Spontaneous Combustion

{p/b}{p/r} Kicker- It has Try Again & Split Second.
1-2= Sacrifice a creature, then deal 1 damage to all creatures & players. Any that die are exiled.
3-5= Same as above except it's now 2 damage.
6-8= Same as above except it's now 3 damage.
9-12= Same as above except it's now 4 damage.
13-16= Same as above except it's now 5 damage.
17-20= Same as above except it's now 6 damage.