Vlast, Arch-Hermit

Deathtouch
Vlast, Arch-Hermit gets +0/+1 for each card in
your graveyard
{t} sacrifice a creature: return target creature cars
from your graveyard, then if the returned creature costs less than the sacrificed creature add X {b} where X is the difference, if the sacrificed creature costed less pay X {b} or lose the game at the begining of the next end step (tokens cost 0)
dead? Please, your never dead for long while I'm here