--儀式魔人プレコグスター
function c4141820.initial_effect(c)
	--ritual material
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_EXTRA_RITUAL_MATERIAL)
	c:RegisterEffect(e1)
	--become material
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetCode(EVENT_BE_MATERIAL)
	e2:SetCondition(c4141820.condition)
	e2:SetOperation(c4141820.operation)
	c:RegisterEffect(e2)
end
function c4141820.condition(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_RITUAL
end
function c4141820.operation(e,tp,eg,ep,ev,re,r,rp)
	local rc=e:GetHandler():GetReasonCard()
	if rc:GetFlagEffect(4141820)==0 then
		--draw
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
		e1:SetCode(EVENT_BATTLE_DAMAGE)
		e1:SetOperation(c4141820.hdop)
		e1:SetReset(RESET_EVENT+0x1fe0000)
		rc:RegisterEffect(e1)
		rc:RegisterFlagEffect(4141820,RESET_EVENT+0x1fe0000,0,1)
	end
end
function c4141820.hdop(e,tp,eg,ep,ev,re,r,rp)
	Duel.DiscardHand(1-tp,nil,1,1,REASON_EFFECT+REASON_DISCARD)
end
