32 cards where the illustration contains “boulder”

Argivian Find (Weatherlight #6)
Blighted Cataract (Battle for Zendikar #229)
Boulderbranch Golem (The Brothers' War #197)
Boulder Salvo (Oath of the Gatewatch #102)
Brion Stoutarm (Secret Lair Drop #1450)
Deadshot Minotaur (Alara Reborn #52)
Demolish (Zendikar #121)
Elite Arcanist (Magic 2014 #54)
Enduring Victory (Dragons of Tarkir #16)
Gamble (Eternal Masters #132)
Glimmering Angel (Invasion #17)
Hired Giant (Mercadian Masques #194)
Kalonian Twingrove (Magic 2015 #182)
Kudo, King Among Bears (Modern Horizons 3 #192)
Laughing Hyena (Unhinged #103)
Lavaball Trap (Zendikar #135)
Lobber Crew (Return to Ravnica #99)
Mons's Goblin Raiders (Limited Edition Alpha #164)
Plains (Kamigawa: Neon Dynasty #284)
Plains (Ixalan #260)
Promising Vein (The Lost Caverns of Ixalan #279)
Provoke the Trolls (Kaldheim #144)
Reckless Air Strike (Core Set 2020 #154)
Relic Robber (Zendikar Rising #153)
Rimrock Knight // Boulder Rush (Throne of Eldraine #294)
Runaway Boulder (The Lost Caverns of Ixalan #259)
Stonehoof Chieftain (Commander 2016 #25)
Stone Idol Trap (Worldwake #93)
Titan's Strength (Theros #145)
Turret Ogre (War of the Spark #148)
Two-Headed Giant of Foriys (Limited Edition Alpha #179)
Violent Eruption (Commander 2019 #154)

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