Flung through the planes of existence by rites of banishing a few beleaguered heroes old friends find themselves on the very edge of Doom's original world...Thunderstone Advance: Worlds Collide tells the story of a battle for survival in a world of ancient evil and darkness. This set showcases 550 cards from the first six Thunderstone releases including previously hard-to-find promos all updated and fully compatible with Thunderstone Advance along with many fan favorites from this deck-builder's history.Integrates with:Thunderstone Advance: Towers of Ruin