Malrinoth, Crypt Lord

If Malrinoth, Crypt Lord is your commander, your deck can have any number of cards named Reassembling Skeleton. Whenever one or more cards leave your graveyard, Skeletons you control get +1/+0 and gain menace until end of turn. {3}{B}{B}, Pay 2 life: Return Malrinoth from your graveyard to the battlefield.