Seeing Red

Replicate {b/r}{b/r} (When you cast this spell, copy it for
each time you paid its replicate cost. You may choose
new targets for the copies.)
Destroy target creature that was dealt damage
this turn. For each creature that would be put in
a graveyard this way, you gain 1 life.
"If I can't stop it being born... I'll kill it before it's a
day old!" — Cletus Kasady, Carnage