To "flip" a permanent means to change it from the top half to the bottom half, not to change it from one side to the other
While the cards will mostly be reprints, there will be a few new cards including what some are referring to as a "chase card" or "secret rare." What it is, though, is an Alternate Art version of the Gengar VMAX, which is done in the style similar to what we're seeing in the Secret Rare VMAX cards in current sets
I think this card is quite good
If you roll a 5 or higher, sacrifice Chicken la King and create a number of 2/2 white Chicken creature tokens equal to the result
As you see in the article linked above, the design team, including myself, was a bit skeptical at firstwe tend not to make new card types very oftenbut Matt stayed strong and managed to convince us why we needed to do it
Generally, your deck will want four to six board wipes on average