Use Tasha’s Cauldron of Everything version directly.
The Rogue Subclass Thief Feature Use Magic Device allows a character to bypass the Magic Item Tier requirement.
The Rogue Subclass Thief can use the bonus action granted by their Fast Hands feature to retrieve or stow an object inside a magical container such as a Bag of Holding as well as to use or administer a potion.
We have the additional subclass option of the Lucky Devil that you may choose:
https://www.monkeydm.com/post/rogue-lucky-devil-subclass-dnd-5e