First of all, the current listings (for the most part) seem ambitious when compared to the last sold listings and that tells me something about how I might want to list my card if I'm looking to sell it quickly
Mardu At the beginning of your end step, if a creature died under your control this turn, each opponent sacrifices a creature of their choice
Grading systems have been established to help collectors get value for the price they pay, and in 2020, a number of prized cards sold for five figures or more
Besides that, there are a few more lands that players should always include
Icing on the cake
Legendary Creature - Human Assassin Shay Cormac : Permanents your opponents control lose hexproof, indestructible, protection, shroud, and ward until end of turn