Eerie Dreadship

Eerie Dreadship's power and toughness are equal
to the number of cards in all graveyards.
{3}: Target player puts the top card of his or her library into his or her graveyard. If {u} was spent
to use this ability, exile up to one target card
from a graveyard. If you do, Eerie Dreadship
gains Flying until end of turn. If {b} was spent to
use this ability, exile up to one target card from a graveyard. If you do, create a 1/1 black Spirit
creature token with flying.
Crew - Discard a card.