Cheapest priced copy (Strixhaven: School of Mages): $8.99 at Card Kingdom, near mint, their price list as of .
Blex, Vexing Pest // Search for Blex 
Legendary Creature — Pest // Sorcery · 3/2 · Mythic · Strixhaven: School of Mages · #322
Other Pests, Bats, Insects, Snakes, and Spiders you control get +1/+1.
When Blex dies, you gain 4 life.
Look at the top five cards of your library. You may put any number of them into your hand and the rest into your graveyard. You lose 3 life for each card you put into your hand this way.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $8.99 to $24.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Strixhaven: School of Mages Promos | 148s | Mythic | — | $24.99 |
| Strixhaven: School of Mages | 148 | Mythic | $8.99 | $11.99 |
| Strixhaven: School of Mages | 322 | Mythic | $13.99 | $16.99 |
2 rulings from Wizards of the Coast
- 16 April 2021If a creature is more than one of the creature types Blex cares about, it may haunt your dreams, but it will get the +1/+1 bonus only once.
- 16 April 2021While resolving Search for Blex, you may put any number of the cards into your hand, even if you don’t have enough life to cover it. We’ll assume you have a plan that’s better than “and then I’ll lose the game.”