18 cards where the lore includes “akros”

Akroan Mastiff (Journey into Nyx #3)
Anax and Cymede (Theros #186)
Cavalry Pegasus (Commander 2020 #81)
Colossus of Akros (Theros #214)
Dauntless Onslaught (Jumpstart #99)
Deserter's Quarters (Journey into Nyx #160)
Eidolon of Inspiration (Theros Beyond Death #271)
Impetuous Sunchaser (Born of the Gods #99)
Incendiary Oracle (Theros Beyond Death #140)
Knowledge and Power (Journey into Nyx #101)
Kytheon, Hero of Akros // Gideon, Battle-Forged (Magic Origins #23)
Kytheon, Hero of Akros // Gideon, Battle-Forged (Magic Origins #23)
Kytheon's Irregulars (Game Night 2019 #8)
Lightning Javelin (Magic Origins #153)
Magic Origins Checklist (Magic Origins Tokens #0)
Mortal's Ardor (Duel Decks: Elspeth vs. Kiora #19)
Nyxborn Shieldmate (Born of the Gods #21)
Satyr Piper (Theros #175)
Valor in Akros (Double Masters #37)

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