When you do, destroy target creature or planeswalker that player controls
I think you can figure it out from there
They already do sterling work encouraging newbies to try out tabletop Magic: offering basic two-deck packs you can pick up and play for less than a tenner, and even game night packs of five ready-built decks with which you can hook in all your friends
The community features (discussions, social elements) are poorly organized
I did a top 10 in cEDH recently, you can find it here
Each Set Booster contains 12 Magic cards, 1 Art Card, and 1 token/ad card, Helper card, or card from "The List" (a special card from Magic's history-found in 25% of packs), with a combination of 1-4 card(s) of rarity Rare or higher and 3-7 Uncommon, 3-7 Common, and 1 Land cards