Atraxa triggers at your end step, proliferating up counters on each of your turns
It aggregates completed sales and active listings from eBay, Goldin, Alt, Fanatics Collect, and Heritage into one searchable database, letting collectors and investors compare PSA, BGS, and CGC prices side by side, spot underpriced listings, and track market trends as they happen
If less destruction is more to your liking then black also has Barter in Blood and Innocent Blood, both of which happen to be the ever important sacrifice instead of destroy
For double the mana investment and at sorcery speed, you get a 2/2 creature with a slightly more defensive version of Silences effect stapled to it as a static ability
The back is actually a Magic: The Gathering card, the border is gold instead of the usual yellow, and the front is foiled
At the top end of the spectrum, NM copies have sold for a variety of prices, some trading for $6.10, with others around eight dollars, with some as low as $3.50