Karsa, Civilization's Scourge

When you cast Karsa create Bairoth Delum, an indestructible legendary equipment with
"Equipped creature gets +3/+1, first strike, and
has, whenever this creature deals combat
damage to a creature, exile that creature and
create a 0/1 colorless spirit creature token. And:
Equip {3}"
When Karsa enters the battlefield, you may
attach up to one equipment you control to it.