Veraas, Death's Competitor

When Veraas, Death's Competitor, enters
the battlefield, you may put the top six
cards of your library in your graveyard. If
you do, return two creature cards from your
graveyard to the battlefield. They are
Zombie Nagas with wither.
{2}{u}{g}: Put two +1/+1 counters on target
creature you control that died this game.