Idris, Soul of the TARDIS + Basalt Monolith + Training Grounds

Idris, Soul of the TARDIS
Basalt Monolith
Training Grounds

Requires
Idris, Soul of the TARDIS must be on the battlefield. Basalt Monolith must be in exile (exiled by Idris). Training Grounds must be on the battlefield. Idris does not have summoning sickness.
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 1, untapping it.
  3. Repeat.
Results
Infinite colorless mana.

Idris, Soul of the TARDIS
4.76% of 63 decks 3 decks
The Tenth Doctor // Clara Oswald
0.68% of 441 decks 3 decks
The Tenth Doctor // Rose Tyler
0.13% of 3865 decks 5 decks
High Synergy Cards
Zirda, the Dawnwaker
78% of 9 decks +75% synergy
Trenzalore Clocktower
71% of 14 decks +70% synergy
Rousing Refrain
67% of 15 decks +65% synergy
Farewell
78% of 9 decks +64% synergy
The Millennium Calendar
62% of 8 decks +62% synergy
Dinosaurs on a Spaceship
56% of 9 decks +53% synergy
Everybody Lives!
56% of 9 decks +53% synergy
Inspiring Refrain
53% of 15 decks +52% synergy
Lightning Greaves
73% of 15 decks +48% synergy
Jhoira of the Ghitu
47% of 15 decks +46% synergy
Top Cards
Swords to Plowshares
78% of 9 decks +15% synergy
Mystical Tutor
53% of 15 decks +38% synergy
Blasphemous Act
53% of 15 decks +20% synergy
Mental Misstep
47% of 15 decks +41% synergy
Arcane Denial
47% of 15 decks +27% synergy
Path to Exile
44% of 9 decks -1% synergy
Time Beetle
43% of 14 decks +42% synergy
Sonic Screwdriver
43% of 14 decks +41% synergy
Reality Strobe
40% of 15 decks +40% synergy
Inevitable Betrayal
40% of 15 decks +38% synergy
Creatures
Agatha of the Vile Cauldron
100% of 2 decks +98% synergy
Birds of Paradise
100% of 2 decks +73% synergy
Flesh Duplicate
36% of 14 decks +33% synergy
River Song
33% of 15 decks +33% synergy
Timestream Navigator
33% of 15 decks +33% synergy
The War Doctor
33% of 9 decks +32% synergy
The Second Doctor
33% of 9 decks +30% synergy
Flaming Tyrannosaurus
29% of 14 decks +27% synergy
Jhoira's Timebug
27% of 15 decks +26% synergy
Aeon Chronicler
27% of 15 decks +26% synergy
Phyrexian Metamorph
27% of 15 decks +20% synergy
Dockside Extortionist
27% of 15 decks +14% synergy
Star Whale
21% of 14 decks +20% synergy
K-9, Mark I
21% of 14 decks +20% synergy
Rift Elemental
20% of 15 decks +20% synergy
Drift of Phantasms
20% of 15 decks +19% synergy
Goldspan Dragon
20% of 15 decks +14% synergy
Imperial Recruiter
20% of 15 decks +14% synergy
Spark Double
20% of 15 decks +13% synergy
Thassa's Oracle
20% of 15 decks +13% synergy
Instants
Beast Within
100% of 2 decks +61% synergy
An Offer You Can't Refuse
40% of 15 decks +20% synergy
Clockspinning
33% of 15 decks +32% synergy
Cyber Conversion
33% of 12 decks +32% synergy
Enlightened Tutor
33% of 9 decks +16% synergy
Fierce Guardianship
33% of 15 decks +15% synergy
Brainstorm
33% of 15 decks +12% synergy
Counterspell
33% of 15 decks -10% synergy
Delay
27% of 15 decks +24% synergy
Muddle the Mixture
27% of 15 decks +22% synergy
Swan Song
27% of 15 decks +10% synergy
Cyclonic Rift
27% of 15 decks -1% synergy
Suspend
20% of 15 decks +19% synergy
Brain Freeze
20% of 15 decks +17% synergy
Dramatic Reversal
20% of 15 decks +15% synergy
Deflecting Swat
20% of 15 decks +4% synergy
Sorceries
Farseek
100% of 2 decks +66% synergy
Cultivate
100% of 2 decks +54% synergy
Fabricate
40% of 15 decks +34% synergy
Windfall
40% of 15 decks +27% synergy
Wibbly-wobbly, Timey-wimey
36% of 14 decks +35% synergy
Arc Blade
33% of 15 decks +33% synergy
Chronomantic Escape
33% of 9 decks +33% synergy
The Wedding of River Song
33% of 9 decks +33% synergy
Personal Tutor
33% of 15 decks +32% synergy
Sevinne's Reclamation
33% of 9 decks +26% synergy
Wheel of Fate
27% of 15 decks +25% synergy
Lórien Revealed
27% of 15 decks +23% synergy
Ponder
27% of 15 decks +14% synergy
Traverse Eternity
25% of 12 decks +24% synergy
Twice Upon a Time
21% of 14 decks +21% synergy
All of History, All at Once
21% of 14 decks +21% synergy
Gamble
20% of 15 decks +10% synergy
Preordain
20% of 15 decks +9% synergy
Utility Artifacts
Dino DNA
38% of 8 decks +37% synergy
Rotating Fireplace
36% of 14 decks +35% synergy
Heartstone
33% of 15 decks +33% synergy
The One Ring
33% of 15 decks +24% synergy
Staff of Domination
27% of 15 decks +25% synergy
Illusionist's Bracers
20% of 15 decks +19% synergy
Scroll Rack
20% of 15 decks +18% synergy
Isochron Scepter
20% of 15 decks +18% synergy
Swiftfoot Boots
20% of 15 decks -8% synergy
Enchantments
As Foretold
40% of 15 decks +38% synergy
Four Knocks
33% of 9 decks +33% synergy
Regenerations Restored
33% of 9 decks +32% synergy
Grasp of Fate
33% of 9 decks +30% synergy
Ghostly Prison
33% of 9 decks +22% synergy
The Parting of the Ways
27% of 15 decks +26% synergy
Mystic Remora
27% of 15 decks +9% synergy
Teferi's Ageless Insight
20% of 15 decks +15% synergy
Underworld Breach
20% of 15 decks +14% synergy
Rhystic Study
20% of 15 decks -8% synergy
Utility Lands
Reliquary Tower
47% of 15 decks +17% synergy
Geier Reach Sanitarium
27% of 15 decks +23% synergy
Rogue's Passage
27% of 15 decks +7% synergy
Nesting Grounds
20% of 15 decks +19% synergy
Minamo, School at Water's Edge
20% of 15 decks +16% synergy
Urza's Saga
20% of 15 decks +13% synergy
Ancient Tomb
20% of 15 decks +9% synergy
Mana Artifacts
Sol Ring
100% of 15 decks +16% synergy
Arcane Signet
73% of 15 decks +1% synergy
Talisman of Conviction
67% of 9 decks +44% synergy
Thought Vessel
53% of 15 decks +37% synergy
Talisman of Creativity
47% of 15 decks +18% synergy
Talisman of Progress
44% of 9 decks +22% synergy
Fellwar Stone
40% of 15 decks +19% synergy
Sol Talisman
33% of 15 decks +32% synergy
Mana Crypt
33% of 15 decks +24% synergy
Energy Refractor
27% of 15 decks +26% synergy
Lotus Bloom
27% of 15 decks +26% synergy
Jeweled Lotus
27% of 15 decks +20% synergy
Chromatic Orrery
20% of 15 decks +18% synergy
Grim Monolith
20% of 15 decks +18% synergy
Lands
Hinterland Harbor
100% of 2 decks +73% synergy
Command Tower
80% of 15 decks +6% synergy
Steam Vents
67% of 15 decks +28% synergy
Hallowed Fountain
67% of 9 decks +26% synergy
Training Center
60% of 15 decks +33% synergy
Exotic Orchard
60% of 15 decks +24% synergy
Sacred Foundry
56% of 9 decks +19% synergy
Fiery Islet
47% of 15 decks +40% synergy
Stormcarved Coast
47% of 15 decks +29% synergy
Sunbaked Canyon
44% of 9 decks +40% synergy
Skycloud Expanse
44% of 9 decks +32% synergy
Sundown Pass
44% of 9 decks +29% synergy
Deserted Beach
44% of 9 decks +28% synergy
Mystic Monastery
44% of 9 decks +18% synergy
Raugrin Triome
44% of 9 decks +18% synergy
Scalding Tarn
40% of 15 decks +29% synergy
Gallifrey Council Chamber
36% of 14 decks +35% synergy
Spire of Industry
33% of 15 decks +30% synergy
Shivan Reef
33% of 15 decks +7% synergy
Volcanic Island
27% of 15 decks +13% synergy
Reflecting Pool
20% of 15 decks +15% synergy
Flooded Strand
20% of 15 decks +9% synergy
Arid Mesa
20% of 15 decks +9% synergy
Polluted Delta
20% of 15 decks +9% synergy