Colony Sire

{3}{u}{u}, Sacrifice another horror you control:
Gain control of target tapped creature. That
creature becomes a Horror in addition to its
other types.
Tadpoles that survive to maturity are put through the
ceremony of ceremorphosis, where each is implanted
into a humanoid victim and devours its brain, taking
its place and merging with the body to transform it
into a new illithid.