16 cards where the full Oracle text includes “scavenge only”

Bannerhide Krushok (Modern Horizons 2 #149)
Boneyard Mycodrax (Commander 2020 #40)
Deadbridge Goliath (Return to Ravnica #120)
Dodgy Jalopy (New Capenna Commander #58)
Dreg Mangler (Double Masters 2022 #204)
Drudge Beetle (Ravnica Remastered #136)
Golgari Decoy (Return to Ravnica #127)
Korozda Monitor (Return to Ravnica #129)
Sewer Shambler (Ravnica Remastered #91)
Slitherhead (Ravnica Remastered #226)
Sluiceway Scorpion (Return to Ravnica #198)
Terrus Wurm (Return to Ravnica #80)
Thrashing Mossdog (Ravnica: Clue Edition #176)
Varolz, the Scar-Striped (Dragon's Maze #112)
Young Deathclaws (Fallout #125)
Zanikev Locust (Return to Ravnica #84)

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