They played well enough in the biodome, and they all had cool upgrade paths, but there were problems with them
It was funny because I didnt get a voltorb for ages, and still to this day think voltrob is rare, as it took me much longer to obtain
Put a +1/+1 counter on a creature you control
Codsworth, Handy Helper (22k, $5 to $13) Codsworth does two fantastic things for Aura/Equipment decks, and adds a Ward 2 on top of that
It sees extensive play in every format where its legal
That usually puts it out of range for the avid budgeteers, but it does mean anyone who's picking up the Scrappy Survivor precon can add one to their collection