Possible powers to include:
Trash Missile, which fires a random bit of junk at the enemy
Garbage Armour, which forms a protective layer of debris around the user.
Trash Flood, which sends a wave of junk coursing along the ground at high speeds, potentially knocking enemies over and dealing damage.
Trash Compactor, a hold that attempts to catch the enemy in the constrictive grasp of junk.
Junknado, an area damage effect of whirling garbage.
Garbage Golem, which produces an exceptionally durable summon that is not otherwise exceptional, except possibly in terms of odor.
Sludge Hammer, a big, round area of effect that deals smashing damage and knockdown.