Journey to El Dorado

Journey 7 (You may tap any number of pirates
you control, for each pirate tapped this way, put
a journey counter on Journey to El Dorado. As
long as Journey to El Dorado has 7 or more
journey counters, you may transform it.)
"Captain, I know it's a city of gold, but how are we
going to bring it all back?" -Crewmate's last words