Training Grounds + Basalt Monolith + Karn's Touch

Training Grounds
Basalt Monolith
Karn's Touch

Requires
Training Grounds must be on the battlefield. Basalt Monolith must be on the battlefield. Karn's Touch must be in hand. Basalt Monolith does not have summoning sickness. Mana needed:
Steps
  1. Cast Karn's Touch by paying , causing Basalt Monolith to become an 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 1, untapping it.
  4. Repeat.
Results
Infinite colorless mana.

Jenson Carthalion, Druid Exile
0.37% of 2454 decks 9 decks
Tomorrow, Azami's Familiar
0.65% of 153 decks 1 decks
Thrasios, Triton Hero // Tymna the Weaver
0.02% of 5622 decks 1 decks
Katsumasa, the Animator
0.32% of 312 decks 1 decks
Oona, Queen of the Fae
0.05% of 1884 decks 1 decks
Emry, Lurker of the Loch
0.02% of 4198 decks 1 decks
Urza, Lord High Artificer
0.01% of 12657 decks 1 decks
Lord of the Nazgûl
0.01% of 10376 decks 1 decks
Zaxara, the Exemplary
0.01% of 11646 decks 1 decks
Zur the Enchanter
0.01% of 11095 decks 1 decks
Ambassador Laquatus
0.63% of 159 decks 1 decks
Unctus, Grand Metatect
0.08% of 1310 decks 1 decks
Jhoira, Ageless Innovator
0.05% of 2106 decks 1 decks
High Synergy Cards
Kenrith, the Returned King
100% of 9 decks +96% synergy
Conflux
100% of 9 decks +96% synergy
Planar Genesis
100% of 9 decks +92% synergy
Faeburrow Elder
100% of 10 decks +88% synergy
Wargate
90% of 10 decks +87% synergy
All Suns' Dawn
82% of 11 decks +82% synergy
Magus of the Candelabra
82% of 11 decks +81% synergy
Elvish Harbinger
82% of 11 decks +81% synergy
Abundant Growth
82% of 11 decks +80% synergy
Mana Reflection
82% of 11 decks +80% synergy
Top Cards
Rhythm of the Wild
100% of 9 decks +77% synergy
Bring to Light
82% of 11 decks +80% synergy
Moon-Blessed Cleric
82% of 11 decks +80% synergy
Paradise Druid
82% of 11 decks +80% synergy
Biomancer's Familiar
82% of 11 decks +79% synergy
Primal Vigor
82% of 11 decks +79% synergy
Cryptolith Rite
82% of 11 decks +78% synergy
Zur the Enchanter
82% of 11 decks +78% synergy
Kiora's Follower
82% of 11 decks +76% synergy
Nature's Lore
82% of 11 decks +50% synergy
Creatures
Two-Headed Hellkite
78% of 9 decks +70% synergy
Blaring Recruiter
73% of 11 decks +73% synergy
Undercity Scrounger
69% of 13 decks +69% synergy
Omnath, Locus of All
67% of 9 decks +63% synergy
Maelstrom Archangel
67% of 9 decks +61% synergy
Kutzil, Malamet Exemplar
67% of 9 decks +47% synergy
Chulane, Teller of Tales
60% of 10 decks +55% synergy
Chromanticore
56% of 9 decks +53% synergy
Kinnan, Bonder Prodigy
55% of 11 decks +50% synergy
Fallaji Wayfarer
50% of 10 decks +49% synergy
Dimir House Guard
50% of 14 decks +49% synergy
Drift of Phantasms
48% of 21 decks +47% synergy
Phantasmal Image
48% of 21 decks +44% synergy
Sunstrike Legionnaire
45% of 11 decks +45% synergy
Moonveil Regent
40% of 10 decks +40% synergy
Trophy Mage
38% of 21 decks +36% synergy
Niv-Mizzet Reborn
33% of 9 decks +31% synergy
General Ferrous Rokiric
33% of 9 decks +31% synergy
Rienne, Angel of Rebirth
33% of 9 decks +31% synergy
Primeval Spawn
33% of 9 decks +30% synergy
O-Kagachi, Vengeful Kami
33% of 9 decks +30% synergy
Voltaic Construct
29% of 21 decks +28% synergy
Nyxbloom Ancient
27% of 11 decks +23% synergy
Grand Abolisher
27% of 11 decks +18% synergy
Pili-Pala
24% of 21 decks +23% synergy
Night Market Lookout
21% of 14 decks +21% synergy
Sygg, River Cutthroat
21% of 14 decks +20% synergy
Forensic Gadgeteer
21% of 14 decks +18% synergy
Toymaker
19% of 21 decks +19% synergy
Myr Welder
19% of 21 decks +19% synergy
Grand Architect
19% of 21 decks +18% synergy
Foundry Inspector
19% of 21 decks +15% synergy
Laboratory Maniac
19% of 21 decks +14% synergy
Thassa's Oracle
19% of 21 decks +12% synergy
Liberator, Urza's Battlethopter
15% of 20 decks +13% synergy
Karn, Silver Golem
14% of 21 decks +14% synergy
Riddlesmith
14% of 21 decks +14% synergy
Vizier of Tumbling Sands
14% of 21 decks +13% synergy
Tribute Mage
14% of 21 decks +12% synergy
Walking Ballista
14% of 21 decks +12% synergy
Spellskite
14% of 21 decks +11% synergy
Emry, Lurker of the Loch
14% of 21 decks +10% synergy
Solemn Simulacrum
14% of 21 decks +0% synergy
Instants
Beast Within
55% of 11 decks +16% synergy
Dispel
52% of 21 decks +48% synergy
Perplex
50% of 14 decks +49% synergy
Unite the Coalition
44% of 9 decks +40% synergy
Muddle the Mixture
38% of 21 decks +33% synergy
Counterspell
38% of 21 decks -5% synergy
Shred Memory
29% of 14 decks +28% synergy
Dramatic Reversal
29% of 21 decks +23% synergy
Autumn's Veil
27% of 11 decks +26% synergy
Spell Pierce
24% of 21 decks +20% synergy
Mystical Tutor
24% of 21 decks +9% synergy
Disrupt
19% of 21 decks +19% synergy
Whir of Invention
19% of 21 decks +16% synergy
Pact of Negation
19% of 21 decks +12% synergy
Force of Negation
19% of 21 decks +10% synergy
Swan Song
19% of 21 decks +3% synergy
Fierce Guardianship
19% of 21 decks +1% synergy
Cyclonic Rift
19% of 21 decks -9% synergy
An Offer You Can't Refuse
15% of 20 decks -6% synergy
Dizzy Spell
14% of 21 decks +14% synergy
Disallow
14% of 21 decks +12% synergy
Misdirection
14% of 21 decks +12% synergy
Reality Shift
14% of 21 decks +5% synergy
Force of Will
14% of 21 decks +3% synergy
Pongify
14% of 21 decks +3% synergy
Arcane Denial
14% of 21 decks -5% synergy
Negate
14% of 21 decks -9% synergy
Sorceries
Farseek
82% of 11 decks +48% synergy
Cultivate
82% of 11 decks +35% synergy
Painful Truths
57% of 14 decks +54% synergy
Fabricate
33% of 21 decks +27% synergy
Windfall
33% of 21 decks +20% synergy
Rise and Shine
29% of 21 decks +27% synergy
Rampant Growth
27% of 11 decks -7% synergy
Demonic Tutor
21% of 14 decks -1% synergy
Utility Artifacts
Staff of Domination
57% of 21 decks +55% synergy
Rings of Brighthearth
33% of 21 decks +32% synergy
Isochron Scepter
29% of 21 decks +26% synergy
Heartstone
24% of 21 decks +23% synergy
Lightning Greaves
24% of 21 decks -2% synergy
Unwinding Clock
19% of 21 decks +16% synergy
Encroaching Mycosynth
15% of 20 decks +14% synergy
The One Ring
15% of 20 decks +6% synergy
Voltaic Key
14% of 21 decks +13% synergy
Umbral Mantle
14% of 21 decks +13% synergy
Clock of Omens
14% of 21 decks +13% synergy
Manifold Key
14% of 21 decks +13% synergy
Thousand-Year Elixir
14% of 21 decks +12% synergy
Sculpting Steel
14% of 21 decks +12% synergy
Mystic Forge
14% of 21 decks +11% synergy
Aetherflux Reservoir
14% of 21 decks +10% synergy
Sensei's Divining Top
14% of 21 decks +9% synergy
Swiftfoot Boots
14% of 21 decks -14% synergy
Enchantments
Pemmin's Aura
52% of 21 decks +51% synergy
Sterling Grove
50% of 10 decks +42% synergy
Freed from the Real
43% of 21 decks +41% synergy
Maelstrom Nexus
33% of 9 decks +26% synergy
Mana Cannons
30% of 10 decks +30% synergy
Verity Circle
29% of 21 decks +28% synergy
Rhystic Study
29% of 21 decks +1% synergy
Mystic Remora
24% of 21 decks +6% synergy
Ensoul Artifact
19% of 21 decks +19% synergy
Power Artifact
14% of 21 decks +14% synergy
Propaganda
14% of 21 decks +3% synergy
Battles
Invasion of Ixalan
80% of 10 decks +80% synergy
Invasion of Alara
56% of 9 decks +52% synergy
Planeswalkers
Jace, Wielder of Mysteries
24% of 21 decks +20% synergy
Tezzeret, Betrayer of Flesh
20% of 20 decks +19% synergy
Karn, the Great Creator
19% of 21 decks +18% synergy
Tezzeret the Seeker
14% of 21 decks +12% synergy
Utility Lands
Great Hall of the Citadel
56% of 16 decks +55% synergy
Lotus Field
43% of 21 decks +42% synergy
Inventors' Fair
24% of 21 decks +20% synergy
Urza's Saga
24% of 21 decks +17% synergy
Reliquary Tower
24% of 21 decks -6% synergy
Seat of the Synod
19% of 21 decks +13% synergy
Ancient Tomb
19% of 21 decks +9% synergy
Otawara, Soaring City
15% of 20 decks -2% synergy
Buried Ruin
14% of 21 decks +9% synergy
Mystic Sanctuary
14% of 21 decks +2% synergy
Mana Artifacts
Sol Ring
95% of 21 decks +11% synergy
Arcane Signet
90% of 21 decks +18% synergy
Selesnya Signet
80% of 10 decks +71% synergy
Simic Signet
73% of 11 decks +58% synergy
Chromatic Lantern
43% of 21 decks +33% synergy
Azorius Signet
36% of 11 decks +10% synergy
Dimir Signet
36% of 14 decks +6% synergy
Boros Signet
33% of 9 decks +10% synergy
Mana Crypt
29% of 21 decks +20% synergy
Mox Amber
24% of 21 decks +20% synergy
Mana Vault
24% of 21 decks +17% synergy
Thought Vessel
24% of 21 decks +7% synergy
Mind Stone
24% of 21 decks +6% synergy
Grim Monolith
19% of 21 decks +17% synergy
Liquimetal Torque
19% of 21 decks +15% synergy
Mox Opal
19% of 21 decks +15% synergy
Everflowing Chalice
19% of 21 decks +14% synergy
Fellwar Stone
19% of 21 decks -2% synergy
Hedron Archive
14% of 21 decks +11% synergy
Thran Dynamo
14% of 21 decks +9% synergy
Jeweled Lotus
14% of 21 decks +8% synergy
Commander's Sphere
14% of 21 decks -1% synergy
Lands
Karplusan Forest
100% of 9 decks +83% synergy
Battlefield Forge
100% of 9 decks +75% synergy
Mystic Monastery
100% of 9 decks +74% synergy
Shivan Reef
100% of 10 decks +73% synergy
Frontier Bivouac
100% of 9 decks +73% synergy
Jungle Shrine
100% of 9 decks +68% synergy
Smoldering Marsh
100% of 9 decks +68% synergy
Simic Growth Chamber
91% of 11 decks +71% synergy
Seaside Citadel
90% of 10 decks +64% synergy
Canopy Vista
90% of 10 decks +54% synergy
Boros Garrison
89% of 9 decks +74% synergy
Sunken Hollow
86% of 14 decks +51% synergy
Azorius Chancery
82% of 11 decks +67% synergy
Llanowar Wastes
82% of 11 decks +56% synergy
Yavimaya Coast
82% of 11 decks +55% synergy
Prairie Stream
82% of 11 decks +48% synergy
Selesnya Sanctuary
80% of 10 decks +66% synergy
Cinder Glade
78% of 9 decks +39% synergy
Orzhov Basilica
73% of 11 decks +57% synergy
Dimir Aqueduct
71% of 14 decks +54% synergy
Command Tower
71% of 21 decks -2% synergy
Exotic Orchard
57% of 21 decks +22% synergy
Fabled Passage
43% of 21 decks +34% synergy
Shipwreck Marsh
21% of 14 decks +2% synergy