On the turn this Pokémon enters battle, including the very first turn of battle, this Pokémon has 1.5× its evasion. Its evasion returns to normal at the end of that turn.
The evasion bonus does not count as a stat modifier.
Out-of-Battle Effect
The wild encounter rate is halved while this Pokémon is first in the party.
Pokémon with Steam Cloud as a standard ability (1)
[?]