You could open an expensive mythic rare or rare and essentially make your money back, but thats never something you should be aiming for when spending your money on Magic
The Power Nine are still played today, despite many bans and their impressive price tags
They were initially Red and run with X burn spells, firebreathing like Shivan Dragon and Fireball or Rock Hydra, and your foes would often hit mana burn
It takes some work to flip them faceup, but its a scary possibility
Rebels can truly punish any opponent who is trying to play a slower game, particularly one based on one-for-one removal, by simply chaining together searchers and making it impossible for their opponent to keep up with a steady stream of creatures
One of the payoffs was Stonebound Mentor, a card that provides some value by filtering your draws throughout the game as you repeatedly exile cards