Acererak, seeker of Power

Deathtouch
{1}{u}{b}{t}, Target player discards a card. put
a Lich counter on Acererak, seeker of Power.
{x}{b}{b}{u}{t}, Exile Acererak, seeker of Power then return him to the battlefield transformed with X loualty counters on him plus the number of Lich counters on Acererak, seeker of Power.