Starport

Starport creature spells cost {1} less to cast.
{t}: Add one mana of any color. Spend this mana only to cast a Starport creature spell.
"Spaceflight and air superiority form the foundation of terran dominance in the Koprulu sector. And the very cornerstone of our areospace capabilities is the modern starport."
—Dominion Marine Corps Combat Handbook: Infantry Edition