Hour of the Blood Moon

During your turn, you may pay 5 life to activate the Enchantment.
Activation: Select 4 Creatures, add a +1/+2 Counter onto them, they have lifelink, if they attack a opponent, add 2 life for each attack landed and a additional 1 if they also attacked a opponent for each creature you didn't select
that did attack, lasts until end of turn.