Growing Whelp

{r}: Growing Whelp becomes a Dragon with base
power and toughness 2/2 and flying.
1{r}: If Growing Whelp has flying, it becomes a
Dragon Berserker with base power and toughness
3/3 and flying.
1{r}{r}: If Growing Whelp is a Berserker, put a
+1/+1 counter on it. Then, if it has 3 or more
+1/+1 counters on it, it gains "Dragons you
control have haste."