Loot Bags (Loot Table Version)

Find the video explaining this and everything else you need for this to work at https://youtu.be/wMbtEovA-U0

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:setblock ~7 ~-2 ~1 chain_command_block 1 0 {auto:1,Command:/tp @e[tag=supreme] ~ ~-1000 ~}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 5 0 {auto:1,Command:/tp @e[tag=legendary] ~ ~-1000 ~}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 0 {auto:1,Command:/tp @e[tag=epic] ~ ~-1000 ~}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 0 {auto:1,Command:/tp @e[tag=rare] ~ ~-1000 ~}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 0 {auto:1,Command:/tp @e[tag=uncommon] ~ ~-1000 ~}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 0 {auto:1,Command:/tp @e[tag=common] ~ ~-1000 ~}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 0 {auto:1,Command:"/execute @e[tag=supreme] ~ ~ ~ setblock ~ ~ ~ chest 2 replace {LootTable:\\\"minecraft:loot_bags/rarity/supreme\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 0 {auto:1,Command:"/execute @e[tag=legendary] ~ ~ ~ setblock ~ ~ ~ chest 2 replace {LootTable:\\\"minecraft:loot_bags/rarity/legendary\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 0 {auto:1,Command:"/execute @e[tag=epic] ~ ~ ~ setblock ~ ~ ~ chest 2 replace {LootTable:\\\"minecraft:loot_bags/rarity/epic\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 0 {auto:1,Command:"/execute @e[tag=rare] ~ ~ ~ setblock ~ ~ ~ chest 2 replace {LootTable:\\\"minecraft:loot_bags/rarity/rare\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 0 {auto:1,Command:"/execute @e[tag=uncommon] ~ ~ ~ setblock ~ ~ ~ chest 2 replace {LootTable:\\\"minecraft:loot_bags/rarity/uncommon\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 0 {auto:1,Command:"/execute @e[tag=common] ~ ~ ~ setblock ~ ~ ~ chest 2 replace {LootTable:\\\"minecraft:loot_bags/rarity/common\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 0 {auto:1,Command:"/entitydata @e[type=Villager,tag=!Found] {Tags:[\\\"Found\\\"],DeathLootTable:\\\"minecraft:entities/villager\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 0 {auto:1,Command:"/entitydata @e[type=WitherBoss,tag=!Found] {Tags:[\\\"Found\\\"],DeathLootTable:\\\"minecraft:entities/wither_boss\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 0 {auto:1,Command:"/entitydata @e[type=EnderDragon,tag=!Found] {Tags:[\\\"Found\\\"],DeathLootTable:\\\"minecraft:entities/ender_dragon\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 0 {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}