Activate Toymaker by paying ({1} magic symbol) , tapping it and discarding a card, causing Basalt Monolith to become an artifact creature until end of turn.
Activate Basalt Monolith's first ability by tapping it, adding ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) .
Activate Basalt Monolith's last ability by paying at most ({2} magic symbol) , untapping it.