It would be possible to compute the hash on the fly, but pre-hashing the reference set significantly improves the performance while running the detector
Once the card is defeated, you can then flip it, and cast the backside, revealing your reward
Also shown off were two upcoming legendary creatures, which can be used to head up players Commander decks in the popular format
What also exists is an urban legend of players tearing their copies of Chaos Orb into multiple pieces and throwing them all around on the table, and each piece of the card would count as the card
Personally, if Im buying a high dollar ungraded card that I might have some questions about, the Authenticity Guarantee might be enough to push me over the line
Certain cards in Magic had become staples of the game and they were important enough that Ice Age couldn't function as a stand-along set without them