Very unlikely, unless the cEDH community pushes for it to be done as it would be alternative solution to not banning the Jeweled Lotus and it would set a precedent for future commander cards printed to follow
If a ward creature attacks you can get rid of it through combat damage and block them like a normal attacker
Its one mana, straight to hand
When you can make extra use of the body through equipment or bounce effects the Mulldrifter also goes up in value
In the case of Esika within a Superfriends deck, its alternate side, The Prismatic Bridge, can be used to stellar effect when used within a Planeswalker-heavy deck
First of all, not many people were playing Magic the Gathering when The Black Lotus magic card was released, so they weren't storing the cards as investments