As the term "looter" took hold, we started using it on cards that looted in a Magic sense and often those creatures had nothing to do with looting in the normal definition of the word
I will say Blue is probably lighter on expendable things to Bargain than any other color it doesnt have much in the way of treasure or food, and it even has fewer role tokens, so this wont work out quite as well as some other Bargain cards in other colors
Awaken the Maelstrom Baleful Mastery Black Widow, Agile Avenger Booby Trap Consecrated Sphinx Defacing Duskmage Faerie Mastermind Fate Unraveler Infernal Offering Kederekt Parasite Leela, Sevateem Warrior Malignant Growth Mathas, Fiend Seeker Mind's Eye Mind's Eye Nekusar, the Mindrazer Norn's Decree North Pole Research Base Notion Thief Ob Nixilis Reignited Ob Nixilis, the Hate-Twisted Orcish Bowmasters Pendant of Prosperity Razorkin Needlehead Red Death, Shipwrecker Saltwater Stalwart Sapphire Charm Sazacap's Brew Scrawling Crawler Sheoldred, the Apocalypse Smothering Tithe Tataru Taru The Unagi of Kyoshi Island Thief of Existence Trouble in Pairs Underworld Dreams Wedding Ring Xyris, the Writhing Storm Zurzoth, Chaos Rider
Ungraded & graded values for all MTG JOU Magic Cards
With all of the explanations out of the way, lets get into it
Delney, Streetwise Lookout A commander that encourages playing small creatures is a great start to a strong, aggressive strategy since that naturally pushes you to build a low-curve deck