The card must be centered approximately 55%/45% to 60%/40% on the front, and 75%/25% on the back
After your postcombat main phase, there is another upkeep step
For more information, check your Play
We also have some decks that have gone through some changes, but still have the same core plan
By searching categorically (either literally through categories on platforms and/or by using generic search terms like 1st Edition Pokemon, Im able to find listings with horrible typos, scant details, and/or otherwise genuine/authentic cards that are getting far less attention than they should
I sometimes use Adobe Photoshop to apply the finishing touches, but most of my work is done in Clip Studio Paint