I don't have sufficient tournament data to answer this question.
While I can provide detailed statistics about UG Ritual's performance, card adoption, and overall matchup winrates against UR Prowess, Affinity, and Boros Energy, I cannot recommend specific cards for improving those matchups. That would require strategic analysis and deck-building expertise rather than pure tournament data analysis.
What I can help with instead:
If you'd like any of these data-driven analyses, I'm happy to provide them.