Glutspir, The Ravenous

Reach(can block creatures with flying.)Devour 2
(As Glutspir, The Ravenous enters the battlefield,
you may sacrifice any number of creatures.
Glutspir, The Ravenous enters the battlefield
with 2 +1/+1 counters on it for each creature
sacrificed this way.)
{t}{3}sacrifice a creatures put 2 +1/+1 counters
on Glutspir, The Ravenous
The hungry are never truly satisfied