Xiladin, Echo of Life

When a you sacrifice a zombie, you get {e}.
{t}: Expend an amount of {e} to choose one
option.
{e}{e}{e}: Return target zombie creature card from
your graveyard to the battlefield.
{e}{e}{e}{e}{e}: Destroy all other zombies you
control. Create (x) 2/2 black zombie creature
tokens where (x) is the total power of destroyed creatures.