For Strixhaven, the Lorehold and Silverquill theme boosters are excellent choices as both factions have several vigilance cards
Not only that, but its not unreasonable to equip Thief's Knife to something more evasive later in the game and get a ton of value
It works as a silver bullet against certain strategies: Aggro decks hate it because creatures effectively lose haste, it slows down artifact decks that rely on churning out fast mana and rocks
Allowing you to either gain a +1/+1 counter, Scry 3, or Earthbend 3 with ATLA 's newest mechanic, you'll need to have at least 3 Lessons in your graveyard to take full advantage of Bumi's entry effects
If you actually pay attention to the cards you're trading for, your brain will often subconsciously find things "off" on many fakes
Read what's written on the card