Speed Swap (Ability)

Speed Swap is an ability exclusive to Pokémon Zeta and Omicron. It is the signature ability of Mega Reuniclus.

Description
Activates the Trick Room effect on entering the [sic]

Effect
Speed Swap summons a Trick Room like environment in battle as soon as a Pokémon with Speed Swap enters the battle. Its effects almost are the same as Trick Room's; the only difference is that instead of lasting for five turns, it lasts for the whole battle until a different weather condition replaces it. If a Pokémon with Speed Swap is sent out in the same turn as another Pokémon whose Ability causes a different weather condition, the slower Pokémon's Ability will override the faster Pokémon's Ability.