Basalt Monolith and Training Grounds on the battlefield.
Basalt Monolith does not have summoning sickness.
({U} magic symbol) available.
Steps
Activate Basalt Monolith's first ability by tapping it, adding ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) .
Cast Bring to Life by paying ({2} magic symbol) ({U} magic symbol) , making Basalt Monolith a 0/0 artifact creature and putting four +1/+1 counters on it.
Activate Basalt Monolith's last ability by paying ({1} magic symbol) , untapping it.
Activate Basalt Monolith's first ability by tapping it, adding ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) .