Cheapest priced copy (Duskmourn: House of Horror Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Thirst for Meaning 
Instant · Common · Theros Beyond Death · #74
Draw three cards. Then discard two cards unless you discard an enchantment card.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
3 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror Commander | 129 | Common | $0.35 | — |
| Theros Beyond Death | 74 | Common | $0.35 | $0.49 |
| Theros Beyond Death | 354 | Common | $0.59 | $1.49 |
One ruling from Wizards of the Coast
- 24 January 2020You can discard either one enchantment card or two cards which may or may not be enchantments. If you really want to, you can discard two enchantment cards.