Beta Phase variants won't last long...
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Originally sold at NYCC 2011, the Four Horsemen's exclusive Beta Phase Outer Space Men waves 3 & 4 consist of Mystron, Commander Comet, Electron+, and Alpha 7 in special color variants. Right now you can pick up all four of these rare figures with their unique accessories and helmets for $50 (plus shipping and handling) at www.StoreHorsemen.com. Limited quantities mean they won't be available for long.