Shenzi, Banzai, and Ed

Menace
Shenzi, Banzai, and Ed may block two additional creatures.
If Shenzi, Banzai, and Ed block only one creature, halve that creatures power and toughness.
(round the results up)
If Shenzi, Banzai, and Ed block three or more creatures, put a +1/+1 counter on them for each creature that was blocked by them and died
this turn.