Cheapest priced copy (Weatherlight): $0.35 at Card Kingdom, near mint, their price list as of .
Tendrils of Despair 
Sorcery · Common · Weatherlight · #83
As an additional cost to cast this spell, sacrifice a creature.
Target opponent discards two cards.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Weatherlight | 83 | Common | $0.35 | — |
3 rulings from Wizards of the Coast
- 4 October 2004If the player has fewer than 2 cards, they discard whatever they have.
- 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.