This is a very effective offensive team built around setting up hazards and abusing them by using pokemon that usually force the opponent to switch. Like most offensive teams, Silvershadow uses hazard lead Smeargle. Smeargle is one of the best "leads" for an offensive team out there since it learns both Stealth Rock and Spikes. Coupled with Focus Sash Smeargle usually sets up at least a layer of Stealth Rock and Spikes. Spore is one of Smeargle's best traits since it gains SS another turn to set up entry hazards. Explosion is the cherry on top since it enables Smeargle to pseudo-spinblock against most spinners. Thus SS doesnt need a teamslot for a spinblocker that much. Looking at the team structure I immediately see offensive cores. Firstly the core of CB Druddigon and OTR Slowking. This great duo has great defensive synergy as they cover each others common weakness well. Druddigon can take on Electric and Grass types while Slowking beats Ice types. The use of Trick Room is a great why of capitalizing on both their subpar speed stats. Under TR very few pokemon actually outspeeds Druddigon and Slowking. Adding Magneton just increases the effectivity of the core since Steel types like Escavalier are easily taken out making life easier for Druddigon. Druddigon can now spam outrage freely koing everything in sight especially with the hazard support from Smeargle. Magneton doesnt only aid Druddigon + Slowking but also Lilligant. Lilligant, one of the best set up sweepers in the tier, hates Escavalier and Ferroseed since most of the time its using HP Rock with which Lilligant cant do enough damage. Magneton easily traps Escavalier and Ferroseed with Magnet Pull and koes them with HP Fire. Lilligant can thus easily sweep the opponent. The use of Substitute is a more unorthodox option since the standard set uses Sleep Powder. Because SS already uses Smeargle I think most of the time the Sleep Clause will be active rendering Sleep Powder useless. The use of Substitute thus protects Lilligant from status. Substitute, because Lilligant forces switches, helps ease the prediction required to successfully sweep. It also protects against Sucker Punches from the likes of Absol and Spiritomb. Emboar's role is to check and revenge slower pokemon that threaten to sweep, pokemon like Sceptile and Gallade are easily revenged. Emboar has a nifty Fire and Fighting dual typing which is neutral to Rock making it the perfect switch in to Grass types most notably Lilligant whom can threaten to sweep SS's team. Emboar is SS's lategame cleaner as coupled with hazards it can easily beat weakend teams with powerful Flare Blitzes. The only weakness I could find is Omastar who is pretty much the bane of offensive teams. If Omastar gets an opetunity to Shell Smash on Druddigon's Fire Punch or Emboar's Flare Blitz and Slowking is weakend your a dead man. All in all this is an effective team abusing hazards with powerful yet still able to take a hit pokemon. Really cool team!