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
139 / 200
300HP
WeaknessResistanceRetreat Cost
x2 
Greninja V-UNION SWSH Promos
155 / 200
300HP
WeaknessResistanceRetreat Cost
x2 
Mewtwo V-UNION SWSH Promos
159 / 200
310HP
WeaknessResistanceRetreat Cost
x2 -30
Zacian V-UNION SWSH Promos
163 / 200
320HP
WeaknessResistanceRetreat Cost
x2 -30
Morpeko V-UNION VMAX Climax
56 / 184
310HP
WeaknessResistanceRetreat Cost
x2