$0.49 Havi, the All-Father Universes Beyond: Assassin's Creed $1.99 Hajar, Loyal Bodyguard The Brothers' War $0.39 Arvad the Cursed Dominaria $1.79 Vraska Joins Up Outlaws of Thunder Junction $3.49 Annie Joins Up Outlaws of Thunder Junction $1.29 Jhoira, Weatherlight Captain Edge of Eternities Commander Decks $2.79 Kellan, the Kid Outlaws of Thunder Junction $0.79 Serah Farron Final Fantasy $1.99 Primevals' Glorious Rebirth Dominaria $0.99 Heroes' Podium Universes Beyond: Doctor Who $0.39 Great Hall of the Citadel The Lord of the Rings: Tales of Middle-earth $0.59 Vega, the Watcher Kaldheim 0 results found
Number 338 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) You can't use the reflexive triggered ability to try to attach an Equipment to a creature if that Equipment can't legally be attached to that creature
These cards feature digital-only mechanics to give you the jump (scare!) on your opponent
Of course, there are also rare promo cards
UPDATE: Mark Rosewater revealed that the playtest cards are only in the Convention Edition of Mystery Boosters