The Blue Roses

flying, persist 2 (when this creature dies if it had
no counters return it to the battlefield with two
-1-1 counters on it)
whenever blocking or being blocked by a
non-human, non-hero creature
The Blue Roses gains +2+2 until end of turn
whenever The Blue Roses successfully blocks a
non-human, non-hero remove a -1-1 counter
from The Blue Roses