At the very least, you have a consistent way to sacrifice the lands you control to generate additional value
Fetchland Propaganda! , I hear you cry
For seven, it clears every nonland permanent your opponents control
Five mana to pay for a wish/learn effect seems quite bad, but I suppose is forgivable due to its versatility
Youre looking for a lot of the same support youd want in a Phenax, God of Deception or Doran, the Siege Tower deck: things like Nyx-Fleece Ram or Caelorna, Coral Tyrant
Priest of Forgotten Gods The most powerful cards in Magic tend to be ones that generate multiple resources at the same time, or ones that reward you for taking the game actions that youd be taking regardless