Dromga, Drowned Captain

Whenever an Artifact is put into your Graveyard,
you may pay {1}{u}{b}.
If you do, create a 2/1 black Skeleton Pirate
token with Menace. If the Artifact was a Vehicle,
create three of those tokens instead.
At the beginning of your end step mill X, where
X is the total combat damage dealt by Pirates this
turn. Then return a Vehicle with converted mana
cost X or less from your Graveyard to your hand.