In fact theres a subset of mechanics that can be read as this can be cast with another cost and produces a different effect, like split cards, evoke, etc
TL;DR Direct answer : The best Sapphire cards from Fabled to prioritize are Hades - Infernal Schemer, Aurora - Dreaming Guardian, Dig a Little Deeper, Mulan - Considerate Diplomat, and Cruella De Vil - Style Icon
This high efficiency has made Sabrina a staple in Pokmon TCG Pocket, an absolutely essential card like other already essential cards like Pok Ball and Professors Research
It just handles so many of the biggest threats without discretion
The downside would be a lot of these either cost a lot of mana or require a lot of build around, or both
Exception: If you manage to draft Tezzeret, Cruel Captain, he can be a worthwhile pick but dont first-pick him