Rada al-Saran, Vampire Lord

Hexproof
When ever Rada al-Saran gets a +1/+1 counter, create a 2/2 vampire token.
{4}, Put a blood counter on Rada al-Saran.
If Rada al-Saran has 5 blood counter on it,
give Rada al-Saran a +4/+4 counter.