Quote:
Originally Posted by Fat ClubbingSealCub
I also see Scarf Lando rising in usage - 101 speed, U-turn, HP Ice and 2 good abilities to take advantage of. I've tried a scarf special set and was pretty content with the results; its main benefit over the physical scarf is that it arguably functions outside of sandstorm better due to not being reliant on it to power its STAB. It is a little weaker than physical Landorus otherwise, but the boosted HP Ice comes in handy against some dragons.
Landorus @ Choice Scarf

Sheer Force
4 Atk / 252 SpA / 252 Spe
Naive
~ Earth Power
~ U-turn
~ Hidden Power Ice
~ Focus Blast / Psychic
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Not to mention that the RP Sheer Force Landorus is always there, and will be a good replacement for the RP Genesect. It doesn't have the same good coverage, but it has sheer power (pun intended) and doesn't suffer from Life Orb recoil.
As for the Expert Belt set, unfortunately I can't think of any good Pokémon with as much power as Genesect (or close to this) and the same coverage. Some Dragons can replace it on that extent - what they lack on super-effective coverage, they have on neutral coverage thanks to Dragon only missing out Steel-types. There's also this other Jirachi set on Smogon:
Jirachi @ Expert Belt
Serene Grace
152 Atk / 204 SpA / 152 Spe
Naive
~ Iron Head / Psychic
~ Fire Punch
~ Hidden Power Ice / Energy Ball
~ Thunderbolt / Energy Ball
It lacks the same speed and power as Genesect, though... the only real advantage that it has over EB Genesect is Iron Head, which lets it hax the opponent to death. This set also lacks speed to outspeed some things like Haxorus and Hydreigon.