It takes playing with the deck a handful of times to feel the synergy of a deck in battle, so players shouldn't feel bummed out when they realize that a deck isnt working as well as they thought it would
If however you accidentally made a mistake, and changed your mind on your pre-order, you have a 3 day grace period to change your mind
Toploading Double-sleeving with toploading perfect fits provides great protection
TCG, decided to make retrains, or new versions, of his old cards
Basically, while the actual milling effect of Compelling Argument isn't good, it's a fine card thanks to the ability to turn it into a more useful card for just one mana, while also giving us some late-game upside of milling our opponent when they are almost out of cards
creatures die constantly in Commander games, and guaranteeing value from your mana investment before it shuffles off to the graveyard is irresistible