Skirk Prospector is either feast or famine when it comes to deckbuilding
The Planeswalker Lolth, Spider Queen gains a loyalty counter every time one of your creatures dies, with loyalty abilities that spend one life to draw a card (+0), spawn buffed-up Spider creature tokens (-3), and create an Emblem (appropriately at a loyalty cost of -8) that, if you did an opponent anywhere between one and seven combat damage in a turn, bumps that damage up to eight
My takeaway is that the evaluated booster boxes outperformed other investment vehicles with less riskiness
In any case, a few good sacrifice outlets will let you trigger Shadows draw on demand
Still, Zombies in EDH die so frequently that limitation is probably necessary to step Wilhelt from being game-breaking
Pause or screenshot below to see which Mega EvolutionPitch Black card you get