local cm,m=GetID()
cm.name="7机会"
function cm.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DRAW+CATEGORY_RECOVER)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCondition(cm.condition)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.activate)
	c:RegisterEffect(e1)
end
--Activate
function cm.filter(c)
	return c:IsLevel(7) and c:IsLocation(LOCATION_HAND)
end
function cm.condition(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetAttacker()
	return tc:IsControler(1-tp) and tc:IsLevelAbove(7)
end
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,3) end
	RD.TargetDraw(tp,3)
end
function cm.activate(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	local g=Duel.GetDecktopGroup(p,d)
	if Duel.Draw(p,d,REASON_EFFECT)~=0 then
		Duel.ConfirmCards(1-p,g)
		local ct=g:FilterCount(cm.filter,nil)
		if ct>1 then
			Duel.Recover(tp,ct*1500,REASON_EFFECT)
		end
		Duel.ShuffleHand(p)
	end
end