Equipped creature gets +1/+0 and has
menace (This creature can't be blocked except by two or more creatures.).
Whenever a creature enters the battlefield from your graveyard, you may attach Dredging Claw to it.
Equip 
(
: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)