Fill Your Graveyard, Then Empty It Every time your Orc Army (or any other Army you control) deals combat damage to an opponent, Sauron, the Dark Lord, gives you the option to discard you hand and draw four more cards
With the rest of the deck, getting those deserts into the graveyard from the battlefield will be pretty easy, but well get to that soon
Then put the discard part first
That first impression certainly held up (especially in Commander), as this four-drop gives all other creatures you control prowess (which trigger separately, by the way, so multiple instances trigger more than once) and also makes target creature unblockable when you cast a noncreature spell
Right now, though, it's only seeing play in one place - as a sideboard card for a new but still niche Modern deck, Bant Ritual
First, you can look at the top card of your library any time you want, so that works with things like Soothsaying and Sensei's Divining Top