Khabál Ghoul

At the beginning of each end step, put a +1/+1 counter on this creature for each creature that died this turn.

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Masters Edition

At end of turn, put a +1/+1 counter on Khabál Ghoul for each creature put into a graveyard from play this turn.

Arabian Nights

At the end of each turn, put a +1/+1 counter on Khabál Ghoul for each other creature that died during the turn and was not regenerated.

The effect counts all creatures put into all graveyards from the battlefield during the turn. This includes creature tokens put into a graveyard as well as creatures put into a graveyard before Khabál Ghoul entered the battlefield.