Looking for a way to quickly move items from one grid to another via keyboard shortcuts.

Can see two ways currently:
1. Set up auto-assign rules based on specific 'tokens' in the item text. To switch an item from one grid to another, edit the item text, type in the token text, type Enter. Let the autoassign-rule remove the token from the item text, assign the new grid and un-assign the old grid.
2. Via the properties pane, but navigating to and setting values for certain fields this way seems rather complicated.

I can work with option number 1, I guees, but perhaps a kind of command line control that could be shown / hidden would be useful? In it, I might want to type a certain syntax like "+fieldX -fieldY -currentgrid" to assign a "true" value to "fieldX" and remove any value for fieldY plus the currently open grid.

But perhaps there is already a more appropriate method I am not aware of... Any thoughts?

Many thanks!