Of course, that's a little bit of the fun, and why the card selection process is so much different than in a standard person on person game
Guardian of Faith is my pick for one of the best new white cards in a while, and you can read my thoughts behind why designing for Arena is actually a boon to EDH here
Yes, there are multiple rarities of Pokemon cards beyond rare, and youre not guaranteed to get a Hyper Rare card (the highest rarity) even if you buy an entire box of booster cards
In a similar vein to Xantcha, Sleeper Agent, this legendary creature makes an opponents creature an active detriment to their board state, and it incentivizes them to pay 3 mana to get rid of it and give the rest of the table a card
The price of Urzas Saga is sitting at $28.95, making it the second most expensive original card in the set
Here's how much the most expensive batch will fetch you as of this writing