one night werewolf card sleeves Innistrad: Midnight Hunt Seafaring Standard Deck Protector (100ct) for Magic: The Gathering the picture may not reflect the actual Colour of the item Help with ONUW Cards :

Collectors often store unopened booster packs because sealed products gain value over time

Empty Jar FTK (MD)

However, you cannot use the added cards effect the same turn

Ill occasionally leave high-value cards sleeved for extra protection, but dont leave the cheap cards sleeved, its annoying for those processing the orders

#0491 Darkrai Total Market Price $4,505.37 90 cards priced 2026-07-31 Avg Card Price $50.06 High Card $479.75 Low Card $0.08 Darkrai card prices have gained 112.6% year-to-date and is up 9.9% over the past 30 days, with 90 cards ranging from $0.08 to $479.75

All in all this is a pretty simple way to look at a complicated interaction