The different code cards weigh different amounts and are supposed to compensate for the weights of the other cards in the pack
Even though its partially obscured, you can see appreciate the details that Villeneuve put into the piece from head to toe
Anything you want to accomplish with Rionya can be attempted with Delina, Wild Mage too, but its much harder to pull off, given she makes a tapped and attacking creature, and given that creature will be exiled at the end of combat which will happen as you move to the next combat phase
Jace is a fantastic tool if you want to play a controlling game of Magic, as he gives you multiple methods to find the cards you need and deal with your opponent's threats
To do it, head to the Shop and then go to the "Redeem" tab, but instead of typing your code, aim your camera directly at the QR Code
All is not lost if that still doesnt help, because theres plenty of reinforcements