Your free location has to have a cost of four or less, but thats not a problem at all since it meshes very well with Jims second ability
That way when you go back and say, the double blade, I can easily be like: yeah what of it
the Anowon deck is going to need a lot less, since its curve is much lower, but youll still want to make sure you can hit your land drops so you can cast counterspells
Cards requiring Shinedust will not have this 'Stop Sign', but you will be prompted about the Shinedust you'll have to spend to conduct this trade - whether you have them or not
Set a budget and stick to it, adjusting only after reflection, not emotion
While all but 2 of the creatures in the stock precon are already artifacts, this card offers a lot of synergy if you add more nonartifact creatures over time