1995 Topsun Holofoil Charizard: $37,600 Anything that can tie the different Pokmon media together is a money-maker, and the promotional Topsun Holofoil card packs from 1995 did just that
However, disruptive effects which can simply destroy "Magician of Faith" without being flipped, the increasing number of cards which can only use one copy and/or effect per turn, and overall recent builds which doesn't really need to retrieve a "Mind Control" as they can easily find another way to get out of a tight situation is not that "Magician of Faith" became less reliable, but rather far less necessary compared to the old times where variety was scarce

Characteristics of Green Can easily include Training and Memory Boost Many evolution cost reductions, increasing speed Abundant ways to cover DP Few ways to remove Difficult to differentiate from competitor Duftmon Characteristics of Black Strong de-digivolution and removal Abundant blockers and attack redirection Few ways to reduce evolution cost, making it slower Can perform unique moves because there are no competitors (Mamemon...?) It seems that the problems of speed and DP can be covered by Green, and the problems of removal and resistance can be covered by Black
But without Food and Fellowship
What attacks does Tropius have