Covetous Urge

{p/u}{p/b} Kicker- It has Try Again & Split Second.
1-6= Counter target spell & sacrifice a random creature, if you have none lose 4 life instead.
7-14= Same as above except you sacrifice any creature & if you have none you'll lose 3 life.
15-20= Same as above except you nolonger need
to sacrifice a creature or lose any life. Instead
you must exile this card after it resolves.