Haleth, Pack Alpha

When Haleth, Pack Alpha enters the
battlefield put three 2/2 green Wolf tokens
onto the battlefield.
Whenever a +1/+1 counter is placed on
Haleth, Pack Alpha, put that many counters
on wolf creatures you control.
{t} Create a 2/2 green Wolf token.
{1}{g} Put a +1/+1 counter on Haleth, Pack
Alpha. Activate this ability only when a Wolf
creature has died this turn.