9 cards where the lore includes “phenax”

Black Oak of Odunos (Born of the Gods #62)
Cast into Darkness (Journey into Nyx #63)
Disciple of Phenax (Theros #84)
Extinguish All Hope (Commander Masters #157)
Hubris (Journey into Nyx #41)
Minion's Return (Theros Beyond Death #104)
Phenax, God of Deception (Born of the Gods #152)
Spiteful Blow (Journey into Nyx #83)
Treacherous Blessing (Theros Beyond Death #117)

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