give @p trial_spawner[block_entity_data={id:"minecraft:trial_spawner",normal_config:{total_mobs:10,simultaneous_mobs:3,spawn_potentials:[{data:{entity:{id:"minecraft:zombie"}},weight:1},{data:{entity:{id:"minecraft:skeleton"}},weight:1},{data:{entity:{id:"minecraft:husk"}},weight:1},{data:{entity:{id:"minecraft:cave_spider"}},weight:1},{data:{entity:{id:"minecraft:witch"}},weight:1},{data:{entity:{id:"minecraft:breeze"}},weight:1}]}}] 1