variant rarity meanings:
common: 10000
uncommon: 1000
Rare: 100
very rare: 10
unobtainable: 1

for screaming deaths, all weights are divided by 100 but variants can have no lower weight than 10


variant rarity grading criteria:

- glowing variants on non-luminant dragons - uncommon

- especially vibrant/colour-contrast variants - uncommon

- alpha/mutation - Rare

- alpha & mutation - very rare

- extremely complex patterns - uncommon

- mistreated/hunter variants - unobtainable until hunter ship cage adjustment

- extremely blatant references - uncommon

- night furies, nightcutters, & night terrors not black or extremely dark: uncommon

- tail fin variants - uncommon

- mutation tail fin variants - Rare

- helstrykes not a shade of red, yellow, orange, or pink - uncommon

- light furies not a pale pastel colour - uncommon

- heavy fire visuals or strong red, yellow, and orange colouring - unobtainable & midsommar

- heavy frost visuals - unobtainable & yule

- strongly both pastel blue & pink or strong easter theming - unobtainalbe and thawfest

- rainbgow - unobtalnible and bifrost

- patterns feeling painted on or strong cyan & bright colour combinations - unobtainabable and bork week

- extremely daft (such as whispering teeth) - unobtainable and lloki day

- red, green, and white exclusively or strong Christmas imagery - unobtainalb and snoggletog

- rotten coloured or Halloween-appropriate imagery - unobtainable and dreadfall

- titan variants - uncommon

- netherite themed variants - uncommon

- any variants based on endangered species - uncommon

- armourwings with nonmetal armour - uncommon

- grovewings with non-biome-themed colouring - uncommon

- fireworms & fireworm queens with non red/orange/yellow colouring - uncommon

- flame whippers with dull colouring - uncommon

- hackatoo with non-brown colouring - uncommon

- pumpkin terrors with colouring not matching a real pumpkin or squash - uncommon

- non-metallic razorwhip - uncommon

- gemstone sentinels - uncommon

- sandwraiths with primary colours that are not brown, orange, yellow, or similar - uncommon

- silver phantoms that don't blend into some sort of view - uncommon

- slitherwings mostly or entirely in grey - uncommon

- smokebreaths not predominantly grey, black, or brown - uncommon

- snaptrappers not in greens or browns - uncommon

- snow wraiths not white, off-white, or pale blue - uncommon

- vibrant or saturated whispering deaths

- wolf-fangs that diverge from blues and browns