Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
The rule is every Roserade must be loved with its tremendous coverage of Giga Drain, Sludge Bomb, and HP Fire.
Post this on 4 other profiles or you will get swept by its versatility.
The rule is every Kabutops is Knock Off / Rapid Spin / Swords Dance / Stone Edge / Water Fall / Aqua Jet / Superpower / Giga Drain / Earth Power / HP Fire and it's both Modest and Adamant and you're at +2 and it's always raining- unless you're against a Ferroseed.