Save your unopened packs for late in the Mastery season , that way when you open all your packs you're more likely to reach duplicate protection (for rares and mythics) and earn wildcards because you have four of that common or uncommon
Furthermore, although your Devil tokens only deal one damage upon dying, cards like Torbran, Thane of Red Fell, and Impact Tremors will help increase your damage output
If you find yourself with additional time on your hands and would like a chance to use some of what you learned today, I recommend Josh Bennett's excellent article "Introducing the Pit Fighter Legends" where he not only coins the term "facesmashery", but where he also puts some of the best writing chops in Magic on display for all to see
Rat King, Pale Piper Rat King, Pale Piper turns any of your tokens into clues, and gives your side of the battlefield an exceedingly easy way to keep rats in play
I have a huge number of discards here in this brew, and Telekinetic Bonds will turn them all into untaps with a two-mana investment
The Cats and Vampires decks have their own corresponding booklets that take you turn-by-turn through an introductory game of MTG