Below is a list of all Pokémon cards that have the Ability Cornerstone Stance

Picture Card Name Set Details Card Details
Cornerstone Mask Ogerpon ex Twilight Masquerade
112 / 167
210HP
WeaknessResistanceRetreat Cost
x2 
Cornerstone Mask Ogerpon ex Twilight Masquerade
199 / 167
210HP
WeaknessResistanceRetreat Cost
x2 
Cornerstone Mask Ogerpon ex Twilight Masquerade
215 / 167
210HP
WeaknessResistanceRetreat Cost
x2