Warehouse Keeper Hagger:
The Silver Golem? Ah yes, a magnificent coin... Our standard exchange rate is 1:10. Or perhaps you would prefer a game of chance?
Exchange at set rate.
Play game. [Guess correctly in 2 tries - 4 Silver Unicorns]
Play game. [Guess correctly in 3 tries - 8 Silver Unicorns]
Play game. [Guess correctly in 4 tries - 9 Silver Unicorns]
Explanation of game