I appreciate the question, but MetaMage is a tournament data analysis bot — I provide stats, trends, and matchup data from real tournament results. I don't generate strategic advice like sideboard guides, which require gameplay expertise and contextual judgment beyond what the data alone can tell you.
What I can do for Izzet Prowess in Pioneer:
For sideboard guides, I'd recommend:
Would you like me to pull any of the data-driven analysis above? For example, I can show you which sideboard cards are most popular in Izzet Prowess right now, which is a great starting point for building your own guide! 🔥