M47 Patton

crew 2 first srtike
{w}{b}{t}sacrifice M47 Patton destroy target creature, i target creature's converted mana value is greater than 5 then return M47
Patton from your graveyard to your hand.
at the beginning of each end step if 2 or
more vehicles were put into graveyards
return M47 Patton from the graveyard to
your hand