Klauth, Unrivaled Ancient

Mythic1 version from Forgotten Realms Commander · all sets

Cheapest version$20.77TCGplayer market price

Adventures in the Forgotten Realms2021

Collector Booster 1 in 104 packsany version · 11% per box of 12

VersionPriceCollector Booster

Extended art (Commander) #320 $20.771 in 104 packs11% per box

"Any version" adds up the chances of each version, so it is a close estimate.