Iowa-Class Formation

Menace,
Crew 4 (Tap any number of creatures you control with a
total power of 1 or more. This Vehicle becomes an artifact creature until end of turn.)
{1}{w} Combined Anti-Aircraft - Destroy all opponents creatures with Flying.
{3}{w}{w} Secondary Barrage - Deal 4 damage to two of
chosen opponents creatures.
{5}{w}{w}{w} Main Barrage - Deal 10 damage to two opponents creatures. (this attack can't be used
for 3 turns.)