Set Context: Steam Siege
Steam Siege was released in 2016. It belongs to the XY series.
With 116 listed cards, this is a mid-size set by modern TCG standards. As of 2026, the set is 10 years old and now falls into an established back-catalog period.
In the Steam Siege checklist, Yanmega BREAK occupies position #8 as a Rare BREAK card.
