This cheaper mana cost allows for interesting decision-making around whether you want to efficiently use your mana at the cost of another card, or be more card advantage conscious by holding up three mana instead
It reads like some sort of top-tier mana rock for typal decks, but its worse than the average 2-color Signet or Talisman, and its just strictly worse than Arcane Signet
A repeating source of self-mill obviously has a higher potential impact than a one-off sorcery or ETB trigger
In this guide, we outline the strengths and weaknesses of both, and highlight why we think Sapphire/Steel is the best pick
With a cost of 3 ink, and the ability to Return chose character, item, or location with cost 3 or less to their players hand it will absolutely become a staple in core play (theres a certain princess from the Bayou I can think of that this card will help deal with!)
It cant be blocked this turn