Alpha of the Pack

Trample, Provoke, Reach
When Alpha of the Pack enters the battlefield, you lose 4 life and create X 2/2 green wolf tokens with trample and reach.
Sacrifice a wolf, put 2 +1 +1 counters on Alpha of the Pack.
Remove 2 +1 +1 counters from Alpha of the Pack, create a 2/2 green wolf token with trample and reach.