The only $5 non-attack cards rated above Lab in Qvist's ratings this year are Hunting Party, Junk Dealer, Counterfeit, Upgrade, Tactician, Haggler, Governor, and Wharf. Tactician, Wharf, and HP usually offer better (pseudo-) non-terminal draw than Lab does, and Governor is in its own category of non-attack awesomeness. The trashers are good, but you probably don't want too many of them because they'll eventually run out of fuel. Similarly, you usually don't want too many Hagglers, since they're non-terminal. But unless Wharf/Tactician/HP is on the board, Lab is often the best non-terminal draw around, and well worth spamming once your economy is strong enough.