Growing Tide

Choose either creature or land. Reveal the top
four cards of your library. Put all cards of the
chosen type revealed this way into your hand
and the rest into your graveyard.
"Everywhere Mankind has travelled, there too are
the Orks. They infest this galaxy, and no doubt others,
like the crude parasites they are. My only hope is that
they kill one another before they kill us."
—Watch Captain Evangelos, Deathwatch