Cheapest priced copy (Mystery Booster 2): $11.99 at Card Kingdom, near mint, their price list as of .
Culling the Weak 
Instant · Rare · Secrets of Strixhaven Mystical Archive · #27
As an additional cost to cast this spell, sacrifice a creature.
Add {B}{B}{B}{B}.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
8 printings · $11.99 to $199.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Exodus | 55 | Common | $12.99 | — |
| Mystery Booster 2 | 40 | Common | $11.99 | — |
| Media and Collaboration Promos | 2023-8 | Rare | — | — |
| Secret Lair Drop | 883 | Rare | — | $199.99 |
| Secret Lair Drop | 1818 | Rare | $20.99 | $24.99 |
| Secrets of Strixhaven Mystical Archive | 27 | Rare | $12.99 | $16.99Out of stock |
| Secrets of Strixhaven Mystical Archive | 92 | Rare | $12.99 | — |
| Secrets of Strixhaven Mystical Archive | 157 | Rare | — | $69.99 |
2 rulings from Wizards of the Coast
- 15 April 2013Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the creature you sacrificed to prevent you from casting this spell.
- 15 April 2013You must sacrifice exactly one creature to cast this spell; you cannot cast it without sacrificing a creature, and you cannot sacrifice additional creatures.