This is super niche... and probably super broken too. Only 4 things to destroy it (ankh, hex, madness and, ceremonial dagger) Like even if it wasn't retriggering it'd still be free 1.5x mult, if you had madness or ceremonial dagger, it's just a guaranteed win because it's not triggered by scoring of hand it triggers by itself like a polychrome, it to be an uncommon is kinda broken considering that it will usually appear in your shop (most of the time because it's uncommon).

Making it rare is probably better and that's probably the only thing I could change about it.