The second half of DT05-EN came out 9/29/11. It seems all references to 'Ceremonial Mirror' are 'Aquamirror' in the TCG. This card's TCG name is "Gishki Aquamirror".

http://www.ebay.com/itm/GISHKI-AQUAMIRROR-DUEL-TERMINAL-COMMON-NEW-DT05-EN091-/300604938848?pt=LH_DefaultDomain_0&hash=item45fd735a60#ht_735wt_779