Seems like most view this as a trap, but I feel that, with the correct setup, this card can be much more powerful.
Leveled up sign magick and dexter make this card and it's upgrade much more powerful by mitigating it's main downsides: Action consumption to keep using, resource cost to play (though the upgrade does away with that anyway), spell slot and Action economy to play. While you could say sign magic makes every spell card good, this card gets massively buffed compared to other spells as it is one that can always prove useful. You may not be at a location to fight, evade, or investigate, but getting a free resource cache on a test most mystics can pass anyway seems worth it to me. I shall be putting this in a Dexter deck to test how effective it is long term as compared to uncage the soul and supply cache (as all 3 are resource fixers).