ifrnd <value> { <do somethin!> }
An if condition stating the probability of it 'doin somethin!' in this case.
NOTE: It's out of 256 as max, so 'ifrnd 256 = 100%', and 'ifrnd 128 = 50%'
This command must only be used in synchronised code or you will cause desyncs. for display code use displayrand instead.