The new Vault Shopper Set is now available for Super Smash Bros. Ultimate players who are Nintendo Switch Online subscribers. Nintendo Switch Online subscribers can download a “Vault Shopper Set – Classic Tickets & Gold for Music, Mii Costumes and More” for use with Super Smash Bros. Ultimate with 5000 G and Classic Ticket x3 for free. A paid membership is required; a trial membership is incapable of downloading the set.
Source: Japanese Nintendo