The cards will be available in both regular and foil versions
It gives you an additional card all the time while technically being on the play a bit below 40% of the time, so it should slightly decrease the fail rate
You can take an aggressive slant with cards like Ocelot Pride and Bristly Bill, Spine Sower to apply early pressure, or you can play a slower game that powers out Chulane via mana dorks then sit behind its card advantage
In Carpenter, an internet connection is initially required to download any uncached images and data of Magic cards from Scryfall, but after those things have been loaded, the app can be used offline
Normally, youd have to discard a card when you do this, but with a Darkwing Duck in play, you dont