At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter
Memory Jar Wheel of Fortune, but with some very nice twists
Cards like Mind Twist, Time Walk, and Demonic Tutor ride a fine line with the metric of taking it pack three regardless of your deck, but they are a good reason to pick up black and blue dual lands and Signets that touch your main colors in the first two packs
If you get a particularly strong Mythic Rare in your box, it could also be worth choosing that as an option
However, there are times when you couldnt answer a black creature or Elf or Spirit or whatever
A great example is the newly revealed artwork for Final Fantasy s recurring character, Cid