Cheapest priced copy (Ravnica: Clue Edition): $0.35 at Card Kingdom, near mint, their price list as of .
War Screecher 
Creature — Bird · 1/3 · Common · Ravnica: Clue Edition · #80
Flying
{5}{W}, {T}: Other creatures you control get +1/+1 until end of turn.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: Clue Edition | 80 | Common | $0.35 | — |
| War of the Spark | 39 | Common | $0.35 | $0.49 |