Just open the deck you'd like to export in the app, and then click the Export this deck button on the top right, like so: The deck will be copied to your clipboard so you can easily paste and grab more decks to import anywhere you want
The original setting was classic fantasy much like Magic generally is, which is much more in my interest wheelhouse than this high-technology, far-future Warhammer 40,000 setting
Along with Commander, he loves Limited, Cube, and Modern, and will always put his trust in counterspells over creatures
This may not be the strongest planeswalker card around, but its definitely a lot of fun
Artifact - Book Artifact (CTRL to add secondary) Creature Captain Rex Nebula At the beginning of combat on your turn, choose target nonland permanent you control
Right now, this card is selling for a price which is impressive even by the standards of other mega TCGs like Pokemon