This is going to be a key card in the game going forward
About a year ago, I discussed the financial aspects of Dragons and their enabler prior to the upcoming Tarkir block
From there you can import your own images, icons, and text to tailor them for specific sets
However grinding this way takes a really long time , far longer than conventional grinding would, and heavy use of the JP Gain Up/JP Boost ability in conjunction with smart JP investment will do a lot to keep you ahead of random encounters anyway
Desynchronization and Urza's Ruinous Blast are potent board wipes that work well in this legendary-heavy deck
Specifically, the Southern Sky has a dark color scheme, the church has a red scheme, the Northern Sky has a blue/white scheme (Ramza officially came from the Northern Sky so that's why your units have a similar scheme), and neutral/"brigand" enemies (and the Corpse Brigade) have green schemes