clear @s bread{kyucrafted:1b} 1
give @s minecraft:bread{KyuBreadBladeUpgrade:1b,HideFlags:3,display:{Name:'{"text":"Youmuu\'s Toastblade"}',Lore:['[{"text":"I ain\'t afraid of no toast!"}]','[{"text":""}]','[{"text":"","color":"#BC9249"},{"text":"When in Main Hand:","color":"#CCCCCC","italic":false}]','[{"text":"","color":"#BC9249"},{"text":" +10% Speed","color":"#0AB6FF","italic":false}]','[{"text":"","color":"#BC9249"},{"text":" 12 Attack Damage","color":"#14A82D","italic":false}]','[{"text":"","color":"#BC9249"},{"text":" 0.85 Attack Speed","color":"#14A82D","italic":false}]']},Enchantments:[{id:"minecraft:mending",lvl:1s}],AttributeModifiers:[{AttributeName:"generic.attack_damage",Name:"generic.attack_damage",Amount:12,Operation:0,UUID:[I;6969,6969,6969,1128],Slot:"mainhand"},{AttributeName:"generic.attack_speed",Name:"generic.attack_speed",Amount:-0.7875,Operation:1,UUID:[I;6969,6969,6969,1129],Slot:"mainhand"},{AttributeName:"generic.movement_speed",Name:"generic.movement_speed",Amount:.1,Operation:1,UUID:[I;6969,6969,6969,1130],Slot:"mainhand"}]} 1
advancement grant @s only minecraft:misc/bread
tag @s remove BreadKyu