After drawing your Life cards, the first player starts the game with their first turn
Each starter set comes pre-built with a deck built from two colors and a booster pack full of extra cards
The upgrades are going to offer a tremendous power boost to the deck: Crown of Flames and Whip Silk allows us to repeatedly trigger Chishiro and new inclusions like Eidolon of Blossoms for just two mana, we have Renata, Called to the Hunt to add counters to all of our creatures, Kodama of the West Tree for insane ramp potential, which pairs well with Avenger of Zendikar, Breath of Fury to put our menacing tokens to use for easy alpha strikes, and more
These are the types of combos you should be looking for
Mother destroys decks low on removal and really punishes any deck without mass removal when they don't have their spot removal right away
Obviously stacking your four Baneslayer Angels on top of each other in a single holder will save space in your binder, but it comes with the increased risk of damaging the cards when taking them out