/summon chest_minecart ~ ~5 ~ {Items:[{Slot:0,id:"minecraft:diamond_sword",Count:1b,tag:{HideFlags:7,AttributeModifiers:[{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:10,Operation:0,UUIDLeast:257732,UUIDMost:85689}],Unbreakable:1,display:{Name:"Emerald Sword"},ench:[{id:16,lvl:0}]}},{Slot:1,id:"minecraft:diamond_sword",Count:1b,tag:{HideFlags:5,Unbreakable:1,display:{Name:"Fire Sword"},ench:[{id:20,lvl:1}]}},{Slot:2,id:"minecraft:diamond_sword",Count:1b,tag:{HideFlags:5,Unbreakable:1,display:{Name:"Wind Sword"},ench:[{id:19,lvl:3}]}},{Slot:3,id:"minecraft:diamond_sword",Count:1b,tag:{HideFlags:7,AttributeModifiers:[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:20,Operation:0,UUIDLeast:838991,UUIDMost:996063},{AttributeName:"generic.knockbackResistance",Name:"generic.knockbackResistance",Amount:1000000,Operation:0,UUIDLeast:600233,UUIDMost:761543},{AttributeName:"generic.movementSpeed",Name:"generic.movementSpeed",Amount:0.1,Operation:0,UUIDLeast:461520,UUIDMost:990250},{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:50,Operation:0,UUIDLeast:799005,UUIDMost:626984}],Unbreakable:1,display:{Name:"Unicorn Sword"},ench:[{id:16,lvl:0}]}}]}