20 cards where the text includes “extort”

Aerial Extortionist (Murders at Karlov Manor Commander #54)
Basilica Guards (Ravnica Remastered #7)
Basilica Screecher (Ravnica: Clue Edition #105)
Blind Obedience (Ravnica Remastered #9)
Crypt Ghast (Ravnica Remastered #70)
Dockside Extortionist (Double Masters 2022 #107)
Kingpin's Pet (Gatecrash #173)
Knight of Obligation (Gatecrash #18)
Life Insurance (Duskmourn: House of Horror Commander #224)
Pontiff of Blight (Commander Legends: Battle for Baldur's Gate #768)
Sorin of House Markov // Sorin, Ravenous Neonate (Modern Horizons 3 #245)
Sorin of House Markov // Sorin, Ravenous Neonate (Modern Horizons 3 #245)
Syndicate Enforcer (Ravnica: Clue Edition #123)
Syndicate Heavy (Ravnica: Clue Edition #47)
Syndic of Tithes (Ravnica: Clue Edition #74)
Temporal Extortion (Planar Chaos #81)
Thrull Parasite (Gatecrash #81)
Tithe Drinker (Commander 2017 #200)
Treasury Thrull (Commander 2015 #235)
Veko, Death's Doorkeeper (Alchemy: Murders at Karlov Manor #30)
Vizkopa Confessor (Gatecrash #205)

Though this query has ended, its relics still slumber in New Argive.