Historical Rules · 16 June 2023
Rule 123.2
Official source text from the 16 June 2023 Rules release
Stickers are found in boosters of the Unfinity expansion on numbered inserts. Each insert has a predetermined combination of stickers. Any rule that refers to a sticker sheet refers to the specific combination of stickers found on one of those inserts. Sticker sheets are not cards and have no characteristics. Each sticker sheet can be found at Gatherer.Wizards.com.