Cobra B.A.T.S

Menace
Equipped creature gets +2/+2 and has menace.
Whenever Cobra B.A.T.S or equipped
creature deals combat damage to a player,
goad each creature that player controls.
Reconfigure {4} ({4}: Attach to target creature
you control; or unattach from a creature.
Reconfigure only as a sorcery. While attached,
this isn't a creature.)