Brawn, Sneaky Striker

Living metal (As long as it's your turn, this Vehicle is also a creature.)
Skulk (This creature can't be blocked by ceatures
with greater power.)
At the beginning of combat on your turn reveal
the top card of your library if it's a creature. Convert Brawn, then it fights target creature. Otherwise put that card into the graveyard put a +1/+1 counter on Brawn.