Like most Pokmon cards, the value of Frosmoth depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Fusion Strike)
Perhaps one day I'll explore Vorthos' companion profiles (Wait until you meet Melvin)
Blue has a lot of cheap, high toughness creatures to gum up the ground with
Peak Card Value: $74.86 Average Card Value: $9.30 High-Value Cards: 21 cards above average Accessible set with steady growth potential Set Rarity: Standard set size Popular Cards: Focus on holo rare and special cards Best Investment: First edition and PSA graded cards Monitor price trends weekly for best buying opportunities Condition Matters: Mint condition increases value by 300-500% Storage: Keep cards in protective sleeves and toploaders Authentication: PSA/BGS grading for valuable cards Complete set collection often worth more than individual cards Everything you need to know about Shrouded Fable card values, pricing, and collecting
To be clear, there are more Rings of Power than what is discussed here, like how Saruman apparently tried to forge his own Rings of Power, and further research can be done for readers who are curious in learning more about the Lord of the Rings Lore
On top of that, Dark Impostor gains all activated abilities of all the Creature cards it has exiled