If you are willing to pay for the service, Beckett has been an industry standard for trading card valuation (well beyond just MTG) for generations
Chart shows the price of Forbidden Droplet MP22-EN254 at the end of each month going back as long as we have tracked the item.
Or you could try Sazhs Chocobo into Sidequest: Raise a Chocobo, play Prishes Wanderings or Summon: Fenrir as a reasonable turn three combat enhancer, and then drop turn four Summon: Fat Chocobo and flip your Sidequest for an almost unbeatable board lead
1 Trainer, Pokmon (2017) Pokmon World Championships Promo graded CGC 8 (lot 47) that realized $57,044 All prices realized include a buyers premium.
The Top has 69,086 cards registered over at EDHREC.com, and since it's colorless, that's an 8% rate in every deck ever
The professional card stock, the magnetic case packaging, and the sharp full-color print combine to make something that feels like a premium gift rather than a DIY printout