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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 Whispering Specter deals combat damage to a player, you may sacrifice it. If you do, that player discards a card for each poison counter they have.
You choose whether or not to sacrifice Whispering Specter, and the number of poison counters the player has is counted, when the triggered ability resolves.
