Returning Soldier

At the beginning of your upkeep, sacrifice
Returning Soldier. Search through your
library for a basic land card, reveal it, put it onto
the battlefield, then shuffle your library.
Dash {r}{r} (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.)