Crown of Sun and Moon

Equipped creature gets +1/+1 and has protection from red and from blue.
If {w} was used to equip this artifact, equipped creature has vigilance, and if {b} was used to equip this artifact, equipped creature has deathtouch.
Whenever equipped creature attacks or blocks, each opponent loses 1 life. You gain life equal to the amount lost this way.
Equip {4}
Equip {w}{w}
Equip {b}{b}