The normal Secret Lair cards arent signed, but the signed Magic: The Baseballing planeswalkers appear as the bonus card in a small percentage of packages
If you get a custom Magic card printed, its at best a proxy, and should be fine for casual play
Tidus, Yuna's Guardian is the face Commander for Counter Blitz (green white blue)
Or if you reveal a mutate card, you can mutate onto Illuna, getting access to two more cards from your deck
Many of these premium-styled Commander pre-cons are rocking a heftier price tag than you might expect, so its all the more important that you know exactly what youre about to pick up
You can run out of cards after a few turns, and I never found a good way to draw more outside of Mask of Memory or Howling Mine