Tempered Legionnaire

Other artifact creatures you control get +1/+1.
Equipped creature gets +3/+1 and is an artifact
in addition to its other types.
Arm {4} ({4}: This creature becomes an Equipment.
Attach it to target creature you control. It becomes a creature again if it's not attached to a creature. Arm
only as a sorcery.)
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
United we are strong.