...This mode doesn't teach you anything.
Get yourself a tutorial, you certainly got time before the queue pops. I'm serious this was my first experience with these 'auto chess' games, and I don't feel like I was even given a chance.
I didn't even know you could merge items, I ACCIDENTALLY merged them when I thought "Hey Mordekaiser's getting hurt, let me get him armo- Ooookay it's now Guardian Angel."