How about Teferi Akosa of Zhalfir
They can still be played in the official card game, but some players may want to remove the ability to play with promotional cards to keep gameplay more official
Simic basically has it all
Five Ways To Make Money With Magic: The Gathering For most people Magic: The Gathering is a hobby - Something that brings enjoyment, an opportunity to play with friends, and the challenge of building and playing decks in such a complex game
The front side had a sun symbol before the card title and a subtle indicator on top of the power/toughness box, while the backside had a frame somewhat similar to the timeshifted ones, with a moon symbol before its card title and a color indicator before its card type
Use it on your stuff, and when phased out, cast something like Armageddon or Epicenter