Cheapest priced copy (Core Set 2020): $0.35 at Card Kingdom, near mint, their price list as of .
Celestial Messenger 
Creature — Bird Spirit · 3/2 · Common · Core Set 2020 · #287
Flash (You may cast this card any time you could cast an instant.)
Flying
This creature gets +1/+1 as long as you control a Yanling planeswalker.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Core Set 2020 | 287 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 12 July 2019Because damage remains marked on a creature until it's removed as the turn ends, nonlethal damage dealt to Celestial Messenger may become lethal if your Yanling planeswalker leaves the battlefield during that turn.