You can usually avoid this by looking at their feedback for a history of problems or a lack of overall account history (0-5 feedback and/or a newly created account)
This guy was built for Commander despite his only printing coming well before the formats popularity and his asking price is still under $10
For example, card draw (Cunning Rhetoric, Enchantress's Presence) removal (Grasp of Fate, Cast Out) and bodies (Sigil of the Empty Throne, Sandwurm Convergence)
In human typal decks, youll want cards like Champion of the Parish and Thalia's Lieutenant
As well as looking the part, many of these cards fit their theme mechanically
She gains Time counters for all the other suspended or vanishing cards you have lying around, becoming more powerful as she does so