And yet, handing out cards, lands, and life is one of the most reliable ways to keep a table pointed at each other instead of at you
Otherwise, you'll get a 1/1 flier, and that's an interesting sacrifice payoff
Though there are more types of double faced cards and other rules mostly to do with various other keywords and the way they can affect the handling of double faced cards the above will cover you for learning how to incorporate cards in your deck, along with the basics of how they work
Once you do, you get a 3/3 Flier at your disposal
I think there are better things to do for 4 mana in EDH though, but if you have a lot of Clue stuff going on I wouldn't bat an eye at it
See the storage guide Decide upfront whether you want a display copy or a top-grade investment, because the price gap is enormous