Cheapest priced copy (Commander Legends): $0.79 at Card Kingdom, near mint, their price list as of .
Plague Reaver 
Creature — Beast · 6/5 · Rare · Commander Legends · #143
At the beginning of your end step, sacrifice each other creature you control.
Discard two cards, Sacrifice this creature: Choose target opponent. Return this creature to the battlefield under that player's control at the beginning of their next upkeep.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.79 to $1.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends | 143 | Rare | $0.79 | $0.79 |
| Commander Legends | 652 | Rare | $1.79 | $0.99 |
2 rulings from Wizards of the Coast
- 10 November 2020If the chosen opponent leaves the game after the activated ability resolves but before the delayed triggered ability returns Plague Reaver to the battlefield, Plague Reaver stays in the graveyard.
- 10 November 2020If Plague Reaver is put onto the battlefield under the control of someone other than its owner, and that player leaves the game, Plague Reaver is exiled.