The Misty Mountains Cold [HOB] 104

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
[I] [II] [III] [IV] Create a Treasure token. Then if you control four or more Treasures, sacrifice this Saga. If you do, create a 6/6 red Dragon creature with flying. (A Treasure token is an artifact with "T, Sacrifice this token: Add one mana of any color.")