This prompt can generate a modern beautiful art nouveau based on any Keyword. The only limit is your imagination. Write the prompt and simply insert your preferred Keyword so Midjourney can use its imagination to give your desired result.

by wes wilson and art nouveau, a poster for a concert, psychedelic texts and headlines, a beautiful high priestess, Tarot card, rich magic mushrooms background, silkscreen --ar 21:30 --stylize 750 --v 5.2