It looks like a step in a good direction, but the items are too gimmicky at the moment. I'm surprised you resigned from synchronous swings as it looked like a core concept behind the game.
I'm not sure if the items are a good way to bring back the coop aspect that was just removed, so having some other interaction between player as a baseline might be needed.
Versus would be fun with the potential the items have and they could be both a blessing and a curse for the player that got them.