Warmachine: Cygnar Gravediggers Core ExpansionReturn of the Trenchers! The newest army to enter Warmachine is also one with an impressive legacy stretching back over a century. The Core Expansion is a versatile set great for starting or growing your Gravediggers army. This Core Expansion includes a sizable force ideal for playing midsized Warmachine games great for starting out or for growing your Cygnar Gravediggers army up to 100 points when combined with the Command Starter and? Battlegroup