This is the 2014 Magic Online Holiday Cube as seen here: https://magic.wizards.com/en/MTGO/articles/archive/2014-holiday-cube-card-list-2014-12-08
Above link is dead in 2025, Wayback Machine has it here: https://web.archive.org/web/20150719084810/https://magic.wizards.com/en/MTGO/articles/archive/2014-holiday-cube-card-list-2014-12-08