I might have a broken deck but I've attended two Magic events with broken decks in the last 6 months and regretted them both.

• Update 2025-05-21 (PST) (AI summary of creator comment): The creator has specified that a significant reason for regretting past Magic events involved:

  • Losing a lot to players they were confident were worse than them at the game. This may inform what could constitute regret for the MagicCon Vegas event.