Please remember that these are rumors of a playtest set.
via an anonymous source on Faeit 212
He states these rules are BETA and are around 7 month old
Hormagaunts :
may add an additional 20 Hormagaunts
Equipment: scything talons & adrenal glans
upgrades:
toxic sacks : (remain the same)
piercing talons : (+1 strength)
tyranid warrior (squad leader):
special rules:
leap, they just keep coming,synaptic back lash (tyranid warrior only) synapse creature (tyranid warrior only)
leap: may charge +6'' extra & do not lose initiative while charging through difficult terrain
they just keep coming: enemies firing at models with this rule suffer -1 bs
models with BS 1 must re-roll any successful hits on a model with this target.
synaptic back lash: after a model with this rules dies then all friendly units within 6'' of the models death suffer a single strength 3 AP - hit.
Old one eye to have his toughness increased
tyranid warriors
may add an additional 3 models
WS T SV
5 5 4+
Equipment:
piercing talons, leap, synaptic back lash,
special rules: will of the hive mind
upgrades:
toxic sacks: (read above)
adrenal glands: (read above)
range biomorph exoskeleton: (+1 bs)
increased exoskeleton: (+1 sv)
barbed strangler: (remains the same)
venom rifles: (tyranid rifles with poison) 18'' range (under re-testing)
will of the hive mind: while the squad remains with the full 3 models then the synapse range increases to 12''
carnifex:
may add an additional 2 models
T W
6 5
Equipment:
scything talons, piercing talons
special rules: rampant rage, living battering ram, natural disaster
upgrades:
Toxic sacks:
range biomorph exoskeleton:
armoured shell: (2+ save)_
crushing claws: (+d3 attacks & +1 to range AP)
reinforced plating: (reduced strength of weapon being fired at you by 1)
heavy venom cannon: (strength 9 AP 2 heavy 2)
barbed strangler: (strength 5 AP 5 large blast, pinning)
twin linked devourers: (strength 4 AP 6 assault 4)
rampant range: when charging units the carnifex gains rage & furious charge)
Living battering ram: the carnifex deals d3 hammer of wrath hits
natural disaster: if the carnifex forgoes its turn in a piece of terrain (ruins ect) it can destroy that terrain and remove it from play