When it comes to authenticating Magic cards a common technique is to weigh the card in question
with MTGs teasing the struggle for balance in Bloomburrow between heroes and calamity beasts, its not hard to tell that Lumra can be categorised as the latter
Collector Boosters Number of cards: 15 Contents: Varies by set, but typically includes foil commons, uncommons, and basic lands
It costs and has the following abilities: You may cast Aura and Equipment spells as though they had flash
Anniversaries create predictable appreciation windows, as the 25th and 30th anniversaries have both demonstrated
The shock lands will hold value for years to come, as long as people are playing competitive Magic, and the serialized cards are always valuable, especially if you get one of those cool numbers like 069/500 or 420/500 (if you pull one of these, please let me know)