Unfortunately, with the move to being more of a simulation the card artwork is no longer beautifully made pixel art recreations but digitized scans and its a sad trade off because the pixel art was extremely impressive in those early GB games but this game really does a good job capturing the feel of Yu-GI-Oh
Over-Powered Hand Can be used when your opponent controls a Rank 5 or higher Xyz Monster
Errata can be made to a card for a variety of reasons, including to fix mistakes, to update a card's terminology, or to clarify the behavior of a card so that its rulings are easier to understand (such as Problem-Solving Card Text)
I wonder if there's a compilation of them on Youtube or something
This effect may seem purely defensive at first, but you can also use it offensively
Instant Protection (CTRL to add secondary) Ramp Herald's Horn As this artifact enters, choose a creature type