Cheapest priced copy (Ravnica: Clue Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Steeple Creeper 
Creature — Frog Snake · 4/2 · Common · Ravnica Allegiance · #142
{3}{U}: This creature gains flying 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 | 174 | Common | $0.35 | — |
| Ravnica Allegiance | 142 | Common | $0.35 | $0.49 |