This is the only device built specifically for cards, from Heystack (heystack.tech)
Environmental Sciences can make a risky two-land hand keepable in the early game, or be cast for free in the late game, and Sorcerer Class is card selection early on before turning all of our creatures into mana dorks for spells
1 Virtue And Valor Wilds Of Eldraine Our pick for the best Commander precon for new players is Virtue and Valor from Wilds of Eldraine
Identifying rares can be tricky, especially online, so its recommended to either find a way to look at the card in person at a fair like the Trading Card Game Shows hosted over the country, or buy through a reputable seller like Magic Madhouse support team ready to help you out should any problems arise
Faceless Haven seemed to only see play in specific mono-colored snow decks that could support it, but I assume the Sanctuary will see play in a broader range of decks, including control decks that can handle having lands that only produce colorless