Cheapest priced copy (Duel Decks: Zendikar vs. Eldrazi): $0.35 at Card Kingdom, near mint, their price list as of .
Induce Despair 
Instant · Common · The List · #DDP-53
As an additional cost to cast this spell, reveal a creature card from your hand.
Target creature gets -X/-X until end of turn, where X is the revealed card's mana value.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Zendikar vs. Eldrazi | 53 | Common | $0.35 | — |
| The List | DDP-53 | Common | $0.35 | — |
| Rise of the Eldrazi | 114 | Common | $0.35 | $0.49 |