15 cards where (the text includes “living” and the text includes “weapon”)

Batterbone (Modern Horizons 2 #221)
Batterskull (Double Masters #234)
Bitterthorn, Nissa's Animus (March of the Machine Commander #45)
Bonehoard (Neon Dynasty Commander #147)
Flayer Husk (Double Masters #256)
Kaldra Compleat (Commander Masters #958)
Lashwrithe (Commander 2014 #245)
Mortarpod (Modern Masters 2015 #222)
Necropouncer (New Phyrexia #147)
Nettlecyst (Murders at Karlov Manor Commander #233)
Scytheclaw (Commander Masters #408)
Sickleslicer (Double Masters #287)
Skinwing (Double Masters #288)
Strandwalker (Mirrodin Besieged #137)
Tangleweave Armor (Phyrexia: All Will Be One Commander #26)

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