For the sake of sanctioned play, players are meant to refer to the card's Oracle Text as opposed to what's physically written on the card
Limited Resources also spawned the Red / White Land destruction deck, as once each player had five lands, the Red part of the deck, could destroy a Land, and then you could play a Land to keep the total Land in play at ten, but giving you a six to four advantage, then repeating the process until you had all ten Land, leaving your opponent Mana-less and in most cases hopeless
Best Value What if youre looking for something in the middle
If an adventure spell is countered, it does not resolve
That said, uncommons are often more focused on how they play in Limited - that means Drafts and Sealed, such as the prerelease events that come before a set's full release