1254484:Since you get to keep the lootcard from the packs you open BUT don't get to keep the cards, you would get an unfair advantage if you registred 6 boosters all with lootcards in a sealed (Highly unlikely, but none the less) and then got to 6 boosters with no lootcards, now you would have 6 more cards than the others. Hence the rule!
That's incorrect. Loot cards replace heroes, which don't get registered anyway. Regardless, the change isn't keeping your loot cards in Sealed/Draft, it's not being able to play with unscratched ones in Constructed and the reason for the change hasn't really been explained.
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