Yes, rarity matters, but a card's financial value is driven by two things: collectability and playability
Many players think that its enough to be number one simply by having a deck youre comfortable playing, but the sad reality is that most top 1 players most likely abuse the meta and use the best decks in the format every single season
If there a crease well into the card, youre looking at a 5 or much lower depending on the length
The holo version of this card ranges between $2.68 and $12, while the reverse holo version easily clears that high, ranging from $11 to $50
I've also been obsessed with Warhammer since the 1990s, and love nothing more than running tabletop RPGs like D&D as a Dungeon Master.
If you use Helm of the Host, you can triple and quadruple your triggered abilities, which might force you to start using pen and paper to keep track