Nathan, the zombie king

Non-token zombie creatures you control get +1/+1 and cost {1} less to cast
Token zombie creatures you control get +2/+2
{5} All zombie creatures you control get deathtouch and haste until end of turn
{6} Sacrifice a zombie you control create and 4 2/2 black zombie tokens and get {b}
{10} Put 5 creatures from any graveyard to the battlefield under your control, they have decayed