21 cards where the illustration contains “grinning”

Anchor to Reality (Kamigawa: Neon Dynasty #45)
Besmirch (Conspiracy: Take the Crown #49)
Bog Raiders (Portal #82)
Burrowing (Limited Edition Alpha #138)
Cackling Witch (Mercadian Masques #119)
Goblin Medics (Dominaria Remastered #124)
Goblin Patrol (Urza's Saga #193)
Goblin Raider (Portal Second Age #103)
Goblin Ringleader (Apocalypse #62)
Goblin Rock Sled (The Dark #67)
Goblin Tinkerer (Mirage #180)
Goblin Trenches (Apocalypse #104)
Goblin Turncoat (Legions #72)
Goham Djinn (Invasion #107)
Jetfire, Ingenious Scientist // Jetfire, Air Guardian (Transformers #18)
Jetfire, Ingenious Scientist // Jetfire, Air Guardian (Transformers #18)
Magus of the Wheel (Commander 2015 #27)
Malevolent Whispers (Shadows over Innistrad #173)
Rakish Revelers (Streets of New Capenna #328)
Ratchet, Field Medic // Ratchet, Rescue Racer (Transformers #17)
Ratchet, Field Medic // Ratchet, Rescue Racer (Transformers #17)
Wharf Infiltrator (Eldritch Moon #80)
Wort, Boggart Auntie (Lorwyn #252)

This search is finished. Now the real work can begin.