Carniela, Mother Boar

{b/g}{b/g}, Exile a creature card from a graveyard:
Put a +1/+1 counter on target Boar creature
for each {b} paid this way, and/or create a tapped 1/1 green Boar creature token for
each {g} paid this way.
Sacrifice another Boar creature with power 2
or greater: You gain 4 life.