Cards that were produced in limited numbers, such as tournament prizes or special promotional releases, tend to be much more valuable due to the difficulty of obtaining them
If you're not doing something illegal or damaging the booster pack in any way, I don't see any problem with taking advantage of an obvious flaw in the system and stacking the odds in your favor
Overall, Ghost Sister & Spooky Dogwood is one of the more niche "Ghost Girls" , but it still has a place in the meta
In this slot of your booster, you will get one of 30 rare Mystical Archive cards or one of 15 mythic rare Mystical Archive cards with a foil-etched treatment in either their global or Japanese alternate-art version
5 Saryth, The Viper's Fang Saryth, The Viper's Fang can be played as a Commander, but it's an amazing card in the 99 as well
That holds true for Kyogre V from Crown Zenith