All the usual mono-black suspects fit in here, from Entomb and Demonic Tutor, to Stinkweed Imp, to Reanimate, to Cabal Coffers
You are rarely neutral about it
The plot is really important in Whispers in the Well, with lots of threads to follow through different cards
When your (real-life, paper) battlefield is covered in creatures, its easy to forget which ones can be boosted once youve assigned them as blockers, or sacrificed at the end of your opponents turn to smash in more damage before your untap step
7 Aladdin, Heroic Outlaw The second of the Emerald/Ruby decks face cards, Aladdin is a great way to pull an opponent storming ahead back down to earth
Fateful Absence is a two-mana White instant that allows you to destroy a creature or a planeswalker, and then the controller of that permanent creates a clue token