give @p netherite_sword[custom_data={coldsteel_blade:1b},attribute_modifiers={modifiers:[{id:"coldsteel_blade_attack_damage",type:"attack_damage",amount:8,operation:"add_value",slot:"mainhand"},{id:"coldsteel_blade_attack_speed",type:"attack_speed",amount:-2.3,operation:"add_value",slot:"mainhand"}],show_in_tooltip:true},custom_name='{"italic":false,"text":"Coldsteel Blade"}',item_model="minecraft:iron_sword",max_stack_size=1,max_damage=2350,damage=0] 1
