As a devourer of rare gemstones, a Xorn might view even the king's treasury as no more than an all-you-can-bankrupt buffet.

Secret Lair Drop

Xorn

If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token.

Xorns are native to the Elemental Plane of Earth, where gems and rare stones are plentiful. When summoned elsewhere they can be quite destructive in search of food.