Sword of Freyr

Whenever you cast a legendary spell, put a sun
counter on Sword of Freyr.
As long as Sword of Freyr has 4 or more sun
counters on it, it is an X/X artifact creature with Lifelink and Indestructible, where X is the
number of sun counters on it.
Equipped creature gets +3/+3 and Lifelink.
Equip {w}{w}