Cheapest priced copy (Theros): $0.35 at Card Kingdom, near mint, their price list as of .
Satyr Piper 
Creature — Satyr Rogue · 2/1 · Uncommon · Theros · #175
{3}{G}: Target creature must be blocked this turn if able.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Theros | 175 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 15 September 2013If multiple attacking creatures must be blocked, the defending player must assign blockers in such a way that the greatest number of those attacking creatures are blocked.
- 15 September 2013During the declare blockers step, the defending player must assign at least one blocker to each creature that must be blocked if that player controls any creatures that could block it.