It's one of the best reasons people run the Snow archetype in the beginning, and it remains a powerhouse to this day
Helpful external references For official background and broader context: Frequently asked questions When can I pre-order the Pokmon Pitch Black booster box
As printing techniques improved, card manufacturers were able to create more detailed and vibrant artwork
Also, if we can turn Karn into a creature, and then sacrifice him, we will have a creature with loyalty abilities that cant be attacked
Its sacrifice ability can be used to protect one of your more valuable legends in a pinch, like Jodah or Rona
This has included updating how duplicate protection works, how different print versions are displayed, the ability to favorite styles, adjusting the rarity of Special Guests cards to match their historical rarities, and more