Lilia-Kat, The Inheritor

When this creature enter in the battlefield, your opponent serch a creature card with power 4 or greater.
He/She can put it in the battlefield.
Whitout paying his cost
Once per turn Lilia-Kat, The inheritor can target creature and target player sacrifice that creature.
This creature copy all abilities and put X +1/+1 counter for the power of the creature sacrificed.