Starseeker, Serah's Bowsword

(Transforms from Mog, Serah's Guardian)
Equipped creature gets +2/+0 and has reach.
As long as equipped creature is legendary, it gets
an additional +2/+0 and has first strike.
Whenever a creature an opponent controls dies,
you may unattach Starseeker, then transform it.
Equip {2}