There are plenty of ways to get similar play from the top of your library effects these days, and its not that powerful, but it does really bug a certain subset of players to have their cards known
Playing an extra land ramps you, and these decks usually have high land counts
Finally, for the first time ever, a Commander release will have Collector Boosters with special treatments for cards found in the decks
I went from initially thinking it was the best card in the set, to now wondering if it is even playable
Rarity and Balance Shifting our attention to the factors of rarity and balance, its important to note that a cards rarity (common, uncommon, rare or mythic rare) determines how difficult it is to obtain from booster packs
There is no limitation to this, and the player can pick any villain character their opponent has in play and immediately banish them, meaning an extremely buffed-up villain can be done away with in a single action