Cheapest priced copy (Forgotten Realms Commander): $0.79 at Card Kingdom, near mint, their price list as of .
Savage Ventmaw 
Creature — Dragon · 4/4 · Uncommon · Foundations · #665
Flying
Whenever this creature attacks, add {R}{R}{R}{G}{G}{G}. Until end of turn, you don't lose this mana as steps and phases end.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
6 printings · $0.79 to $15.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Forgotten Realms Commander | 191 | Uncommon | $0.79 | — |
| Battlebond | 229 | Uncommon | $0.79 | $15.99 |
| Commander 2017 | 191 | Uncommon | $1.49 | — |
| Dragons of Tarkir | 231 | Uncommon | $0.79 | $13.99 |
| Foundations | 665 | Uncommon | $0.79 | — |
| Starter Commander Decks | 240 | Uncommon | $0.79 | — |
One ruling from Wizards of the Coast
- 25 February 2015This mana won't be lost as steps and phases end for the remainder of the turn even if Savage Ventmaw leaves the battlefield during the turn.