Thad, Renovator of Houses

Reinforce 2 - {1}{w}{w} (1{w}{w}, discard this
card: put 2 +1/+1 counters on target creature.)
If target card reinforced by Thad, Renovator of
Houses is a wall or construct, return Thad,
Renovator of Houses to your hand.
"That wall doesn't look sturdy, luckily my
sledgehammer can fix it!"