Your search for "Sextet Summon RIRA-EN066" revealed the following:
Sextet Summon - RIRA-EN066 - Common - 1st Edition from Rising Rampage 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Banish from your hand, GY, and/or face-up field, 6 monsters (1 each Ritual, Fusion, Synchro, Xyz, Pendulum, and...
Sextet Summon - RIRA-EN066 - Common - Unlimited from Rising Rampage Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Banish from your hand, GY, and/or face-up field, 6 monsters (1 each Ritual, Fusion, Synchro, Xyz, Pendulum, and Link), each...