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
Spun from part one of the DLC, The Teal Mask, its Booster Box includes 36 booster packs filled with cards added to the game via the expansion
As a Pokmon ex, it offers powerful attacks and abilities, balanced by the strategic cost of giving up two Prize cards when Knocked Out
Damage doublers/amplifiers are your best burn payoffs
However, in a deck where targeted removal is worse thanks to hexproof, its worth a second look
Nothing comes close, to the point that Ancestral Recall is among the most restricted cards in MTG: It's banned everywhere save Vintage, and in that format you can play just a single copy