If you do, search your library for a creature or basic land card, reveal it, put it into your hand, then shuffle
It doesnt get much cheaper than zero mana, and if youre playing any deck without an abundance of great removal, then it makes perfect sense to sideboard in a pair of Gut Shots in order to Time Walk your opponents Noble Hierarch, Champion of the Parish, Vault Skirge, Signal Pest, Steel Overseer, or other annoying X/1 creature
Originally printed in 2012 in Avacyn Restored, this one-mana 1/1 Human Shaman creature provides a fight on demand, as all it requires is one colorless mana, one green mana and a tap in order for one of your creatures to brawl with one of your foes
Hall of Torment Plane: Ushval When you planeswalk to Hall of Torment or at the beginning of your upkeep, you may draw a card, if you do, discard a card
Maybe just this once.
Historically, Lucario cards hold their value well, especially in alternate art