Void Snare

In Commander, Void Snare occupies the bottom rung of the bounce hierarchy — useful in budget builds or when you need a ninth piece of interaction, but it competes with Rapid Hybridization and Cyclonic Rift for slot space and loses most of those fights. Pauper is where it earns genuine respect: the common card pool makes one-mana answers scarce, and hitting any nonland permanent is a meaningful edge over more restrictive options. In Legacy, Modern, and Pioneer it's essentially unplayed — those formats have access to Brainstorm, Spell Pierce, and better tempo pieces that make a sorcery-speed bounce look embarrassing. Vintage has no interest in it for the same reason.