Eternity
67% of 3 decks +66% synergy
Inspiring Refrain
67% of 3 decks +66% synergy
Rousing Refrain
67% of 3 decks +65% synergy
Personal Tutor
67% of 3 decks +65% synergy
Inevitable Betrayal
67% of 3 decks +65% synergy
Lórien Revealed
67% of 3 decks +63% synergy
Fabricate
67% of 3 decks +61% synergy
Preordain
67% of 3 decks +56% synergy
Ponder
67% of 3 decks +54% synergy
Windfall
67% of 3 decks +54% synergy
Blasphemous Act
67% of 3 decks +33% synergy
Twice Upon a Time
33% of 3 decks +33% synergy
Wibbly-wobbly, Timey-wimey
33% of 3 decks +33% synergy
Quantum Misalignment
33% of 3 decks +31% synergy
Wheel of Misfortune
33% of 3 decks +29% synergy
Utility Artifacts
Wishclaw Talisman
100% of 1 decks +95% synergy
Staff of Domination
67% of 3 decks +65% synergy
Lightning Greaves
67% of 3 decks +41% synergy
Heartstone
33% of 3 decks +33% synergy
Tempting Contract
33% of 3 decks +33% synergy
Howling Mine
33% of 3 decks +31% synergy
Phyrexian Altar
33% of 3 decks +29% synergy
Enchantments
Bigger on the Inside
100% of 1 decks +98% synergy
Training Grounds
100% of 3 decks +97% synergy
Chthonian Nightmare
100% of 1 decks +97% synergy
Carpet of Flowers
100% of 1 decks +96% synergy
Wilderness Reclamation
100% of 1 decks +96% synergy
Utopia Sprawl
100% of 1 decks +92% synergy
Ghostly Prison
100% of 1 decks +88% synergy
Return the Past
33% of 3 decks +33% synergy
The Parting of the Ways
33% of 3 decks +33% synergy
As Foretold
33% of 3 decks +31% synergy
One with the Multiverse
33% of 3 decks +31% synergy
Omniscience
33% of 3 decks +31% synergy
Teferi's Ageless Insight
33% of 3 decks +28% synergy
Propaganda
33% of 3 decks +22% synergy
Mystic Remora
33% of 3 decks +15% synergy
Planeswalkers
Teferi, Time Raveler
100% of 1 decks +93% synergy
Utility Lands
Shifting Woodland
100% of 1 decks +90% synergy
Reliquary Tower
100% of 3 decks +71% synergy
Bojuka Bog
100% of 1 decks +70% synergy
Trenzalore Clocktower
67% of 3 decks +65% synergy
Geier Reach Sanitarium
67% of 3 decks +63% synergy
Thran Portal
33% of 3 decks +33% synergy
Cascading Cataracts
33% of 3 decks +32% synergy
Maze of Ith
33% of 3 decks +31% synergy
Yavimaya, Cradle of Growth
33% of 3 decks +24% synergy
Temple of the False God
33% of 3 decks +24% synergy
Mana Artifacts
Talisman of Impulse
100% of 1 decks +91% synergy
Sol Ring
100% of 3 decks +16% synergy
Energy Refractor
67% of 3 decks +66% synergy
Thought Vessel
67% of 3 decks +50% synergy
Arcane Signet
67% of 3 decks -5% synergy
Lotus Bloom
33% of 3 decks +33% synergy
Sol Talisman
33% of 3 decks +32% synergy
Chromatic Lantern
33% of 3 decks +24% synergy
Fellwar Stone
33% of 3 decks +12% synergy
Lands
Manor Gate
100% of 1 decks +98% synergy
Mystic Gate
100% of 1 decks +94% synergy
Waterlogged Grove
100% of 1 decks +93% synergy
Twilight Mire
100% of 1 decks +90% synergy
Flooded Grove
100% of 1 decks +88% synergy
Dreamroot Cascade
100% of 1 decks +81% synergy
Simic Growth Chamber
100% of 1 decks +80% synergy
Rockfall Vale
100% of 1 decks +78% synergy
Rootbound Crag
100% of 1 decks +77% synergy
Yavimaya Coast
100% of 1 decks +74% synergy
Hinterland Harbor
100% of 1 decks +73% synergy
Frontier Bivouac
100% of 1 decks +73% synergy
Woodland Cemetery
100% of 1 decks +73% synergy
Rejuvenating Springs
100% of 1 decks +71% synergy
The World Tree
100% of 1 decks +66% synergy
Exotic Orchard
100% of 3 decks +64% synergy
Cinder Glade
100% of 1 decks +62% synergy
Breeding Pool
100% of 1 decks +59% synergy
Stomping Ground
100% of 1 decks +59% synergy
Command Tower
100% of 3 decks +26% synergy
Gallifrey Council Chamber
67% of 3 decks +66% synergy
Spire of Industry
67% of 3 decks +64% synergy
Fiery Islet
67% of 3 decks +60% synergy
Stormcarved Coast
67% of 3 decks +49% synergy
Shivan Reef
67% of 3 decks +40% synergy
Training Center
67% of 3 decks +39% synergy
Sulfur Falls
67% of 3 decks +36% synergy
Forbidden Orchard
33% of 3 decks +30% synergy
Windswept Heath
33% of 3 decks +23% synergy
Terramorphic Expanse
33% of 3 decks +18% synergy
Evolving Wilds
33% of 3 decks +12% synergy
Path of Ancestry
33% of 3 decks +12% synergy
Steam Vents
33% of 3 decks -6% synergy