Cheapest priced copy (Commander Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Whisper, Blood Liturgist 
Legendary Creature — Human Cleric · 2/2 · Uncommon · Commander Masters · #198
{T}, Sacrifice two creatures: Return target creature card from your graveyard to the battlefield.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.35 to $0.69 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Masters | 198 | Uncommon | $0.35 | $0.49 |
| Dominaria | 111 | Uncommon | $0.35 | $0.49 |
| Dominaria Promos | 111s | Uncommon | — | $0.69 |
2 rulings from Wizards of the Coast
- 27 April 2018Neither sacrificed creature can be the target of Whisper’s ability.
- 27 April 2018Whisper can be one of the creatures sacrificed to activate its ability.