Blueprints to the Death Star

Death Star MK I costs {10}{10} less to cast.
{t}: Add a +1/+1 counter.
{2}{t}:For each counter, reduce Death Star
MK I's price by {1}.
{p/b}{p/u}:Add {e}.
{t}:For each {e}, pay {2} toward Death Star
MK I's price.