It's rather misleading because the effect is simple and good in that you can add up to two ingenuity counters per turn and cast an artifact for free based on the number of those counters
By modern standards these lands are somewhat weak as they cannot be used in conjunction with Fetch Lands, but it's important to remember that the original Onslaught era Fetch Lands were a long ways away at this point
Anything that interacts with artifacts will interact with Contraptions
Jam-packed with a Collector Booster, Rare cards, Traditional Foil Treatments cards, special alternate-borders, a themed 4 promo card scene series, and more
But there are still a lot of wizards that simply have a variety of abilities
The efficient mana cost makes it very easy to cast Activated Sleeper after a board wipe to get a copy of the best creature that died or use it to pull off other tricks