on *:text:!gb:#:{ if ($nick isop $chan) {
    /mode #propc +b *!* $+ $2
    /mode #pc-hq +b *!* $+ $2
    /mode #heartworlds +b *!* $+ $2
/amsg 12A user has just been banned from the three affiliate channels. Reason4 $3-  } }
on *:text:!ugb:#:{ if ($nick isop $chan) {
    /mode #propc -b *!* $+ $2
    /mode #pc-hq -b *!* $+ $2
    /mode #heartworlds -b *!* $+ $2
/amsg 12A user has just been unbanned from the three affiliate channels. } }

Usage:
!gb Host Reason
and
!ugb Host