One saboteur as a three-step failure strategy plus one counter-move. Each answer adds a dated line under Saboteurs on your Recipes and Saboteurs page; nothing is replaced.
First name (as on your Codex Dashboard)
Email — your Codex contact address
Submission date — when this version became true
The saboteur — give it a name
How the failure strategy runs (three steps)
The counter-move (one sentence)