Cruel Blood Oath

Equip {3}
Equipped creature gets +2/+2 and has
"Whenever this creature attacks, it deals 2 damage
to its controller and you draw a card." If you have
10 or less life, it gets +3/+3 and has "Whenever
this creature attacks, draw a card" instead.
"This warrior's sword has been stained jet black with
the blood of years of conflict."
-Weapon Data