This is just a challenge I thought of while trying to weather my creative block, so I will not be giving out awards. I would just like to see how well you all can execute a mechanic by R&D with a Storm Scale rating of at least 8. Mechanics and keywords with a rating of at least 8 tend to be more difficult to design, so I want to see how well you can design with them in mind.
Link to SS article :https://mtg.gamepedia.com/Storm_Scale
My example, using Haunt :