Nintendo Switch OLED with Online 12 Month Family Membership Bundle NS-HEGSKAAAA White - US
USPS Mailed* Nintendo Switch Online Family Membership 12 Month Code | eBay
Online + Expansion Pack Family Membership - Nintendo Switch [Digital] - Walmart.com
Nintendo Switch gift cards: where to buy Switch Online memberships and eShop credit | GamesRadar+
Membership options | Nintendo Switch Online | Nintendo
Nintendo Switch Online Membership - 365 dní Family od 34,06 € - Heureka.sk
You need a paid membership to Nintendo Switch Online to play course world in Super Mario Maker 2. Pretty sure you could access course world at no extra cost in the original