Staff of the Crow King's Favor

Equipped creature gains Warded from Red (Red
Damage sources cannot damage this creature.)
ans "Whenever you cast a Black spell, you may
pay {b} to gain 1 life.
Whenever you cast a Red spell, you may pay
{r} to gain have Staff of Burning Death do
1 damage to any target.
Whenever you cast a Blue spell, you may pay
{4} {b},{t} to draw a card.
Equip 3 "Among witches, a Crown."