I don't think they could've changed the cost of activating it. As mentioned, when you have Urza's Mine, Urza's Tower, and Urza's Power Plant, you can tap them all for 
mana. Not only that, but Assembly Workers were 'assembled' in Mishra's Factory.
When you add two and two together, it makes sense. It's just a shame it isn't that effective.
Posted By:
Ferlord
(11/26/2013 7:55:10 PM)
Uh, guys, there were 9 of these between the top 8 decks at GP Krakow 2007. I think it deserves a bit better than 2.8 stars.
Posted By:
HuntingDrake
(1/31/2014 11:39:16 PM)
Cool. Where's Urzatron though? Feels a little weird that we got this but not its inspiration.
Posted By:
Continue
(10/30/2013 9:52:29 PM)
Interesting but not terribly useful card by itself.
The real question is: Why is this card in Mind Seize?
My wife and I have played the precons against each other a few times and this thing hasn't ever done anything but tap for mana. With so much card draw in the deck, it never needs a random mana sink.
If anything it should have been in Power Hungry to make sac fodder.
Posted By:
z06kicks
(11/15/2013 8:06:44 PM)
I find this thing absolutely useless in "Mind Seize". Just like the gates, it's getting swapped out.
Posted By:
Beladona_13
(11/17/2013 6:02:11 PM)
I could see this being kinda useful in a deck running Urza's Mine, Urza's Power Plant, and Urza's Tower as well as this, and having lots of means to populate and create copies, though there is better.... still, in an EDH deck, if I am running a deck where I can only run non-basics that tap for colorless, and I am running Urza's Mine, Urza's Power Plant, and Urza's Tower, this helps (even if not as much as having the 3 Urza lands, and being able to tap the mine and powerplant for 
, the tower for 
, once all three are out).
Posted By:
Travelsonic
(11/26/2013 11:55:18 AM)
Insanely powerful. 8 mana may be a lot, but you get what you pay for. Hard-to-remove threats that keep getting bigger and can't be countered are always strong.
Posted By:
PopcornBunni
(5/29/2014 2:05:57 AM)