Reaper of Sheoldred

Oracle Text

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever a source deals damage to Reaper of Sheoldred, that source's controller gets a poison counter.

Card Rulings

6/1/2011 The source’s controller will get one poison counter for each time that source deals damage to Reaper of Sheoldred, not one poison counter for each 1 damage dealt.