Cheapest priced copy (Fate Reforged): $0.35 at Card Kingdom, near mint, their price list as of .
Marang River Prowler 
Creature — Human Rogue · 2/1 · Uncommon · Fate Reforged · #40
This creature can't block and can't be blocked.
You may cast this card from your graveyard as long as you control a black or green permanent.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fate Reforged | 40 | Uncommon | $0.35 | $0.49 |
| Ultimate Masters | 65 | Uncommon | $0.35 | $0.49 |
| Zendikar Rising Commander | 29 | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 7 December 2018Marang River Prowler checks if you control a black or green permanent only as you begin to cast it. Once you begin to cast Marang River Prowler from your graveyard, it doesn't matter what happens to the black or green permanents you control.
- 7 December 2018You must follow the normal timing permissions and restrictions and pay its cost to cast Marang River Prowler from your graveyard.