Dibidi, a good bird

Flying
Whenever Dibidi attacks, put X +1/+1 counters
on it when X is its power.
If Dibidi has 2 or more +1/+1 on it, it gains
lifelink.
If Dibidi has 4 or more +1/+1 on it, it gains vigilance.
If Dibidi has 16 or more +1/+1 on it, it cant be blocked.