SIMIAN (AND ELVISH) SPIRIT GUIDE When were talking about the cards-to-mana exchange rate, generally the rituals that only profit you by one net mana arent good enough to make this list
There's a tremendous difference between your rare bomb, like Noxious Gearhulk, and the simply fine Lawless Broker in your deck By playing more than the minimum number of cards, you are reducing your chances, however slightly, of finding your strongest cards as often as possible
You can buy the ability to open packs faster, and there are also currencies you dont have to spend money on, and its all kind of confusing in text, but it makes sense and is easy to understand in context, so, for your sake and mine, I am not going to spend time explaining all of it
It matters
In the earlier days of the game, the list of Forbidden & Limited cards updated frequently throughout the year, as players could expect a change to the list every two to three months