Rigger

Rigger is a creature class. Riggers are creatures that specialize in the lifting and moving of extremely large or heavy objects.
<c>Steamflogger Boss</c> from Future Sight was presented as a Rigger lord, but at that time the only creature with the subtype was Steamflogger Boss itself. In the Grand Creature Type Update he was joined by <c>Moriok Rigger</c>.
Riggers finally returned in Unstable. These can all assemble Contraptions. 
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