On paper, it seems pretty balanced and self-restricting, for sure there won't be any oppressive card with this ability
Luckily for Ooze fans, it made a comeback in Modern Horizons 2 where, among other cards, it graced the text box of Aeve, Progenitor Ooze
Ok Jigglypuff #87 (Pokemon XY) Details All prices are the current market price
And because you're running a cheap monocolor manabase, you've got the cash spare for those cards, and more fun stuff besides
Stax: A Critical Distinction I mentioned that Stax tends to overlap with Pillow Fort strategies, but there's a much deeper difference between them
Like most other cards on this list, the degree of error here is what defines the worth of your card (also if it has that big orange lizard on it, it's probably worth a few cents regardless).