The Grim Captain

Pirates and Skeletons you control get +1/+1 and
have indestructible.
{u}{b}{r}: Exile target creature card from a
graveyard, then create a 1/0 Black Skeleton Pirate creature token with menace.
Sacrifice a legendary artifact: The Grim Captain's controller sacrifices it. Any player may activate
this ability but only at any time they could cast a
sorcery.