To view which cards have been errata’d or changed in their Most Recent Printing (MRP), or to find out when a promotional card becomes legal, please visit www.OracleOfTheVoid.com. You can either search by card title or, in the advanced search options, search all Errata and MRP. Or, you can search the Notes field to find all Promos by the release method or legality date. So if you wish to know which cards came in the 2012 Kotei Pack, search the Notes field for 2012 Kotei Pack.