Canine Caveman

Canine Caveman has Hexproof as long as it
has a +1/+1 counter.
{2}{r/g}, {t}, Exert Canine Caveman: Put a
+1/+1 counter on Canine Caveman.
"[points to sky] [walks fingers on palm] [shows
two fingers] [shakes fist] [points to self] Do I
make myself clear?"