Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
This card is used to Ritual Summon "Garma Sword". You must also Tribute monsters whose total Levels equal 7 or more from the field or your hand.
--ガルマソードの誓い
--Garma Sword Oath
local s,id=GetID()
function s.initial_effect(c)
	Ritual.AddProcGreaterCode(c,7,nil,90844184)
end