I tried to play your game a bit.
The visuals of the game are ok, but look somewhat “generic”.
The main impression is that that the game works like this:
- You press “play”
- You watch multiple animations happen for a long time
- You lose
Besides that, I was not able to do anything.
My suggestion would be to offer smaller decks initial both for player and opponent, and maybe add “turn-by-turn” mode so that the player has a chance to understand what happens in battles.
Also, buying cards seems to require some “wildcard” resource, which (is probably?) awarded for winning, but since the player always loses, there is no way to get new cards. I suggest giving some resource to new player just to give a chance to do anything in the game
Using “full screen” mode in web version (Windows / Firefox) resulted in game becoming wider than screen, with about 10% cut off on both sides.