Star Destroyer

Flying, First Strike, Annihilation 1, Obliterate 1 (Whenever Star Destroyer attacks, defending player sacrifices 1 land they control), Multimanage (Every creature you tap to use this creature, adds their
power as if it were 1 creature)
City in the Sky — When Star Destroyer attacks, create X 2/2 black stormtrooper creature token with first strike and reach. Where X is the amount of stormtroopers used to Crew Star Destroyer.
Crew 12