A new 2020 Minnie Mouse Limited Release MagicBand graphic design is now out and available at Walt Disney World. This band also features Spaceship Earth from Epcot. This costs $29.99 and will be available the entire 2020 year. The barcode SKU is 400916816977.
This MagicBand is not available from Disney directly online, but you can buy it from eBay by clicking this link which will take you right to the product listings (if any are available).