Goldblade Guard

Flash, Endurance 1 (At the beginning of each end
step, if this creature took damage this turn, put a
+1/+1 counter on it.)
When Goldblade Guard enters the battlefield,
prevent all but one damage that would be dealt to
another target creature until the end of the turn.
Remove three +1/+1 counters from this creature:
Exile Goldblade Guard, then return it to the battlefield under its owner's control.