Cheapest priced copy (Amonkhet): $1.29 at Card Kingdom, near mint, their price list as of .
Shadow of the Grave 
Instant · Rare · Amonkhet · #107
Return to your hand all cards in your graveyard that you cycled or discarded this turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $1.29 to $5.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Amonkhet | 107 | Rare | $1.29 | $4.99 |
| Amonkhet Promos | 107s | Rare | — | $5.99 |
2 rulings from Wizards of the Coast
- 18 April 2017If you discard a card with madness but don’t cast it, Shadow of the Grave can find it in your graveyard. If you do cast that card, Shadow of the Grave can’t find it in your graveyard.
- 18 April 2017Shadow of the Grave returns to your hand all cards that you discarded for any reason—a card you cycled, cards you discarded to an opponent’s Unburden, and a card you discarded to cast Tormenting Voice all count.