Cheapest priced copy (Invasion): $0.35 at Card Kingdom, near mint, their price list as of .
Tower Drake 
Creature — Drake · 2/1 · Common · Return to Ravnica · #55
Flying
{W}: This creature gets +0/+1 until end of turn.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 82 | Common | $0.35 | $1.49 |
| Return to Ravnica | 55 | Common | $0.35 | $0.49 |