Despite being rather expensive at six-mana, Narsets stats only put her at a 3/2, though she has both hexproof and first strike, so shes fairly difficult to deal with
MtG Foundations Common Foil Campus Guide Artifact Creature Golem 2/1 When Campus Guide enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top
If you want to hear about how ridiculously good Congregate can be, email Anthony
Your opponent shuffles the revealed cards back into their deck
The spells you're going to want the most are what are called "removal spells"these are the spells that permanently neutralize your opponent's creatures by either dealing damage, keeping them tapped, or just straight up destroying them