Magic Sword One command

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-1 ~8 ~-1 ~2 stained_hardened_clay 13 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-1 ~8 ~-2 ~2 stained_glass 10 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"[Destroy]\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/give @a command_block 1 0 {display:{Name:\\\\\\\"For more One-command Creations!\\\\\\\"}}\\\"},\\\"bold\\\":true,\\\"underlined\\\":true}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~ ~-1 ~7 ~2 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Magic Sword\\\",\\\"color\\\":\\\"dark_green\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/tellraw @a {\\\\\\\"text\\\\\\\":\\\\\\\"Throw a diamond sword, an iron sword, a stone sword, a golden sword, and a wooden sword on the ground to create the Magic Sword!\\\\\\\",\\\\\\\"bold\\\\\\\":true,\\\\\\\"color\\\\\\\":\\\\\\\"dark_green\\\\\\\"}\\\"},\\\"bold\\\":true}",Text2:"{\\\"text\\\":\\\"by Graystriped\\\",\\\"color\\\":\\\"dark_green\\\",\\\"bold\\\":true}"}},{id:MinecartCommandBlock,Command:"scoreboard objectives add DElkKF_I dummy"},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"execute @e[score_DElkKF_I_min=19,score_DElkKF_I=19] ~ ~ ~ execute @e[score_DElkKF_I_min=20,score_DElkKF_I=20,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=21,score_DElkKF_I=21,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=22,score_DElkKF_I=22,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=23,score_DElkKF_I=23,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=24,score_DElkKF_I=24,r=1] ~ ~ ~ kill @e[type=Item,r=3,score_DElkKF_I_min=19,score_DElkKF_I=25]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"execute @e[score_DElkKF_I_min=19,score_DElkKF_I=19] ~ ~ ~ execute @e[score_DElkKF_I_min=20,score_DElkKF_I=20,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=21,score_DElkKF_I=21,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=22,score_DElkKF_I=22,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=23,score_DElkKF_I=23,r=1] ~ ~ ~ execute @e[score_DElkKF_I_min=24,score_DElkKF_I=24,r=1] ~ ~ ~ summon Item ~ ~0.5 ~ {Item:{id:minecraft:,Damage:diamond_sword,tag:0,Count:1}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"scoreboard players set @e DElkKF_I 24 {Item:{id:minecraft:{display:{Name:\\\"Magic Sword\\\", Lore:[\\\"Sword of Magic!\\\"]},AttributeModifiers:[{AttributeName:\\\"generic.knockbackResistance\\\",Name:\\\"generic.knockbackResistance\\\",Amount:10,Operation:0,UUIDMost:224,UUIDLeast:174997},{AttributeName:\\\"generic.attackDamage\\\",Name:\\\"generic.attackDamage\\\",Amount:30,Operation:0,UUIDMost:72856,UUIDLeast:411393}],ench:[{id:16,lvl:20}],HideFlags:7,Unbreakable:1},Damage:undefineds,tag:undefined},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"scoreboard players set @e DElkKF_I 23 {Item:{id:minecraft:wooden_sword},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e DElkKF_I 22 {Item:{id:minecraft:golden_sword},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e DElkKF_I 21 {Item:{id:minecraft:stone_sword},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"scoreboard players set @e DElkKF_I 20 {Item:{id:minecraft:iron_sword},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"scoreboard players set @e DElkKF_I 19 {Item:{id:minecraft:diamond_sword},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}