It can transform creatures (Ambitious Farmhand), give your creatures combat buffs (Duelcraft Trainer), or let you draw cards (Leinore, Autumn Sovereign)
Connive // Concoct Connive // Concoct Dimir Spybug Dimir Strandcatcher Discovery // Dispersal Discovery // Dispersal Disinformation Campaign Drag the Canal Eloise, Nephalia Sleuth Golbez, Crystal Collector House Guildmage Kaito, Bane of Nightmares Lazav, the Multifarious Lydia Frye Master of Death Mind Drill Assailant Mirko, Obsessive Theorist Notion Rain Skullsnap Nuisance Thought Erasure Ultimecia, Time Sorceress Whisper Agent
Origingally printed in Modern Horizon 2, this creature quickly found a home in burn decks as well as blue/red combo decks
Another strong Pokemon-first option is pkmn.gg, which is free and partners with TCGplayer for same-day pricing
Use cheap equipment options like Golem-Skin Gauntlets that benefit from having multiple equipment attached to Kemba or equipment like Robe of Stars to offer Kemba extra protection to make sure her upkeep ability triggers
Products like the Elite Trainer Box still go quickly, but stores with these displays are putting out more of them