I think these are the variations of colors i have in my codeshop but idk if this is the right one pretty sure these all work but meh
Setsword alexander-sword1.png
Setsword droid-flameswordgreen.png
Setsword nitrex_blackfire_sword.png
Setsword drago-pk-sword.png
Setsword pep-purp-sword-drex.png
Setsword mars-cyanpk-sword.png
Setsword neb_sword.png
These aren't rainbow colors but just diff colors of the type of swords u showed so meh