Cheapest priced copy (Double Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Silumgar Scavenger 
Creature — Zombie Bird · 2/3 · Common · Double Masters · #105
Flying
Exploit (When this creature enters, you may sacrifice a creature.)
Whenever another creature you control dies, put a +1/+1 counter on this creature. It gains haste until end of turn if it exploited that creature.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters | 105 | Common | $0.35 | $0.49 |
| Modern Horizons | 107 | Common | $0.35 | $0.49 |
4 rulings from Wizards of the Coast
- 7 August 2020You choose whether to sacrifice a creature and which creature to sacrifice as the exploit ability resolves. A creature can exploit itself.
- 7 August 2020You can't sacrifice more than one creature to any one exploit ability.
- 7 August 2020If Silumgar Scavenger is dealt lethal damage at the same time as another creature you control, it won't receive a counter from its last ability in time to save it.
- 7 August 2020A creature with exploit “exploited that creature” if the controller of the creature's exploit ability sacrificed a creature as the exploit ability resolved.