Flipping Clive gets you a 9/9 that fights a creature right away, for example, while flipping Sephiroth gets you a Blood Artist Emblem
Then it was elevated to a proper, full set with The Lord of the Rings: Tales of Middle-Earth , based on Tolkiens Legendarium
The set introduced role tokens, and has other great cards such as Stroke of Midnight, Blossoming Tortoise, Agatha's Soul Cauldron, and a cycle of strong virtues
It comes with its own role to fight with, but putting additional roles on it down the line gives it more fodder
Arcane Wizardry From what I experienced, Inalla was much better than I thought it would be, but only if you drew fewer legendary creatures and more Wizards with enters-the-battlefield effects