One week youve got twenty cards sitting neatly on a desk, and a couple months later theres stacks on shelves, booster wrappers in drawers, and somehow an Elite Trainer Box (ETB) full of duplicates
#1 Monster Manual Monster Manual is a super strong Commander card, and it comes in at number one on this list
As such, this cost is hardly a downside
In short, this can really let you pop off a big turn by exiling several things, and if that wasnt enough to get you there, it will generate some nice value
My basement's humidity is close to ideal for storing the cards
First is Pegasus Coursergiving knight flying is the best way to avoid the pesky cheap ground blockers, and if your knight is trading with a flyer then youre likely coming out ahead on the exchange