It might be tempting to lump Flickerwisp in with Restoration Angel and Cloudshift because it can exile something and return it to the battlefield, but it's actually hugely different in how it plays because instead of immediately returning whatever was "blinked," it returns it at the end of turn (often called "flickering")
This list will go through the most significant exceptions to the rule of commons being cheap draft chaff
Alternatively, if you are interested in which Team Up cards are gaining value, view the trending cards guide
Big beaters like Tarmogoyf had it too good for too long, all hail the 2/2s and below
Adamant There are five courts on Eldraine that constitute "the realm." Each color-aligned court is dedicated to a particular virtue (loyalty, knowledge, persistence, courage, and strength), and each handsomely rewards those who demonstrate dedication to that virtue