Gaalosk, Titan of Storm's Fury

When Gaalosk enters the battlefield, sacrifice it
unless it escaped.
Whenever Gaalosk enters the battlefield or
attacks, it deals 4 damage divided as you choose
among any number of target creatures.
Escape—{u}{u}{r}{r}, Exile 5 other creatures from
your graveyard. (You can cast this card from your graveyard for its escape cost.)