15 cards where the text includes “expend” and (the card is available on Paper)

Bakersbane Duo (Bloomburrow #163)
Bark-Knuckle Boxer (Bloomburrow #164)
Barrage of Expendables (Jumpstart #292)
Brambleguard Veteran (Bloomburrow #165)
Byway Barterer (Bloomburrow #129)
Expendable Lackey (Streets of New Capenna #43)
Expendable Troops (Urza's Legacy #8)
Hoarder's Overflow (Bloomburrow #141)
Junkblade Bruiser (Bloomburrow #220)
Muerra, Trash Tactician (Bloomburrow #227)
Pyreswipe Hawk (Bloomburrow Commander #26)
Roughshod Duo (Bloomburrow #150)
Teapot Slinger (Bloomburrow #157)
Trailtracker Scout (Bloomburrow Commander #35)
Wandertale Mentor (Bloomburrow #240)

It is the moment of discovery, the triumph of the mind, and the end of these results.