Welcome to 7 Overpowered Swords, basically this is working with 100% Command Blocks
This is having Web Sword, Lightning Sword, Spin Sword, Ice Sword, Fire Sword, TNT Sword and the WITHER Sword
Select version for changelog:
Changelog
I just add something... And TIP: Destroy the commandblock under the door (only the purple one) then drink a milk and the effects is gonna gone