This card is certainly powerful, but its understandable why players may be uncomfortable putting it in their decks, hence its inclusion here as an honorable mention
Even discounting Skullclamp ($1.99) and Sol Ring (which is in every Commander 2017 deck but, as the most played card in Commander, is still worth $3.27, even with a ton of reprintings), the Vampire deck is overflowing with artifact value, with Door of Destinies being the single most valuable colorless card in in Commander 2017 at just under $6, along with Well of Lost Dreams and Blade of the Bloodchief, both coming in between $3 and $4
If all are printed equally (which is generally assumed), you have a 1/120, or 0.0083% chance of opening the $50 mythic
Use sleeves and card protectors to maintain its condition
A deck also contains a foil-etched display commander