16 cards where the text includes “assist” and (the card is available on Paper) and the set is “bbd”

Bloodborn Scoundrels (Battlebond #45)
Bring Down (Battlebond #26)
Charging Binox (Battlebond #66)
Dwarven Lightsmith (Battlebond #27)
Fan Favorite (Battlebond #46)
Game Plan (Battlebond #35)
Gang Up (Battlebond #47)
Huddle Up (Battlebond #36)
Lava-Field Overlord (Battlebond #60)
Magma Hellion (Battlebond #61)
Out of Bounds (Battlebond #38)
Play of the Game (Battlebond #29)
Skystreamer (Battlebond #31)
Spellweaver Duo (Battlebond #42)
The Crowd Goes Wild (Battlebond #68)
Vampire Charmseeker (Battlebond #78)

The arc of my blade has carved a path of light to the end of these results.