Hey CFHM, good to see you again this year!
I haven't really played many card games so it took a few tries (along with reading the description) for me to grasp how the game worked. The take on the theme is very creative and something I haven't seen yet, and the sprites of the portals and enemies were charming. When I began to understand how the game worked it gave me a sort of "Aha" moment lol.
Since I'm really unfamiliar with deckbuilders, it's a bit difficult for me to properly comment on design. However I feel like a little bit more player feedback with like animations and effects could really help someone like me figure out how the game works (Obviously it's a jam game; a proper deckbuilder is impressive).
Overall it was really fun! I think I might keep playing it every now and then like I did with your last submission Wisps; these sorts of games are kind of growing on me and I might try more of that genre soon.
Great work, and goodluck with the rest of the jam!