Uritus, King of the Returned

As an additional cost to play Uritus, King of the Returned, sacrifice all creatures you control.
Whenever a creature enters the battlefield from
the graveyard, that creature gets +3/+3 and gains
haste until end of turn.
You may cast zombie creatures from your
graveyard as though they were in your hand.
"My minions don't die, they just rest."