If a gambler had all the luck they wouldn't be gambling.

But then I suppose Clover's magic works more on gambling rules, and I wouldn't want to pull you off track.

Unfortunately the weed that summoned the gambling demon the first time is no longer here. Well, not many would actually consider that unfortunate, given how they were.

If you don't want a ritual, I would consider seeing if you can find something he would want to play for.