Providence-class Dreadnought

Indestructible, Flying, Menace
{t}{x}{b}{r}: Put in any combination X 3/3 Vulture Droid and 3/4 Tri-Fighter tokens onto the battlefield. While Vulture Droid and Tri-Fighter tokens are in play, they have "Flying. {t}{b/r}: Sacrifice this creature, add {1} to your mana pool and draw one 1 card."