Scrin get a few new units and upgrades to bolster their strength. The Mechapede, for example, is unique to Scrin Vanilla, and adds speed and firepower to Scrin’s late game. All of the new support powers also make Scrin extremely flexible in dealing with every situation.
Units

StalkerScrin gets a new infantry unit in the form of the Ravagers, swift moving units that fire blue tiberium shards at their enemies. They also have the ability to “Agitate Tiberium,” doing damage to any unit or structure that has Tiberium in it.

MechapedeBeginning as just a head, Mechapedes can be upgraded with up to eight segments each. There are three types of segments: Shard (anti-infanty), Disk Launcher (anti-vehicle/aircraft), Tiberium (anti-garrison/structure). Mechapedes move very quickly and are excellent base destroyers
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EradicatorThe epic unit of Scrin, the spider-like Eradicator easily crushes vehicles underfoot and collects resources from each enemy unit destroyed nearby.

Upgrades
Attenuated ForcefieldsThis early upgrade gives seekers and gun walkers weaker forcefields for added armor.
Buildings
Warp ChasmThis new building is required to build the Eradicator. It can also build and repair vehicles like a normal War Factory.
Support Powers
Tiberium InfestationPlaces a building on a tiberium field (much like a growth accelerator) that “infests” the field and heavily damages all enemy units foolish enough to move onto the field. Affects harvesters as well.
Shock PodsThis power calls down a couple squads of Shock Troopers.
Ichor SeedCreates a small, regenerating field of Tiberium.
Overlord’s WrathCalls down a tiberium meteor storm to the targeted location, dealing high damage.