Activate Basalt Monolith's first ability by tapping it, adding CCC.
Activate Urza by paying 6, creating two token copies of Basalt Monolith that are 1/1 Soldiers in addition to their other types.
Activate Lightning Greaves' equip ability by paying 0, attaching it to a Basalt Monolith token.
Activate the Basalt Monolith token's first ability by tapping it, adding CCC.
Repeat from step 3 using the other Basalt Monolith token.
Repeat from step 2.
This loop turns a simple mana rock into an engine of exponential growth by leaning heavily on token multiplication and stat-boosting static effects. While Basalt Monolith provides the initial fuel by tapping for three mana, Urza, Prince of Kroog steps in to replicate it, and Mondrak, Glory Dominus doubles those newly minted tokens into pairs instead of singles. Lightning Greaves ensures that you can safely juggle and equip your activated abilities without interference, while Urza's passive anthem pumps your growing army of 1/1 Soldier artifacts into formidable 3/3 threats.