This came with either a Shaman or a Champion rider. There are also two different tails, one that loops down and one that doesn't. Trish Carden only recalls sculpting the looped version, which is is only one that she has the green for.
Sculptor:
Trish Carden
Painter:
Richard Facey
Released:
August 1990
Marauder MB8 Orc War Wyvern
MB8 Orc War Wyvern - looped tail
MB8 Orc War Wyvern - alternative tail