RE: PokeBeach's Official Ban List
I have to disagree with you DE. Deoxys-S may not be the best supporter in the tier, or the best offensive force, but the fact that its impossible to figure out which Deoxys-S set is used can cost you a Pokemon. Compare it to Thundurus from last round. You bring in your Gastrodon not expecting Grass Knot, and whoops, your Gastrodon just died. The same thing happens here.
Do you expect the Support Dual Screens set with Magic Coat and Psycho Boost to round it out when you see Deoxys-S? Yeah, probbably. So let's send in Scizor. Next turn, whoops, you just lost your Scizor because its actually the offensive set. Lets flip it around and say that the offensive Psychic/HP Fire/Superpower/Ice Beam is what we're predicting. Let's scout for the Hidden Power Fire with a switch to Scizor, and then another switch out to Rotom-W, and... Deoxys-S used Stealth Rock. $10 says that Deoxys-S uses Spikes next turn, and it still hasn't been damaged yet. With all the residual damage, taking down the Pokemon will be a big pain. There's no way of stopping it unless you have a lot of luck and crazy prediction.
Support Characteristic
A Pokémon is uber if, in common battle conditions, it can consistently set up a situation in which it makes it substantially easier for other pokemon to sweep.
Setting up guaranteed hazards or guaranteed Screens (Tornadus doesn't run Taunt, Whimsicott and Sableye aren't common) makes it easier for others to sweep, much easier. Its very difficult to stop because the offensive set poses a large threat and there's no way of telling which Deoxys-S set is used until it makes its move, and by then, the battle could be over.
Vote: Uber - Not too sure if my vote matters though