Magmar, Essence of Hostility

{r}, Sacrifice another Elemental creature:
Magmar, Essence of Hostility deals damage equal
to that creatures power to target player and
damage equal to that creatures toughness to you.
Whenever you cast an instant or sorcery spell,
you may have Magmar, Essence of Hostility deal
1 damage to you. If you do, put a 3/1 red
Elemental creature token with haste into play.
Exile that token at the beginning of the next end
step.