Summon - Ghoul (CMC:4)
At the end of each turn, put one counter on the Ghoul for each other creature that was destroyed without regenerating during the turn. If Ghoul dies, you may use a counter to regenerate it; counters remain until used.
2E • ENJeff A. Menges
™ & © 1993—1993 Wizards of the Coast
Legal in: Legacy,Vintage,Commander
Oracle Text (click to copy):
View this MTG card on Gatherer
10/4/2004 The Ghoul still gets to claim counters even if it enters the battlefield after the creatures died.