Agate Instigator is a Rare trading card from the Commander: Bloomburrow set in Magic: The Gathering, currently valued at $4.66. Over the past 30 days, its market price has decreased by 8.6%, reflecting a slight dip in collector interest. The artwork by Quintin Gleim adds visual appeal, while its unique mechanics may attract players looking to enhance their decks within the format. Collectors should consider its current value and market trends when evaluating potential purchases.