Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
This card is used to Ritual Summon "Shinato, King of a Higher Plane". You must also Tribute monsters whose total Levels equal 8 or more from the field or your hand.
--奇跡の方舟
--Shinato's Ark
local s,id=GetID()
function s.initial_effect(c)
	Ritual.AddProcGreaterCode(c,8,nil,86327225)
end