You end up with a low-resolution JPEG that looks fine on a phone screen and embarrassing in your hand
Its a shame I made the one of each Planeswalker rule for myself because Ajani, Mentor of Heroes isnt a slouch in a Planeswalker deck either
Across all the types of cards you'll want to include, there is a "meta-class" of cards that can guide you: Commander staples
That means the overall card has a red and white colour identity, so can only be used with Commanders that have red and white in their colour identity (Boros, Mardu, Naya, or Jeskai)
Instead, he found that it wrenched his mind from his body and flung it into the screens of the House
They're already in the red zone when they appear, so you don't "declare" them