The "LEGO Oasis Ambush" (set #5938) is a 1998 Adventurers set featuring a desert oasis with a tomb that has a hidden mummy. The set includes three minifigures—Johnny Thunder, Lord Sam Sinister, and a skeleton—and a variety of accessories like a palm tree, treasure chest, gold coins, and weapons. A key feature is the tomb's trapdoor mechanism, which can be activated to reveal a skeleton.
