For what its worth, you could also get the opposite scenario, though it is significantly less likely to find a stacked booster box than a dead one
Kaalia, of the Vast Angels, Dragons and Demons are among the most popular creature types in the game
The 1st edition stamp is fairly self explanatory, it means it was part of the very first print run of Base Set back in 1999
If you gain control of a permanent "until end of turn," that effect will wear off during the cleanup step, after the end step
Stronger creatures on board lessen the chance of opponents blocking and losing their staple components
However, you won't care about that if you pull this stunning enchanted card from an Attack of the Vine pack