Vigilance , : Search your library for an Equipment card, put it onto the battlefield, attach it to a creature you control, then shuffle.
"Indeed," said Glóin, "if it were not for the Beornings, the passage from Dale to Rivendell would long ago have become impossible. They are valiant Men."
LTC · EN Greg Hildebrandt & Tim Hildebrandt2023-11-03
Stonehewer Giant's ability doesn't target a creature. However, the creature must be able to be legally equipped by the Equipment. For example, you could attach the Equipment to a creature with shroud, but not to one with protection from artifacts.
07-08-2020
wotc
If there is no legal creature for you to attach the Equipment to, it remains on the battlefield unattached.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.