Loki, God of Mischief

When Loki, God of Mischief enters the battlefield, you may search your library for a card named Loki's Scepter, reveal it, and
put it into your hand. Then shuffle your library.
{2}{b}{g}: Loki becomes a copy of another target creature on the battlefield, except
he retains his base power and toughness
and has this ability.