Below is a list of all Pokémon cards that have the move Union Gain

Picture Card Name Set Details Card Details
Pikachu V-UNION SWSH Promos
SWSH139
300HP
WeaknessResistanceRetreat Cost
x2 
Greninja V-UNION SWSH Promos
SWSH155
300HP
WeaknessResistanceRetreat Cost
x2 
Mewtwo V-UNION SWSH Promos
SWSH159
310HP
WeaknessResistanceRetreat Cost
x2 -30
Zacian V-UNION SWSH Promos
SWSH163
320HP
WeaknessResistanceRetreat Cost
x2 -30
Morpeko V-UNION SWSH Promos
SWSH215
310HP
WeaknessResistanceRetreat Cost
x2 
Morpeko V-UNION SWSH Promos
SWSH287
310HP
WeaknessResistanceRetreat Cost
x2