Its not super-exciting, as you frequently want your sideboard interaction to be streamlined and efficient, particularly when combating problematic artifacts and enchantments
After that, your opponent is forced to discard a card from their hand, a strong ability to run your opponent out of resources
Non-foil source material cards are available in Play Boosters and Collector Boosters, but traditional foil source material cards are only available in Collector Boosters
Games of Magic involve a lot of card handling, between tapping, drawing, and especially shuffling
Respect your illustrators
Getting free spells every turn is good, and once this card is on the battlefield, your opponents are in trouble