Gnarly Transformation

Target a creature you control, then flip a
coin. If heads, put five +1/+1 counters on
that creature. If tails, remove all counters
from that creature and it's base power and
toughness becomes 1/1.
Flashback — {3}{r/g}{r/g} (You may cast this card
from your graveyard for its flashback cost. Then
exile it.)