The Mouths That Feed

When The Mouths That Feed enters the battlefield, Create two 1/1 red devil creature
tokens.
At the beginning of your end step, Sacrifice two
other creatures. If you can't, put a -1/-1 counter
on The Mouths That Feed and you lose 5 life.
Whenever you sacrifice a creature, put a +1/+1
counter on The Mouths That Feed and you gain
2 life