Elf typal is off the table, since as a mono-black commander theres no green in the color identity
So far in 2020, we've been averaging about one per month (and if you go back to the initial release in December, we've actually had 13 individual drops in three months, making the average closer to four drops per month since the series was announced), although the average is somewhat complicated by how you count themes that come with multiple drops, like the original Theros Gods during Worlds in February (technically, the Gods were five individual but related drops, although there is an argument for counting them as one big drop since buying all of the drops together was an option)
Adding the gorgeous secret rare gold foiling to that, Houndoom becomes a chase card for sure
Creatures like Looter il-Kor, Putrid Imp, Oona's Prowler, and Fauna Shaman can first get your reanimation target in the graveyard, and then sacrifice itself to your Recurring Nightmare to complete the combo
What the Data Tells Us Stepping back from the individual card entries, the PSA population data reveals several broad, interconnected themes that are essential for understanding the current state and trajectory of the Pokemon collecting hobby
I hope to see your version of this very cool Cat Warlock at a table one day
