Hunaphu Shaman

Hunaphu Shaman does not untap during your untap step if it is not equipped with a mask.
When this creature enters the battlefield create an equipment called Spiritwalker Mask. This equipment has an equip cost of {1} and has equipped gains +1/+1 and ethereal 1(At the beginning of your upkeep you may exile this creature until 1 of your opponent's turns have passed)