I sometimes use Adobe Photoshop to apply the finishing touches, but most of my work is done in Clip Studio Paint
Cards on the Game Changer list are generally on there because they do one or more of the following: Create a huge resource imbalance Slow the game to a crawl Have limited counterplay Cheat on mana to a degree that is hard to compete with at a casual level of play Remove the natural variance of a 100-card singleton format with efficient tutors that can assemble win conditions with ease Shut off cards, strategies, or elements of gameplay in a way that can be unfun For the full list of cards and reasons why the Commander Format Panel added them as a Game Changer, check out this article
The Underworld - River Styx also keeps the theme of passive Lore generation, and in a long game will help to recover key characters that were previously discarded or banished
I disagree with the sentiment that its so flexible and strong that white decks will be rushing to include it like the second coming of Swords to Plowshares
In her first-ever Pokmon: TCG appearance, the Furisode Girl - using the black hair with pigtails design - seems to have lost control of her Dedenne, one of the Pokmon series Pikachu-esque Pika-clones. The silly Pokmon is knocking over a sewing machine and ripping apart rolls of fabric - which are colored to match the other Furisode designs - and its Trainer is struggling to catch it
Which Im really excited about