Next turn he could sing something like Mother Knows Best, then you could use Max Goof Rebellious Teen to get it straight back
Both are nice additions to the Starter Decks already being offered from previous sets, and they're both built in a way that should be easy enough to learn from a newcomer's perspective
While we already saw the power of Thalia in powered formats, where she can hate out combo decks and slow down sweepers, such as in the Five-Color Humans deck above, the card has also enjoyed a great deal of success as just a good card for aggressive, creature-heavy decks. Creatures (27) 3 Fiend Hunter 4 Champion of the Parish 3 Avacyn's Pilgrim 3 Mayor of Avabruck 3 Thalia, Guardian of Thraben 2 Restoration Angel 3 Sigarda, Host of Herons 4 Silverblade Paladin 2 Druid's Familiar Lands (25) Spells (8) While Thalias ability is so good, she would likely see a fair bit of play even without first strike, its actually the first strike that really gets her over the finish line
If you open one of these, you're in luck
If you and I both have a copy of Narset in play, we can't draw more than one card per turn, but we both can still use impulse-like effects like Narset's own ability
