fix "Miracle Raven"

- its search effect should be hard once per turn
- had mismatched parameter names in the target and operation, causing `chk` to be improperly checked

Author: that-hatter

pre-release/c101301084.lua

@@ -40,6 +40,7 @@ function s.initial_effect(c)
 	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
 	e4:SetProperty(EFFECT_FLAG_DELAY)
 	e4:SetCode(EVENT_RELEASE)
+	e4:SetCountLimit(1,id)
 	e4:SetCondition(function(e) return e:GetHandler():IsReason(REASON_RITUAL) end)
 	e4:SetTarget(s.thtg)
 	e4:SetOperation(s.thop)
@@ -49,15 +50,15 @@ s.listed_names={id}
 function s.thfilter(c)
 	return c:IsRitualMonster() and c:IsAbleToHand()
 end
-function s.thtg(e,tp,eg,ep,ev,r,rp,chk)
+function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
 	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
 end
-function s.thop(e,tp,eg,ep,ev,r,rp)
+function s.spop(e,tp,eg,ep,ev,re,r,rp)
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
 	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
 	if #g>0 then
 		Duel.SendtoHand(g,nil,REASON_EFFECT)
 		Duel.ConfirmCards(1-tp,g)
 	end
-end
+end