--スピア·ドラゴン
function c31553716.initial_effect(c)
	--to defence
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e1:SetCode(EVENT_DAMAGE_STEP_END)
	e1:SetCondition(c31553716.poscon)
	e1:SetOperation(c31553716.posop)
	c:RegisterEffect(e1)
	--pierce
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_PIERCE)
	c:RegisterEffect(e2)
end
function c31553716.poscon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler()==Duel.GetAttacker() and e:GetHandler():IsRelateToBattle()
end
function c31553716.posop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsAttackPos() then
		Duel.ChangePosition(c,POS_FACEUP_DEFENCE)
	end
end
