The down side is that you take 1000 points of burn damage during each of your standby phases as long as it is face-up on your field
Focus on improving the deck's overall synergy and consistency by incorporating cards that complement your existing strategy
It also has one sub-archetype ("Red Dragon Archfiend") and several sub-series, such as the Skull Archfiends
I did not spend a single penny of my own money, nor did I receive any currency or booster packs through a media contact, but by the time Id played an hour or so of the game Id already amassed a good enough collection to create several different decks that actually won me games against real human opponents
It scales especially well in Commander since you have more life to pay
If your collection is old and large enough, its very likely theres many cards in this pile worth 1-5$ so you are definitely leaving some money on the table but if you arent knowledgeable enough to spot these cards at a glance, its probably not worth it to enter all this into a tracking software, especially if you have no interest in selling single cards online