Basalt Monolith
Myr Welder
Agatha of the Vile Cauldron

   Prerequisites

What do I need to start this combo?
Basalt Monolith in exile (Basalt Monolith exiled by Myr Welder in exile).
Myr Welder and Agatha of the Vile Cauldron on the battlefield.

   Steps

How does this combo work?
1
Activate Myr Welder using Basalt Monolith's first ability by tapping it, adding .
2
Activate Myr Welder using Basalt Monolith's second ability by paying at most 2, untapping it.
3
Repeat.

   Results

What do I get from this combo?
Infinite colorless mana
Tazri, Stalwart Survivor
0.2%inclusion4 decks2.11K decks
Kenrith, the Returned King
0.0%inclusion3 decks27.9K decks
Agatha of the Vile Cauldron
0.0%inclusion2 decks4.78K decks
Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
0.3%inclusion1 decks319 decks
The Fifteenth Doctor // Susan Foreman
5.9%inclusion1 decks17 decks
Marath, Will of the Wild
0.0%inclusion1 decks2.99K decks
Garth One-Eye
0.0%inclusion1 decks4.88K decks
Jodah, Archmage Eternal
0.0%inclusion1 decks8.52K decks
New Cards
Badgermole Cub
33%inclusion1 decks3 decks
28%synergy
High Synergy Cards
Staff of Domination
79%inclusion11 decks14 decks
77%synergy
Biomancer's Familiar
73%inclusion8 decks11 decks
70%synergy
Umbral Mantle
50%inclusion7 decks14 decks
49%synergy
Zirda, the Dawnwaker
45%inclusion5 decks11 decks
43%synergy
Training Grounds
45%inclusion5 decks11 decks
43%synergy
Agatha's Soul Cauldron
43%inclusion6 decks14 decks
42%synergy
Kinnan, Bonder Prodigy
45%inclusion5 decks11 decks
41%synergy
Walking Ballista
43%inclusion6 decks14 decks
40%synergy
Heartstone
36%inclusion5 decks14 decks
35%synergy
Ioreth of the Healing House
36%inclusion4 decks11 decks
35%synergy
Top Cards
Faeburrow Elder
45%inclusion5 decks11 decks
34%synergy
Beast Within
43%inclusion6 decks14 decks
8%synergy
Freed from the Real
36%inclusion4 decks11 decks
34%synergy
Swords to Plowshares
36%inclusion4 decks11 decks
-25%synergy
Illusionist's Bracers
36%inclusion5 decks14 decks
35%synergy
Swiftfoot Boots
36%inclusion5 decks14 decks
8%synergy
Hateflayer
29%inclusion4 decks14 decks
28%synergy
Pili-Pala
29%inclusion4 decks14 decks
28%synergy
Metalworker
29%inclusion4 decks14 decks
28%synergy
Rings of Brighthearth
29%inclusion4 decks14 decks
27%synergy
Game Changers
Demonic Tutor
33%inclusion3 decks9 decks
14%synergy
Grim Monolith
29%inclusion4 decks14 decks
27%synergy
Mana Vault
29%inclusion4 decks14 decks
23%synergy
Enlightened Tutor
27%inclusion3 decks11 decks
12%synergy
Ancient Tomb
21%inclusion3 decks14 decks
12%synergy
Creatures
Dark Impostor
33%inclusion3 decks9 decks
33%synergy
Kami of Whispered Hopes
29%inclusion4 decks14 decks
22%synergy
Bloom Tender
29%inclusion4 decks14 decks
21%synergy
Delighted Halfling
29%inclusion4 decks14 decks
16%synergy
Birds of Paradise
29%inclusion4 decks14 decks
1%synergy
Vizier of Tumbling Sands
27%inclusion3 decks11 decks
26%synergy
Urza, Lord High Artificer
27%inclusion3 decks11 decks
24%synergy
Selfless Spirit
27%inclusion3 decks11 decks
23%synergy
Zacama, Primal Calamity
27%inclusion3 decks11 decks
19%synergy
Yisan, the Wanderer Bard
21%inclusion3 decks14 decks
21%synergy
Svella, Ice Shaper
21%inclusion3 decks14 decks
20%synergy
Fauna Shaman
21%inclusion3 decks14 decks
19%synergy
Incubation Druid
21%inclusion3 decks14 decks
17%synergy
Instants
An Offer You Can't Refuse
27%inclusion3 decks11 decks
3%synergy
Path to Exile
27%inclusion3 decks11 decks
-20%synergy
Chaos Warp
21%inclusion3 decks14 decks
-9%synergy
Sorceries
Farseek
29%inclusion4 decks14 decks
-7%synergy
Cultivate
29%inclusion4 decks14 decks
-14%synergy
Kodama's Reach
21%inclusion3 decks14 decks
-6%synergy
Nature's Lore
21%inclusion3 decks14 decks
-10%synergy
Utility Artifacts
Thousand-Year Elixir
29%inclusion4 decks14 decks
27%synergy
Lightning Greaves
29%inclusion4 decks14 decks
4%synergy
Battlemage's Bracers
21%inclusion3 decks14 decks
21%synergy
Aetherflux Reservoir
21%inclusion3 decks14 decks
18%synergy
Ashnod's Altar
21%inclusion3 decks14 decks
15%synergy
Enchantments
Careful Cultivation
21%inclusion3 decks14 decks
21%synergy
Helix Pinnacle
21%inclusion3 decks14 decks
21%synergy
Cryptolith Rite
21%inclusion3 decks14 decks
18%synergy
Hardened Scales
21%inclusion3 decks14 decks
11%synergy
Planeswalkers
Karn, the Great Creator
21%inclusion3 decks14 decks
20%synergy
Utility Lands
Thespian's Stage
21%inclusion3 decks14 decks
19%synergy
Reliquary Tower
21%inclusion3 decks14 decks
-9%synergy
Mana Artifacts
Arcane Signet
93%inclusion13 decks14 decks
21%synergy
Sol Ring
86%inclusion12 decks14 decks
2%synergy
Chromatic Lantern
50%inclusion7 decks14 decks
41%synergy
Chromatic Orrery
36%inclusion5 decks14 decks
34%synergy
Commander's Sphere
36%inclusion5 decks14 decks
23%synergy
Fellwar Stone
36%inclusion5 decks14 decks
15%synergy
Paradise Mantle
29%inclusion4 decks14 decks
28%synergy
Thran Dynamo
29%inclusion4 decks14 decks
24%synergy
Lands
Command Tower
86%inclusion12 decks14 decks
11%synergy
Stomping Ground
57%inclusion8 decks14 decks
16%synergy
Overgrown Tomb
56%inclusion5 decks9 decks
15%synergy
Godless Shrine
56%inclusion5 decks9 decks
15%synergy
Watery Grave
56%inclusion5 decks9 decks
14%synergy
Wooded Foothills
50%inclusion7 decks14 decks
39%synergy
Hallowed Fountain
50%inclusion5 decks10 decks
11%synergy
Steam Vents
45%inclusion5 decks11 decks
8%synergy
Breeding Pool
45%inclusion5 decks11 decks
4%synergy
Indatha Triome
44%inclusion4 decks9 decks
17%synergy
Blood Crypt
44%inclusion4 decks9 decks
7%synergy
Exotic Orchard
43%inclusion6 decks14 decks
7%synergy
Volcanic Island
36%inclusion4 decks11 decks
22%synergy
Tropical Island
36%inclusion4 decks11 decks
22%synergy
Sacred Foundry
36%inclusion4 decks11 decks
0%synergy
Temple Garden
36%inclusion4 decks11 decks
-2%synergy
Bayou
33%inclusion3 decks9 decks
20%synergy
Underground Sea
33%inclusion3 decks9 decks
19%synergy
Savai Triome
33%inclusion3 decks9 decks
9%synergy
Zagoth Triome
33%inclusion3 decks9 decks
5%synergy
The World Tree
33%inclusion3 decks9 decks
5%synergy
Tundra
30%inclusion3 decks10 decks
16%synergy
Mana Confluence
29%inclusion4 decks14 decks
22%synergy
City of Brass
29%inclusion4 decks14 decks
21%synergy
Marsh Flats
29%inclusion4 decks14 decks
18%synergy
Scalding Tarn
29%inclusion4 decks14 decks
18%synergy
Misty Rainforest
29%inclusion4 decks14 decks
17%synergy
Polluted Delta
29%inclusion4 decks14 decks
17%synergy
Taiga
29%inclusion4 decks14 decks
16%synergy
Evolving Wilds
29%inclusion4 decks14 decks
8%synergy
Path of Ancestry
29%inclusion4 decks14 decks
7%synergy
Cinder Glade
29%inclusion4 decks14 decks
-10%synergy
Urza's Cave
27%inclusion3 decks11 decks
24%synergy
Plateau
27%inclusion3 decks11 decks
15%synergy
Yavimaya Coast
27%inclusion3 decks11 decks
0%synergy
Jetmir's Garden
27%inclusion3 decks11 decks
-2%synergy
Shivan Reef
27%inclusion3 decks11 decks
-2%synergy
Ketria Triome
27%inclusion3 decks11 decks
-3%synergy
Forbidden Orchard
21%inclusion3 decks14 decks
19%synergy
Arid Mesa
21%inclusion3 decks14 decks
11%synergy
Verdant Catacombs
21%inclusion3 decks14 decks
11%synergy
Windswept Heath
21%inclusion3 decks14 decks
10%synergy
Flooded Strand
21%inclusion3 decks14 decks
10%synergy
Spire Garden
21%inclusion3 decks14 decks
-1%synergy