Morianton

Exert{t}: Tap target land you do not control.
Add double its mana to your pool.
And it came to pass that Morianton built up
many cities, and the people became exceedingly
rich under his reign, both in buildings, and in gold
and silver, and in raising grain, and in flocks, and
herds, and such things which had been restored unto
them. -Ether 10:12