I'm going to spitball some opinions and ideas without thinking it too much.
- Overall I like the idea. It's simple and opens up many possibilities.
- Theme is a bit ambiguous but it works pretty well I think
- Art fits very nicely so no need to request new one imo
- card does something that is so close to copying that
![Aether :aether](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/aether18x18.png)
could be a better option for element
- I think that you should be able to target ANY creature, not just enemy ones. I like the idea of playing one expensive creature and then tracing that to pay for the rest
- Main issue: unupped and upped are way too different. Upped version should be just slighty better/different, not completely different, and definitely not much worse in some cases.
The way I see it, we have two cards here. First one is
![Aether :aether](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/aether18x18.png)
and second one is
![Entropy :entropy](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/entropy18x18.png)
. I would dump the upped version and go with the unupped mechanics, making card cost the only difference between the two. As an
![Aether :aether](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/aether18x18.png)
card, it would have some fun synergy with cards like Mindgate and Fractal, as long as it could be made not too OP.
![Entropy :entropy](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/entropy18x18.png)
already has Nova so I think this should go to some other element.
But yea, definitely an interesting idea.