This is insanely powerful on its own, and it does not require a player to expend much effort to exploit it
So I would be surprised if there were any negotiations for entering into merchandising licensing agreements until 1996
Thought Erasure is joined by Search for Azcanta to give any Esper Control player an all-upside early game, hitting land drops, removing threats, and transforming our enchantment to a powerful card advantage engine in the late game
Descend is a whole mechanic that cares about permanents you own going to the graveyard, and caves that have a sacrifice ability give you another way to get some permanents in there
Once you get enough mana to unlock Fractured Realm, you can double all triggers from your permanents, be it enter triggers, death triggers, or attack triggers, and thats frankly unheard of in MTG