Moreover, the decks that Bakis Curse would most be effective against are decks that want to pile on multiple Auras
If the card is in your opening hand, you can reveal it at the start of a game
Theres also the matter of investment, since players with bigger budgets naturally have more cards to choose from which can create a huge gap between players
In Innistrad: Crimson Vow last year, we got a card called Bleed Dry, which is a random, forgotten uncommon that is the same as the front side of Invasion of Innistrad but with the upside of exiling the creature that it kills, and cards like Tragic Slip and Tragic Fall do the same thing for one or two mana if their morbid or hellbent conditions are met
Darkloak is one of the strongest, if not the strongest, stage 1s in the format
Looking up prices tends to make the seller nervous, like you're pulling one over on them, and once they start seeing that TCG-mid is 40% higher than your offer, they are less likely to sell