Cheapest priced copy (The Lost Caverns of Ixalan): $0.49 at Card Kingdom, near mint, their price list as of .
Deep-Cavern Bat 
Creature — Bat · 1/1 · Uncommon · The Lost Caverns of Ixalan · #406
Flying, lifelink
When this creature enters, look at target opponent's hand. You may exile a nonland card from it until this creature leaves the battlefield.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Lost Caverns of Ixalan | 102 | Uncommon | $0.49 | $0.99 |
| The Lost Caverns of Ixalan | 406 | Uncommon | $0.99 | $2.49 |
| Store Championships | 33 | Rare | $1.79 | — |
One ruling from Wizards of the Coast
- 10 November 2023If Deep-Cavern Bat leaves the battlefield before its last ability resolves, you'll still look at the target opponent's hand, but you won't exile any cards from it.