Boomhauer, The Inscrutable

When Boomhauer, The Inscrutable enters the battlefield or attacks, search your library for a
basic land card, reveal it, and put it into your hand,
then shuffle.

Whenever Boomhauer, The Inscrutable attacks, you
may discard a card. If you do, create a Dang Ol'
token (It's a colorless artifact token with "{t},
Sacrifice this token, target creature gains
double strike until end of turn.")