Supportive Harem

Once per turn, you may sacrifice a female human creature. If you do so, put a +1/+1 counter on
target male human creature.
Whenever a female human creature is sacrificed (excluding the scenario above), put a +1/+1
counter on target male human creature.
"All the girls seem to fall for Wei Xiao Bao, though
he is neither wise nor powerful."
- Silsword, Scholar of San Zheng Nation