Panos, the soul Extractor

Whenever Panos, the Soul Extractor enters
the graveyard from anywhere deal damage to
target player equal to the number of creature
cards in his graveyard.
{2}{g}{b}: Return Panos, the Soul Taker from
the graveyard to the battlefield.
Panos, the Soul Extractor has power equal to the number of creature cards in all graveyards.