Cheapest priced copy (Core Set 2021): $0.35 at Card Kingdom, near mint, their price list as of .
Dire Fleet Warmonger 
Creature — Orc Pirate · 3/3 · Uncommon · Core Set 2021 · #217
At the beginning of combat on your turn, you may sacrifice another creature. If you do, this creature gets +2/+2 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Core Set 2021 | 217 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 23 June 2020You choose whether to sacrifice a creature and which to sacrifice as Dire Fleet Warmonger's ability resolves. No player can take action between the time you make that choice and the time it gets +2/+2 and has trample, if appropriate.
- 23 June 2020While resolving Dire Fleet Warmonger's ability, you can't sacrifice multiple creatures to give it more than +2/+2 and trample.