Cheapest priced copy (Murders at Karlov Manor Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Showstopping Surprise 
Instant · Rare · Murders at Karlov Manor Commander · #35
Choose target creature you control. Turn it face up if it's face down. Then it deals damage equal to its power to each other creature.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $0.59 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Murders at Karlov Manor Commander | 35 | Rare | $0.49 | — |
| Murders at Karlov Manor Commander | 345 | Rare | $0.59 | — |
One ruling from Wizards of the Coast
- 2 February 2024If the target creature is a face-down creature that can’t be turned face up for any reason, it will remain face down on the battlefield and still deal damage equal to its power (which is very likely to be 2) to each other creature.