As long as equipped creature has defender, it can attack as though it didn't have defender.
Equip 3 (3: Attach to target creature you control. Equip only as a sorcery.)
The best defense is a good offense.
Illus. Warren Mahy
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.