Doomsday Walker

Deathtouch, trample, reach
If you returned Doomsday Walker from the graveyard to the battlefield, you may pay
{p/g}{p/g}{p/g}{p/g}. If you do create a token that's a copy
of Doomsday Walker. If you paid one or more
life to activate this ability discard a card.
{b}{b}{b}{p/g}{p/g}{p/g},{t}: Destroy target creature.
If you paid one or more life to activate this
ability discard a card.