In fact, players will have to play all Standard games with Thalia, Heretic Cathar in mind, making sure to sequence lands in a specific order, which is already a nightmare with Shadow lands and Battle lands to worry about
There's also a lot of classic Amethyst bounce back, ensuring your characters that are banished in challenges return to your hand, meaning you're hopefully never short on a supply of characters to get onto the board
For dedicated mill decks, like my Millmeoplasm, this card makes a great deal of sense
A booster box has 30 packs of 12 cards each, for a total of 360 cards (you of course will end up with some duplicates and lots of cards you still dont have, since cards have various rarities)
The same is true for Wilds of Eldraine, the highly-anticipated Standard release that hopes to offer something different compared to Throne of Eldraine, which managed to disrupt various formats in the process