While it is a small change, it does free up a little extra time for players
Catch-up cards aren't a new thing in White: Land Tax is one of the earliest examples and is in my opinion still one of the strongest cards in the format, and easily in the top 5 strongest White cards
This is something not easily identifiable via internet pictures, so if youre looking at buying a non-foil blank, make sure youre getting one with solid provenance
If a player chooses to spend life, their life total goes down immediately
whenever he banishes another character in a Challenge, you gain 2 Lore points
While some might think mono-blue for control, the addition of black gives players access to creature removal like Soul Shatter and Professor Onyx