Cheapest priced copy (Duel Decks: Ajani vs. Nicol Bolas): $0.49 at Card Kingdom, near mint, their price list as of .
Firemane Angel 
Creature — Angel · 4/3 · Rare · Ravnica: City of Guilds · #205
Flying, first strike
At the beginning of your upkeep, if Firemane Angel is in your graveyard or on the battlefield, you may gain 1 life.
{6}{R}{R}{W}{W}: Return this card from your graveyard to the battlefield. Activate only during your upkeep.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
5 printings · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Ajani vs. Nicol Bolas | 21 | Rare | $0.49 | — |
| GRN Guild Kit | 88 | Rare | $0.79 | — |
| Iconic Masters | 199 | Rare | $0.49 | $0.79 |
| The List | RAV-205 | Rare | $0.49 | — |
| Ravnica: City of Guilds | 205 | Rare | $0.49 | $2.49 |
One ruling from Wizards of the Coast
- 17 November 2017If Firemane Angel is put into your graveyard from the battlefield or returned from your graveyard to the battlefield during your upkeep before its triggered ability resolves, you won't gain 1 life.