St. Alpius the Iconographer:  this saint was not well know in his day but his icons often were blessed with miracles and when ill, angels came and completed icons for him.  Would the work we do for the Lord be ‘good enough’ that it would be worthy of an angel completing it?

http://oca.org/saints/lives/2015/08/17/102310-venerable-alypius-the-iconographer-of-the-kiev-near-caves

http://images.oca.org/icons/sm/august/0817alypy-iconographer-pechersk0020.jpg