39 cards where the illustration contains “insect-people”

Amzu, Swarm's Hunger (Ravnica: Clue Edition #24)
Break Asunder (Scourge #113)
Broodhatch Nantuko (Masters 25 #162)
Broodhatch Nantuko (Onslaught #250)
Death Pulse (Onslaught #137)
Insect (Dominaria United Tokens #7)
Kraul Foragers (Guilds of Ravnica #135)
Kraul Harpooner (Guilds of Ravnica #136)
Kraul Raider (Guilds of Ravnica #270)
Kraul Stinger (War of the Spark #165)
Kraul Swarm (Guilds of Ravnica #73)
Kraul Warrior (Dragon's Maze #42)
Kraul Whipcracker (Murders at Karlov Manor #213)
Kraul Whipcracker (Murders at Karlov Manor #364)
Mausoleum Secrets (Guilds of Ravnica #75)
Mazirek, Kraul Death Priest (Commander 2015 #48)
Nantuko Blightcutter (Torment #131)
Nantuko Calmer (Torment #132)
Nantuko Cultivator (Modern Horizons #173)
Nantuko Cultivator (Torment #133)
Nantuko Disciple (Odyssey #253)
Nantuko Elder (Odyssey #254)
Nantuko Husk (Onslaught #159)
Nantuko Mentor (Odyssey #255)
Nantuko Shade (Torment #74)
Nantuko Shaman (Time Spiral #208)
Nantuko Slicer (Alchemy: Dominaria #17)
Nantuko Tracer (Judgment #125)
Nantuko Vigilante (Legions #132)
Phantom Nantuko (Judgment #128)
Pinpoint Avalanche (Onslaught #221)
Refresh (Odyssey #264)
Shade's Breath (Onslaught #167)
Swamp (Return to Ravnica #262)
Thriss, Nantuko Primus (Judgment #134)
Undercity Uprising (Guilds of Ravnica #210)
Xira Arien (Dominaria Remastered #205)
Xira Arien (Legends #270)
Xira, the Golden Sting (Dominaria United Commander #48)

In the blink of an eye, they strode from deep snow to the end of this search.