If there's a cost associated with having that creature attack or block, its controller isn't forced to pay that cost, so it doesn't have to attack or block in that case either
Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
It may be an artifact, but it's one of the biggest reasons to play black mana in Standard right now
When it's in your hand, on the battlefield, in your graveyard, or in exile, it's a creature and treated the same as any other
In the beginning of his adventure in Wilds of Eldraine , we first see Kellan as a sheep farmer with no clue who he really is