If a player wants to get the most use out of their best spells, they have to let another player wield them as well
Beyond Manchester: On the Road to Collect-A-Con Collectible Tags isnt just making waves locally
That last one would prove to be a problem, actually, as the Commander 2013 cycle of Curses would encourage the table to attack that player to gain an advantage, which Gavin Verhey has since realized was a mistake
You can even potentially win if you manage to put your win conditions as well as cheap mana sources into your hand with the cards you exiled with Necropotence
Finally, Trace of AbundanceTrace of Abundance ramps us while protecting the land it's attached to
As this method is somewhat tedious, I have only analyzed the uncommons of three sets so far: Gym Heroes, Neo Destiny and Expedition (despite this set only having two uncommons per pack, it seems to have worked out since there are not many repeated sequences)