No arena was specified, so we're going with your standard ASB arena.
cbrevan's Pokemon
Ralts [Jaina] Female
Type: Psychic / Fairy
Abilities: Synchronize / Trace / Telepathy (H)
Nature: Modest (+SAtk, -Atk)
Stats:
Hp: 90
Atk: 0 (-)
Def: 1
SAtk: 3 (+)
SpD: 2
Spe: 40
Size Class: 1
Weight...