Cheapest priced copy (Iconic Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Benevolent Ancestor 
Creature — Spirit · 0/4 · Common · Ravnica: City of Guilds · #3
Defender (This creature can't attack.)
{T}: Prevent the next 1 damage that would be dealt to any target this turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Iconic Masters | 12 | Common | $0.35 | $0.49 |
| The List | IMA-12 | Common | $0.35 | — |
| Ravnica: City of Guilds | 3 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 17 November 2017If the target would be dealt damage by multiple sources at once, that player or that permanent’s controller chooses one of those sources at the time damage would be dealt, and 1 of that damage from that source is prevented.