(gain the next level as a sorcery to add its ability.)
if you would gain life, you gain that much life plus 1 instead.
3w: level 2
whenever you gain life, put a +1/+1 counter on target creature you control.
4w: level 3
when this class becomes level 3, return target creature card from your graveyard to the battlefield. you gain life equal to its toughness.