You can be sure to receive all the cards you ordered, in the conditions you asked for
The full texts of these abilities are "At the beginning of the monarch's end step, that player draws a card" and "Whenever a creature deals combat damage to the monarch, its controller becomes the monarch." If the triggered ability that causes the monarch to draw a card goes on the stack and a different player becomes the monarch before that ability resolves, the first player will still draw the card
And while you might find an Enchanted Rare in your booster pack, the deck itself doesn't offer collectors much value for money
Final verdict: which Ursulas Return Starter Deck is best
Why its helpful In Lorcana, a character usually cannot challenge an opponent on the same turn they are played
Playing this card as a 1/1 for isnt the end of the world if theyre searching for something, and youll get a guaranteed trigger