The Slow Elf’s Tale. Gather ‘round, boys and girls and let me tell you about how we did company Christmas, excuse me, Mutli-Denominational Winter Holiday (MDWH) cards in the olden days. Horizontal blinds across the land would be decorated gaily with dozens of MDWH cards in the knowledge that Santa would give more presents to the people with the most cards. Well, kids. Really? Exactly.