Drawn, revolutionary illustrations on Christmas cards, possibly? (6)
I believe the answer is:
traced
'drawn' is the definition.
('trace' can be a synonym of 'draw')
I cannot understand how the remainder of the clue works.
(Other definitions for traced that I've seen before include "Copied by drawing on a transparent sheet placed on top" , "Followed the tracks" , "Found after a search" , "Outlined or tracked back" , "Followed and found" .)