Command Block Tutorial #304: Poison Sword Commands in Minecraft (1.21.9+)

In this video I will show how to craft yourself special sword that can poison other player's and/or mobs, chipping away that their health. Improved Life Stealing Sword video: https://youtu.be/wasAaM0yPJ0 Commands: Scoreboard Commands (To add and remove): - /scoreboard objectives add Poison_Sword minecraft.used:minecraft.diamond_sword - /scoreboard objectives remove Poison_Sword To craft the Poison Sword: 1. Repeater Command Block (Always Active): /execute at @p run execute as @e[type=item,distance=0..3] if items entity @s[nbt={OnGround:1b}] contents minecraft:diamond_sword[minecraft:count=1] run execute as @e[type=item,distance=0..3] if items entity @s[nbt={OnGround:1b}] contents minecraft:spider_eye[minecraft:count=4] run execute as @e[type=item,distance=0..3] if items entity @s[nbt={OnGround:1b}] contents minecraft:moss_block[minecraft:count=1] 2. Impulse Command Block: /execute at @p run execute as @e[type=item,distance=0..3] if items entity @s[nbt={OnGround:1b}] contents minecraft:diamond_sword[minecraft:count=1] run data merge entity @s[nbt={OnGround:1b}] {Item:{id:"minecraft:diamond_sword",count:1,components:{"minecraft:custom_name":{"color":"dark_green","italic":false,"text":"Poison Sword"},"minecraft:lore":[{"italic":false,"text":"Attack to apply Poison"},{"italic":false,"text":"to enemies you hit."}],"minecraft:custom_data":{Poison_Sword:1b},"minecraft:unbreakable":{}}}} 3. Impulse Command Block: /execute at @p run kill @e[type=item,nbt={Item:{id:"minecraft:spider_eye"}},nbt={OnGround:1b},distance=0..4] 4. Impulse Command Block: /execute at @p run kill @e[type=item,nbt={Item:{id:"minecraft:moss_block"}},nbt={OnGround:1b},distance=0..4] To activate the Poison Sword: 1. Repeater Command Block: /execute at @p run execute if entity @p[nbt={SelectedItem:{id:"minecraft:diamond_sword",count:1,components:{"minecraft:custom_name":{"color":"dark_green","italic":false,"text":"Poison Sword"},"minecraft:lore":[{"italic":false,"text":"Attack to apply Poison"},{"italic":false,"text":"to enemies you hit."}],"minecraft:custom_data":{Poison_Sword:1b},"minecraft:unbreakable":{}}}}] run execute at @a[scores={Poison_Sword=1..}] run execute at @e[nbt={HurtTime:10s}] run effect give @e[nbt=!{SelectedItem:{id:"minecraft:diamond_sword",count:1,components:{"minecraft:custom_data":{Poison_Sword:1b}}}},distance=0..2,sort=nearest,limit=1] minecraft:poison 10 1 true 2. Chain Command Block (Unconditional): /scoreboard players reset @a[scores={Poison_Sword=1..}] Poison_Sword Music: Gaming Sound FX: 1. Monkeys Spinning Monkeys (Kevin MacLeod) - Gaming Background Music (HD): https://www.youtube.com/watch?v=pr42azVZi3o 2. Hitman (Kevin McLeod) - Vanoss Gaming Background Music (HD): https://www.youtube.com/watch?v=hTIIK5Sa6mc