Wallknight

Whenever a creature you control recieves
combat damage gain life equal to its toughness
When a creature with defender enters the
battlefield under your control creatures you
control with defender can attack as though they
didn't have defender until end of turn
{3}{g}{w}{t}: create a 0/5 plant creature token with
defender and put a +1/+1 counter on each
creature you control with defender