Only one command prismarine ore

/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 ~-2 ~8 ~-1 ~2 stained_hardened_clay 7 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-2 ~2 stained_glass 1 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:"/setblock ~ ~5 ~ minecraft:repeating_command_block 0 replace {auto:0b,powered:0b,Command:\"/scoreboard players set @a[score_WaterS_min=1] WaterS 0\",TrackOutput:1,CommandStats:{SuccessCountName:@a[score_WaterS_min=1],SuccessCountObjective:WaterS}}"},{id:MinecartCommandBlock,Command:"/setblock ~ ~6 ~ redstone_block"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add sneak2 stat.sneakTime"},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"klick\\\",\\\"color\\\":\\\"black\\\"}",Text2:"{\\\"text\\\":\\\"to\\\",\\\"color\\\":\\\"red\\\",\\\"bold\\\":true}",Text3:"{\\\"text\\\":\\\"destroy\\\",\\\"color\\\":\\\"black\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-2 ~7 ~1 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @a[score_sneak2_min=1] sneak2 0"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=Item3] ~ ~ ~ detect ~ ~-1 ~ minecraft:prismarine 1 /kill @e[c=1,tag=Item3]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @e[tag=Item3] ~ ~ ~ detect ~ ~-1 ~ minecraft:prismarine 1 /summon Villager ~ ~ ~ {Profession:0,Offers:{Recipes:[{rewardExp:0b,maxUses:2147483647,uses:0,buy:{id:prismarine_crystals,Count:5,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}},sell:{id:leather_helmet,Count:1,tag:{AttributeModifiers:[{AttributeName:\\\"generic.armor\\\",Name:\\\"generic.armor\\\",Amount:20,Operation:0,UUIDLeast:48219,UUIDMost:589301,Slot:\\\"head\\\"}],Unbreakable:1,ench:[{id:0,lvl:8},{id:5,lvl:10},{id:6,lvl:10}],display:{Name:\\\"Prismarine Helmet\\\",Lore:[*^*],color:2097136}}}},{rewardExp:0b,maxUses:2147483647,uses:0,buy:{id:prismarine_crystals,Count:8,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}},sell:{id:leather_chestplate,Count:1,tag:{AttributeModifiers:[{AttributeName:\\\"generic.armor\\\",Name:\\\"generic.armor\\\",Amount:25,Operation:0,UUIDLeast:91025,UUIDMost:501567,Slot:\\\"torso\\\"}],Unbreakable:1,ench:[{id:0,lvl:12}],display:{Name:\\\"Prismarine Chestplate\\\",Lore:[*^*],color:2097136}}}},{rewardExp:0b,maxUses:2147483647,uses:0,buy:{id:prismarine_crystals,Count:7,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}},sell:{id:leather_leggings,Count:1,tag:{AttributeModifiers:[{AttributeName:\\\"generic.armor\\\",Name:\\\"generic.armor\\\",Amount:23,Operation:0,UUIDLeast:382910,UUIDMost:742901,Slot:\\\"legs\\\"}],Unbreakable:1,ench:[{id:0,lvl:10}],display:{Name:\\\"Prismarine Leggings\\\",Lore:[*^*],color:2097136}}}},{rewardExp:0b,maxUses:2147483647,uses:0,buy:{id:prismarine_crystals,Count:4,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}},sell:{id:leather_boots,Count:1,tag:{AttributeModifiers:[{AttributeName:\\\"generic.armor\\\",Name:\\\"generic.armor\\\",Amount:20,Operation:0,UUIDLeast:32810,UUIDMost:318241,Slot:\\\"feet\\\"}],Unbreakable:1,ench:[{id:0,lvl:8},{id:8,lvl:10},{id:9,lvl:2}],display:{Name:\\\"Prismarine Boots\\\",Lore:[*^*],color:2097136}}}},{rewardExp:0b,maxUses:2147483647,uses:0,buy:{id:prismarine_crystals,Count:2,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}},buyB:{id:stick,Count:1},sell:{id:diamond_sword,Count:1,tag:{AttributeModifiers:[{AttributeName:\\\"generic.attackDamage\\\",Name:\\\"generic.attackDamage\\\",Amount:12,Operation:0,UUIDLeast:482152,UUIDMost:582190,Slot:\\\"mainhand\\\"}],Unbreakable:1,display:{Name:\\\"Prismarine Sword\\\",Lore:[*^*]}}}}]},PersistenceRequired:1,NoAI:1}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add Item3 {Item:{id:minecraft:prismarine_crystals,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=Ore3] ~ ~ ~ detect ~ ~ ~ air 0 /kill @e[c=1,tag=Ore3]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=Ore3] ~ ~ ~ detect ~ ~ ~ air 0 /summon Item ~ ~ ~ {CustomName:\\\"Prismarine Ore\\\",CustomNameVisible:1,Tags:[\\\"o\\\"],Item:{id:prismarine_crystals,Count:1,tag:{display:{Name:\\\"Prismarine Ore\\\",Lore:[*^*]}}}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/clear @a[score_WaterS_min=1,score_sneak2_min=1] minecraft:prismarine_shard 0 1 {display:{Name:\\\"Water Shard\\\",Lore:[*^*]}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/execute @a[score_WaterS_min=1,score_sneak2_min=1] ~ ~ ~ /say prismarine ore has been added to your world"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @a[score_WaterS_min=1,score_BurntSoulUse_min=1] ~ ~ ~ /execute @e[type=Bat] ~ ~ ~ detect ~ ~1 ~ stone 0 /setblock ~ ~1 ~ stone 0"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @a[score_WaterS_min=1,score_sneak2_min=1] ~ ~ ~ /execute @e[type=Bat] ~ ~ ~ detect ~ ~1 ~ stone 0 /summon ArmorStand ~ ~1 ~ {Tags:[\\\"Ore3\\\"],Small:1,Marker:1b,Invisible:1,NoGravity:1,PersistenceRequired:1,ArmorItems:[{},{},{},{id:prismarine,Damage:1,Count:1}]}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @a WaterS 1 {SelectedItem:{id:minecraft:prismarine_shard,tag:{display:{Name:\\\"Water Shard\\\",Lore:[*^*]}}}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/execute @e[score_timer_min=700,score_timer=701] ~ ~ ~ /execute @r[type=Squid] ~ ~ ~ /summon Guardian ~ ~ ~ {CustomName:\\\"Water King\\\",CustomNameVisible:1,Tags:[\\\"Wa\\\"],Elder:1,HandItems:[{id:prismarine_shard,Count:1,tag:{display:{Name:\\\"Water Shard\\\",Lore:[*^*]}}},{id:prismarine_crystals,Count:1,tag:{AttributeModifiers:[{AttributeName:\\\"generic.attackDamage\\\",Name:\\\"generic.attackDamage\\\",Amount:12,Operation:0,UUIDLeast:42104,UUIDMost:41290,Slot:\\\"mainhand\\\"}],display:{Name:\\\"Water Bubbles\\\",Lore:[*^*]}}}],HandDropChances:[1.0F,0.085F],PersistenceRequired:1,DeathLootTable:\\\"Bat\\\"}"}},{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]}]}]}]}