It isnt a brainless damage machine, you have to plan around when to drop it and when to hit with it, but thats part of what makes pulling and playing it so satisfying
Now it is all together too slow and fair to be of much interest
Its cheap, easy to use, and in white, filling your graveyard is something you actively want to be doing most of the time, to take advantage of whites great recursion pieces
For reference, a single copy in the same 60-card deck has only an 11.7% chance of appearing in the opening 7 cards
Whats more, you can always choose to place it in your inkwell and use it to pay for other cards if you have everything you need, giving it a welcome versatility in any Sapphire deck
As this cares about any of your sacrificed permanents, token or otherwise, each clue, Map, food or treasure you sacrifice is going to grow Bloodbriar, allowing it to get out of hand pretty quicky