Cards which do take a little extra work or lateral thinking to make good, which thrive on sneaky alternate uses or unusual interactions and combos
While Carmen is undeniably powerful, she'd benefit more from a deck that's primarily focused on causing players to sacrifice cards and not necessarily a Vampire-themed token deck
There's certainly an argument for this as Tinker has led to some of the most broken decks ever, still sees play in Vintage despite being restricted, is a staple of Vintage Cube, and is banned in several formats
Deputy removes virtually anything in the early game that's going to cause you headaches like Conclave Tribunal, Search for Azcanta, and any other creature you'd like to assume room temperature
If you get a custom Magic card printed, its at best a proxy, and should be fine for casual play
So which abilities are you going to copy