Roxanne, Starfall Savant | Basalt Monolith | Three Steps Ahead

Cards

Cast
Three Steps Ahead by paying ({3} magic symbol) ({U} magic symbol) , creating a token copy of
Basalt Monolith.
Activate the token
Basalt Monolith's first ability by tapping it, adding ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) .
Roxanne's second ability triggers, adding ({C} magic symbol) .
Activate the token
Basalt Monolith's second ability by paying ({3} magic symbol) , untapping it.
Repeat from step 2.