26 cards where the card types include “assassin” and the rarity is equal to common

A-Guildsworn Prowler (Alchemy Horizons: Baldur's Gate #A-160)
A-Midnight Assassin (Streets of New Capenna #A-87)
Briarblade Adept (Commander Legends #111)
Darkblade Agent (Guilds of Ravnica #164)
Deadeye Duelist (Outlaws of Thunder Junction #119)
Eyeblight Assassin (Commander Legends #123)
Final-Sting Faerie (Morningtide #63)
Gixian Skullflayer (The Brothers' War #100)
Guildsworn Prowler (Commander Legends: Battle for Baldur's Gate #130)
Hired Blade (Core Set 2019 #100)
Hired Poisoner (Guilds of Ravnica #72)
Hooded Assassin (Fate Reforged #73)
Kraul Stinger (War of the Spark #165)
Lurking Deadeye (Ikoria: Lair of Behemoths #94)
Midnight Assassin (Streets of New Capenna #87)
Nirkana Assassin (Battle for Zendikar #118)
Orzhov Euthanist (Ravnica Remastered #88)
Repeat Offender (Murders at Karlov Manor #101)
Rooftop Assassin (Outlaws of Thunder Junction #103)
Ruthless Ripper (Masters 25 #107)
Stingblade Assassin (Wilds of Eldraine #109)
Thorn of the Black Rose (Commander Masters #190)
Thrill-Kill Assassin (Ravnica Remastered #94)
Vraska's Finisher (War of the Spark #112)
Weed-Pruner Poplar (Morningtide #83)
Zombie Assassin (Odyssey #168)

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