Crashhopper

Flash
When Crashhopper enters the battlefield, you
may destroy target creature. It's controller may
search for a basic land, reveal it, put it into their
hand, then shuffle their library.
Dash {1}{b}{g} (You may cast this spell for its Dash
cost. If you do, it gains Haste, and it's returned from
the battlefield to its owner's hand at the beginning of
the next end step.)