Hewed Stone Retainers [Ugin's Fate] Ashiok Tyranny of Dragons is the

Tyranny of Dragons is the first set of randomly sorted monsters and heroes in the exciting new line of D&D Miniatures

but from his memory as well

Who will be the fastest to discover the right butterflies

so it's marketed as a single-use game

and you may cast the copy without paying its mana cost

Hewed Stone Retainers [Ugin's Fate] Ashiok Tyranny of Dragons is theSet: Ugin's Fate Type: Artifact Creature Golem Rarity: Uncommon Cost: {3} Cast this spell only if you've cast another spell this turn. "Their origins are shrouded in mystery. I believe they are the protectors of the lost secrets of our world." Jilaya, Temur whisperer