Cheapest priced copy (Magic 2013): $0.35 at Card Kingdom, near mint, their price list as of .
Roaring Primadox 
Creature — Beast · 4/4 · Uncommon · Magic 2015 · #196
At the beginning of your upkeep, return a creature you control to its owner's hand.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Magic 2013 | 188 | Uncommon | $0.35 | $0.49 |
| Magic 2015 | 196 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 July 2012Roaring Primadox’s ability is mandatory. When it resolves, if Roaring Primadox is the only creature you control, you must return it to its owner’s hand.
- 18 July 2014The ability doesn’t target any creature. You choose which one to return when the ability resolves. No player can respond to this choice once the ability starts resolving.