Move That Boulder!

"Look! A boulder blocks the way. Look!
There might be some money behind that boulder.
Look! It is pretty heavy, maybe you can move it."
•DC 15-You have moved the boulder, 1d10+4 gold.
•DC 25-Success, draw a treasure card.
•DC 35-Success, draw 3 treasure cards,
pick one card, then shuffle the rest into
the treasure deck.