11 cards where it’s legal in Commander and the name includes “sword” and the name includes “of” and the text includes “protection”

Sword of Body and Mind (Double Masters #295)
Sword of Feast and Famine (Double Masters #296)
Sword of Fire and Ice (Double Masters #297)
Sword of Forge and Frontier (Phyrexia: All Will Be One #244)
Sword of Hearth and Home (Modern Horizons 2 #238)
Sword of Light and Shadow (Double Masters #298)
Sword of Once and Future (March of the Machine #265)
Sword of Sinew and Steel (Modern Horizons #228)
Sword of Truth and Justice (Modern Horizons #229)
Sword of War and Peace (Double Masters #300)
Sword of Wealth and Power (The Big Score #26)

The message was clear to Sorin—time to search for something else.