Brand new

Where’s the best place to learn? Read about it online. Learning meta. Want to crush my ding-dong friend when I visit. Money is not an issue when it comes to building a deck. I recall him once telling me red was a spell deck that kind of hits hard and fast? Green was big monsters? Not sure. Need somewhere that will nutshell it all for me.

He plays Terran mech in StarCraft 2. He’s stubborn and unwilling to change for the rest of his life. Plz help. Ty in advance.