The Dreaded Thirteenth Spell

Range of 13". If successfully cast, pick 1 enemy
unit within range and visible to the caster and
roll 13 dice. For each 4+, that unit suffers 1
mortal wound. You can then summon 1 unit of
CLANRATS to the battlefield and add it to your
army. The summoned unit can have up to 1 model
for each mortal wound that was caused by this
spell. The summoned unit must be set up wholly
within range of the caster and more than 9"
from all enemy units. The summoned unit
cannot move in the following m