To date there are just 19 Pokémon cards with HP 350.
Complete List of Pokémon Cards with HP 350
(More cards will be added as they are released)
MEP081 Mega Greninja ex
036/132 Mega Abomasnow ex
157/132 Mega Abomasnow ex
056/094 Mega Gengar ex
061/217 Mega Eelektross ex
125/217 Mega Gengar ex
266/217 Mega Eelektross ex
269/217 Mega Gengar ex
278/217 Mega Eelektross ex
284/217 Mega Gengar ex
022/086 Mega Greninja ex
048/086 Mega Gallade ex
100/086 Mega Greninja ex
116/086 Mega Greninja ex
122/086 Mega Greninja ex
008/084 Mega Delphox ex
038/084 Mega Chandelure ex
099/084 Mega Chandelure ex
115/084 Mega Chandelure ex
