Bride's Gown
From Innistrad: Crimson Vow set
Bride's Gown
Artifact — Equipment
Equipped creature gets +2/+0. It gets an additional +0/+2 and has first strike as long as an Equipment named Groom's Finery is attached to a creature you control.
Equip
(
: Attach to target creature you control. Equip only as a sorcery.)