Zar, Grimlore Necromancer

Deathtouch, haste
When Grimlore Necromancer enters the battlefield search your graveyard for target
creature with power 4 or lower, return it to the battlefield.
{1}{b/r}{p/b},{t}: Until Grimlore Necromancer is
removed from the battlefield, target creature you
control gains "{b/r}{p/b}: Regenerate
(target creature name)."