10 cards where the illustration contains “blue-cloak”

Bile Blight (Born of the Gods #61)
Bitter Reunion (The Brothers' War #127)
Cadira, Caller of the Small (Commander Legends: Battle for Baldur's Gate #269)
Cathartic Operation (Alchemy: Outlaws of Thunder Junction #20)
Commodore Guff (Commander Masters #706)
Dimir Infiltrator (Ravnica: City of Guilds #203)
Gifts Ungiven (Signature Spellbook: Jace #5)
Guildpact Informant (War of the Spark #271)
Lavinia of the Tenth (Dragon's Maze #80)
Tragic Fall (Modern Horizons 2 #104)

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