Oh ho, time to rules lawyer.
,
RAW monk unarmed attacks only *count* as magical weapons for hitting, it doesn't specify that they are actually magical and therfore affected by antimagic field.
So then the ultimate lich killing team (-- I'm seeing a feature film here--). A wizard with only one spell prepared 'Aunty Magik'. And his buddy, the monk, 'Gnads McFeet'.
A buddy comedy for the ages.
AD