Erebor, Desolation of Smaug

{t}: Add {c} to your mana pool.
At the beginning of your upkeep, create a 1/1 dwarf creature token. If you control ten or more dwarves, instead you may create a legendary
10/10 red dragon creature token with flying, trample, and indestructible named Smaug, the Desecrator.
An age old kingdom under the Lonely Mountain guarded by a wall of fire.