(gain the next level as a sorcery to add its ability.)
when builder's talent enters, create a 0/4 white wall creature token with defender.
w: level 2
whenever one or more noncreature, nonland permanents you control enter, put a +1/+1 counter on target creature you control.
4w: level 3
when this class becomes level 3, return target noncreature, nonland permanent card from your graveyard to the battlefield.