Knockback Moves

Roar, Dragon Tail, Whirlwind… anything else? Moves like those, if you teach them to fast Pokémon, their speed advantage gets ruined because of the -6 priority. So it's better to teach them to slow Pokémon. For example… in Champions, good candidates to learn Dragon Tail would be Dragalge, Steelix, Baxcalibur, Golem, or Ampharos. Steelix and Golem seem like they'd take hits from physical attackers and then deliver a big blow. Ampharos only has a weakness to Ground-types and has decent firepower. Among the ones I listed, Dragalge has the lowest firepower, but it's still 75 base Attack, so it's not unusable. …Though its defenses are the real issue, aren't they…