I imagine both are ways to combat aggro decks, specifically Boros decks, as Trostani can net you a lot of life off wurm tokens and Druid's Deliverance can buy you some time while building up your boardstate
Bring havoc to the battlefield with commanders Szarekh, The Silent King and Imotekh, The Stormlord
Duel Masters didn't put their double-faced cards into the deck but instead had them in a separate zone
How Many Magic: The Gathering Cards Are There Total
To the inevitable question: I cant say how it compares it to other card games, given Ive played zero traditional ones, but this, to me, stands out as a great introduction to the genre
Any time you are able to trade off your Phoenix for a real creature out of your opponent (or at least a removal spell), youre gaining an advantage