Brobold, Squire of Legend

When Brobold, Squire of Legend enters the
battlefield, if you cast him, search your library for
a legendary creature or planeswalker, reveal it, and
add it to your hand. Then, shuffle your library.
{w}, Sacrifice Brobold, Squire of Legend: Target legendary creature or planeswalker gains indestructible until end of turn.
"You will live on, my lord. I am just a small part of
your legend."