Copy-paste Anti-Magic Zone macros for Death Knight in WoW Midnight: cursor and self-cast versions, ready to use. Add Shift/Ctrl/Alt spells, raid markers and a chat callout in the macro builder.
Open the macro window (/macro), make a new macro and paste: #showtooltip /cast [@cursor] Anti-Magic Zone
Open the macro window (/macro), make a new macro and paste: #showtooltip /cast [@player] Anti-Magic Zone