When play single copies of powerful cards you somewhat rely on such as Necropotence or Death Cloud the ability to cheaply get one is huge
In general, if you have a cheap removal spell in hand, its fine to give it the two +1/+1 counters
Rosewater, a former television comedy writer for shows like Roseanne , used the opportunity to pour as many puns, one-liners, and in-jokes at the time as he could into every card in the set, as well as introducing new ideas into Magic that are now a frequent part of the game's design toolbox like full-art basic lands, and token cards
Disney have located the rarity symbols on the bottom center of each card, situated along the border and slightly bigger than the other borders text/symbols to make it easy to see and understand
Honorable Mentions Many out there were probably wondering why this list wasn't a bit more specific, and the only answer for you is: I tried