MIT Mystery Hunt 2020/Witches' Hut

Witches' Hut is the metapuzzle of the round of the 2020 MIT Mystery Hunt.

Puzzle Elements
Metapuzzle (Shelled Meta) - The puzzle is presented with a poem as the shell.

Flavortext - Business at the Witches’ Hut is brisk, but what do they need more of?

Knowledge Required (Literature, Shakespeare) - The first two lines of the poem are copied straight from Act IV, Scene 1 of Macbeth; these lines preface the famous passage beginning "eye of newt and toe of frog". The witches appear to be adding the answers to their brew, hinting that...

Meta By Association - ...the feeders to this puzzle are able to be expressed similarly, as a metaphorical "body part" of some other noun:


 * ALABAMA = HEART OF DIXIE
 * AMENDMENTS = BILL OF RIGHTS
 * BUREAU = CHEST OF DRAWERS
 * CHARACTER FLAW = FEET OF CLAY
 * CORNUCOPIA = HORN OF PLENTY
 * GRACE UNDER FIRE = NERVES OF STEEL
 * HANGOVER REMEDY = HAIR OF THE DOG (that bit you)
 * LAUGHINGSTOCK = BUTT OF THE JOKE
 * LEGAL BALANCE = SCALES OF JUSTICE
 * LOCALITY = NECK OF THE WOODS
 * MONARCH = HEAD OF STATE
 * RESCUE DEVICE = JAWS OF LIFE
 * ROUGH CALCULATION = BACK OF THE ENVELOPE
 * SKEINS = BALLS OF YARN
 * THORNY ISSUE = BONE OF CONTENTION

Reordering (Alphabetical) - The meta also has a note to keep the answers in alphabetical order. The poem has flat-like blanks, symbolized with bolded letters A-O; the letters are associated to answers using alphabetical order.

Indexing - The poem also conveniently includes numbers for indexing with the letters—of course, into the X of Y phrases. Reading the letters in poem order produces the answer.

Asked and Answered - As with most metapuzzles, the solution to this metapuzzle answers a question in a punny way—in this case, what the witches need more of.