Cheapest priced copy (Oath of the Gatewatch): $0.35 at Card Kingdom, near mint, their price list as of .
Consuming Sinkhole 
Instant · Common · Oath of the Gatewatch · #94
Devoid (This card has no color.)
Choose one —
• Exile target land creature.
• Consuming Sinkhole deals 4 damage to target player or planeswalker.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Oath of the Gatewatch | 94 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 22 January 2016A “land creature” is a permanent that’s both a land and a creature.