Reducing the cost of activated abilities is very powerful (and fun), and it works for her own activated ability, too, which is cool
I always appreciate these Blood Artist effects in the late game since your opponents are put in a rough spot between dying to your creatures attacking and dying when they wipe your board
FromTheShire: I think the extra mana limits its usage, but there are certainly decks where putting the card into your yard instead of the bottom of your deck is a benefit over Opt, and being able to flash it back is great as well
Like in most Final Fantasy games, its not the final boss that gets you its one of the random ones along the way that becomes your nemesis and I embraced that role for the table
I hope this has been a fun read, and if you feel like chatting some more about unhinged matters, stop by the Draftsim Discord