Cheapest priced copy (New Phyrexia): $2.79 at Card Kingdom, near mint, their price list as of .
Whispering Specter 
Creature — Phyrexian Specter · 1/1 · Uncommon · New Phyrexia · #77
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, that player discards a card for each poison counter they have.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $2.79 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| New Phyrexia | 77 | Uncommon | $2.79 | $6.99Out of stock |
One ruling from Wizards of the Coast
- 1 June 2011You choose whether or not to sacrifice Whispering Specter, and the number of poison counters the player has is counted, when the triggered ability resolves.