Dreadhead Hydra

Reach
When a creature with flying dies, put a +1/+1 counter on this creature.
When a creature without flying dies, put a +1/+1 counter on another target creature you control.
When Dreadhead Hydra dies, put a +1/+1 counter on each other creature you control equal to its power.
Dreadhead Hydra can't be sacrificed.