Pathogen, Cenobite Mind

Ward {2}
{p/g}: Pathogen permanently gets +0/+1 and
Wither. Activate only if Pathogen does not have
Wither.
{2}{p/u}: Pathogen permanently gets +0/+1 and
Flying. Activate only if Pathogen has Wither.
{5}{p/r}: Pathogen permanently gets +1/+2 and
"{t}: Create a 4/4 black Thrull token" Activate
only if Pathogen has Flying.