Mammoth Riders will appear throughout the campaign, supporting even the highest level Raider formation. While Brawlers become to Raiders' "tanks", Mammoth Riders will relegate themselves to the role of support fire, being able to hit up to range 3 and deal a significant amount of damage.
They are easier to take out at higher levels because of their low dodge rate.
The Mammoth Rider's real threat are when they appear at the lower levels, appearing as early as level 7 (in an enemy level 11 formation). The cannon shot attack can take out a low level player's unit in one shot, or finish off units that may have only been grazed by other Raider attacks.
Since it is both a Critter and a Tank, it is affected by both the Nerve Gas and Emp from the Special Agent.