21 cards where the illustration contains “acorn”

Acorn Catapult (Commander 2011 #241)
Acornelia, Fashionable Filcher (Unsanctioned #31)
Chatter of the Squirrel (Secret Lair Drop #195)
Child of Thorns (Betrayers of Kamigawa #123)
Chitterspitter (Modern Horizons 2 #460)
Earl of Squirrel (Unstable #108)
Earl of Squirrel (Unstable Promos #108)
Ellivere of the Wild Court (Wilds of Eldraine Commander #2)
Generous Visitor (Kamigawa: Neon Dynasty #185)
Half-Squirrel, Half- (Unstable #111)
Misunderstood Trapeze Elf (Unfinity Sticker Sheets #5)
Night Shift of the Living Dead (Unfinity #81)
Reckless Detective (Murders at Karlov Manor #141)
Rescuer Chwinga (Commander Legends: Battle for Baldur's Gate #39)
Roots (Homelands #95)
Saruli Caretaker (Ravnica Allegiance #139)
Squirrel Mob (Secret Lair Drop #197)
Squirrel Wrangler (Secret Lair Drop #198)
Swarmyard (Secret Lair Drop #199)
Urza's Dark Cannonball (Unfinity Sticker Sheets #4)
Willow Faerie (Homelands #99b)

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