  In this work, a jet of cold plasma is generated in a device supplied in
helium and powered with a high-voltage nanopulse power supply, hence generating
guided streamers. We focus on the interaction between these guided streamers
and two targets placed in a series: a metal mesh target (MM) at floating
potential followed by a metal plate target (MP) grounded by a 1500 {\Omega}
resistor. We demonstrate that such an experimental setup allows to shift from a
physics of streamer repeatability to a physics of streamer self-organization,
i.e., from the repetition of guided streamers that exhibit fixed spatiotemporal
constants to the emergence of self-organized guided streamers, each of which is
generated on the rising edge of a high-voltage pulse. Up to five positive
guided streamers can be self-organized one after the other, all distinct in
space and time. While self-organization occurs in the capillary and up to the
MM target, we also demonstrate the existence of transient emissive phenomena in
the inter-target region, especially a filamentary discharge whose generation is
directly correlated with complexity order {\Omega}. The mechanisms of the
self-organized guided streamers are deciphered by correlating their optical and
electrical properties measured by fast ICCD camera and current-voltage probes,
respectively. For the sake of clarity, special attention is paid to the case
where three self-organized guided streamers ({\alpha}, \b{eta} and {\gamma})
propagate at v{\alpha} = 75.7 km.s-1, v\b{eta} = 66.5 km.s-1 and v{\gamma} =
58.2 km.s-1), before being accelerated in the vicinity of the MM target.
