locate a river, then find and kill one or more edible animals. We need sustenance.

"Darn it!"

draw a face on all the cacti
For goodness sake, we aren't elves!
I didn't say anything about protecting them, just that it would make the place more welcoming.
Ya, to be clear I would also be in favor of drawing faces on the rocks. Or maybe building little rock snowmen to guard our house. They can have stern faces.

You engrave a face on the rock. You are now a dabbling engraver.

"Wow, these trees are really big." Kudo says. "I wonder what they are doing in a desert."

"Uh, guys. I think we are being followed."