At Warhammer World you can buy an Exclusive Space Marine HQ Command set of a Land Raider Excelsior and a Rhino Primaris. This is the Land Raider Excelsior.
The Land Raider Excelsior is a specialised variant of the Adeptus Astartes Land Raider that serves a command and control function for a Space Marine planetary assault as well as a role as a heavy main battle tank and armoured transport.