There are a couple of bonuses that we can make use of, but I dont think its enough to make Stuck in Summoner's Sanctum more than just a moderate playable
Goldspan Dragon Goldspan Dragon is a fairly-sized dragon with haste that gives you Treasure each time it attacks, and doubles the value of your Treasures
You can choose any player who has a counter, including opponents
But when you can be casting creature after creature that draw you cards, ramp you lands, and remove problems from the board, the fact that this relies on combat damage just gets to be kind of a nuisance
Into the Inklands sapphire cards continue this trend by introducing a collection of new cards that take more advantage of the item cards in the game, as well as providing excellent opportunities for card draw, gaining more ink and cards that just have great stats
These all appear at equal rates and are all in chocobo track foil