Mortak, the Harvester

Whenever you cast a instant or sorcery, you may pay {u}{b}. If you do, copy that spell. You may choose new targets for the copy.
{b}{g},{t}, Sacrifice a creature: Put target creature with converted mana cost three or less from a graveyard onto battlefield under your control.
Whenever you sacrifice a creature, each player looses one life.
Only one word uttered before his last breath '' Sathramant....''.