Valtri Oxtone

Affinity for artifacts (This spell costs 1 less to cast
for each artifact you control.)
{2}{t}, Create a Legendary equipment token called "Enhanced Weapon" (Enhanced Weapon gives +1/+0)
{2}{t}, Create a Legendary equipment token called "Enhanced Defense" (Enhanced Defence gives +0/+1)
When Valtri Oxtone leaves the battlefield, sacrifice
all equipments created by Valtri Oxtone.