Bel Veth

Whenever a creature an opponent controls dies
create put a +1/+1 counter on Bel Veth
{b/r} {b/r}: Put a +1/+1 counter on Bel'Veth
{1}: {ut}(Untap)
If Bel Veth has 2 or more +1/+1 counters she
gains flying
If Bel Veth has 4 or more +1/+1 counters she
also gains first strike
If Bel Veth has 6 or more +1/+1 counters she
gains double strike instead of first strike