There isnt much of an instant/sorcery theme in Murders at Karlov Manor, and even if there was, the ask from Kylox, Visionary Inventor would likely be too great
Alela does have another very unique ability, though
Oath of Druids and Tinker may get more notoriety but Shelldock is the real big name in cube
If you need to draw and youve run out of cards in your deck, shuffle your discard and place it face down as your new deck
They have a high number of black cards to evoke Grief easily, but theyre also grindy enough that they wont have an issue just casting it for full retail later in the game
Normally a generic draw-2 wouldnt even be close to playable in this type of deck, but specifically Stock Up gives you a whopping 33% chance to see any card in your deck that youre playing 4 of