The only really viable deck for the Treasure Mage is a big mana artifact deck for which there are so many options on very powerful cards the Mage is frequently sidelined
I once used it on a single player's Academy Ruins, Mind's Eye, Akroma, Angel of Wrath, and Sylvan Library
In FF7, this creates an epic boss battle that can be somewhat difficult depending on how early on you take the fight in the original game, and how prepared you are in Rebirth
Its a similar design to Phyrexian Scriptures, though Id want the Ring-bearer text to matter before I sleeve this up
On top of it all, this Naya warrior can untap your creatures, too
There are also some familiar faces and monsters in here that enhance the whole experience for Baldurs Gate and D&D fans