MTGs Wilds of Eldraine is already making waves by bringing back powerful enchantments in its Enchanting Tales bonus sheet
They work the same as the Case cards from Murders at Karlov Manor, in that they provide rewards at the end of your turn if you manage to complete the task during that turn
They can block Jhessian Thief, but its much more likely to survive combat, trade, or even eat a blocker when necessary
If you read my article last week and are hoping I dont mention Limp Bizkit again, dont worry, I wont even type the words Limp Bizkit except earlier and also just like a second ago when I typed Limp Bizkit again
Thats a really cool set of interesting challenges to want to overcome and to do it all in mono-black, too
youre likely to get that mana back as treasure straight away thanks to menace, and youre getting a card when the creature inevitably dies