Feratilator's Beast of Burden

Whenever Feratilator's Beast of Burden attacks,
defending player may look at the top card of your
library. They may reveal it or keep it hidden. If
they reveal it, tap Feratilator's Beast of Burden.
If they don't, Feratilator's Beast of Burden gets
+2/+0 until end of turn.
When Feratilator's Beast of Burden dies, search
your library for a legendary creature card named
Feratilator, Bane of Wonders, put it into your
hand, then shuffle your library.