Cheapest priced copy (Throne of Eldraine): $0.35 at Card Kingdom, near mint, their price list as of .
Outflank 
Instant · Common · Foundations Jumpstart · #233
Outflank deals damage to target attacking or blocking creature equal to the number of creatures you control.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Throne of Eldraine | 23 | Common | $0.35 | $0.49 |
| Foundations Jumpstart | 233 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 4 October 2019Count the number of creatures you control as Outflank resolves to determine how much damage Outflank deals.