Hofuji, Iron Dragon

Opponents can not have lifelink or any +1/+1 counters on creatures they control.
When Hofuji, Iron Dragon deals combat damage, opponent sacrifices a creature.
Hofuji, iron dragon enters the battlefield with 6 +1/+1 counters on it.
whenever a creature dies, Hifuji, Iron Dragon X +1/+1 counters where X is that creatures power