Urabrask rewards you for casting spells by giving you extra mana
The Great White Way Archived August 22, 2022, at the Wayback MachineTrue Blue Archived August 22, 2022, at the Wayback MachineIn the Black Archived August 22, 2022, at the Wayback MachineSeeing Red, It's Not Easy Being Green Archived August 22, 2022, at the Wayback MachineJust the Artifacts, Ma'am Archived August 22, 2022, at the Wayback MachineMidas Touch Archived August 22, 2022, at the Wayback MachineThe Great White Way Revisited Archived June 7, 2021, at the Wayback MachineTrue Blue Revisited Archived June 6, 2021, at the Wayback MachineIn the Black Revisited Archived May 31, 2021, at the Wayback MachineSeeing Red Revisited Archived May 31, 2021, at the Wayback MachineIt's Not Easy Being Green Revisited Archived May 31, 2021, at the Wayback Machine 1 2 3 4 5 "What do the different Magic: The Gathering mana colours mean?"

Importantly, Baron Bertram does not require a creature token to enter the battlefield, so it also works well with Treasures, which you can then sacrifice to draw cards as well
This rumored remake, however, is supposedly going to give the game a major graphical overhaul, potentially on par with the Final Fantasy 7 Remake trilogy
Cheating big creatures into play on the cheap is always a lot of fun