Pretty neat concept! I can see some rather deep potential in it.
I think UX would be my biggest issue with the game. The font for the gold cost of the items is pretty hard to read, doubly so when the icons are bobbing up and down in that wave pattern.
I'm also not sure if there's enough of an incentive to buy items for the enemy team.
Good job on the submission!
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Thanks for the feedback! UX def needs some work and I only was really able to play through the game with the current item numbers once so numbers were a little finicky. I was going for something like if you only sold to the heroes you would not make enough money before they won so you'd have to also sell to villians to keep the game going and get more money but it could def be fixed, and the total time could be reduced. Thank you!