mtg retro frame cards [FOIL] Emeritus of Ideation (Retro Frame) (Serial Numbered) (Double Rainbow Foil) - Secrets of Strixhaven: Extras - English - NM The vines overgrew the construct Ain't That a Frame

While it can be used to save a couple of creatures from combat or spot removal, there are really two main scenarios which justify including it

We don't yet know how many Room cards Duskmourn will provide, but we've already seen artwork and names for plenty, with Grand Entryway/Elegant Rotunda, Dollmaker's Shop/Porcelain Gallery, Painter's Studio/Defaced Gallery, and Moldering Gym/Weight Room all teased

This will help you cast your spells ahead of time, and let you cast multiple spells sooner

Wizards deliberately leaves room in preconstructed decks for players to upgrade this drives singles sales and gives players a natural progression path