Minecraft Seeds with mountains or oak biomes?

I would like to start a new Minecraft world with my friend our goal is not to play the game through but to build a beautiful city on a mountain if someone had a seed with a large mountain or a flat world with oak biomes

P.S. So play Bedrock on PS4

Which edition?

Bedrock

Own seed: You spawn in a (I think) oak biome in the middle of the sea. If you swim further out to the sea there are huge mountains. There's a Pilliger outpost very close to the spawn.

Seed: 1859417926

Sorry I'm late.

OK thanks