Lupus and His Moon

Flash
When Lupus and His Moon enter the battlefield, you gain life equal to how many times it has become night this game. As long as this card remains on the battlefield, you gain another two life each time it becomes night again.
{t}{b} As long as it is night, all Creatures you control have Haste, Indestructible, and Death touch. Counter spells cost one extra to cast.