Each theme has a small number of possible card sets on that theme, distributed on a rarity basis, such that the specific booster that a player purchases will still be a random selection
These are the best Magic: The Gathering cards of 2021: Hullbreaker Horror Vanquish the Horde Werewolf Pack Leader Faceless Haven Esika's Chariot Goldspan Dragon Alrund's Epiphany Hullbreaker Horror Any creature card that costs seven mana has to make a splash, and this beastly behemoth sure earns its keep
The Mega Charizard X ex MUR from Inferno X launched at 100,000 and has climbed to 138,000 after months of steady appreciation
Pokmon TCG: Sword & Shield Silver Tempest Sleeved Booster Pack
not drawing the most important cards, never getting some way to easily add them to the hand, or straight-up bricking (a term which means that you have no way to play any card in your hand at that moment, therefore youre stuck)
I love evoking it out and then drawing two cards right before I cast a sweeping recursion spell like Living Death that brings it back for another two cards