Sage of Fables is just a good tribal support creature, and has only been printed once
Legendary Creature - Human Cleric Color tag templates(None) Moorland Rescuer When this creature dies, return any number of other creature cards with total power X or less from your graveyard to the battlefield, where X is this creature's power
Indeed, the story and mechanics being so tightly bound together helps the game feel much more considered, and less cynical than it otherwise would have been
Volatile Stormdrake lets you exchange it for an opponents creature, which even means you can steal their commander
Command Tower and Mana Confluence are especially good because they come in untapped
Its flexible activated abilities provide card draw, recursion, and haste, so its a perfect outlet for infinite mana and a reliable way to close games