Wormhole Nexus

Official rule text

100.1 The wormhole nexus begins the game in play with its inactive side up. a The inactive side of the wormhole nexus contains a gamma wormhole. The active side of the wormhole nexus contains an alpha, beta, and gamma wormhole. b The wormhole nexus is treated as part of the game board. c The wormhole nexus is on the edge of the game board.