Sam, the destroyer

Crew 1 (Tap any number of creatures you control
with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)
{1}{w}, sacrifice an artifact: Sam, the destroyer
gains hexproof and indestructible this turn.
{1}{r}, sacrifice an artifact: Sam, the destroyer
deals damage equal to its power to any target.
Sam, the destroyer can be your commander.
"there is no such thing as enough firepower"