name: Cranium
card_text: You can Special Summon this card by Tributing 1 "Ocean's Keeper". You can discard 1 WATER monster to the Graveyard to destroy 1 face-down card.
external_ids: local CARD_ID_0 = 45045866 --Ocean's Keeper
  
lua: local CARD_ID_0 = 45045866 --Ocean's Keeper
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetCode(EFFECT_SPSUMMON_PROC)
  	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
  	e1:SetRange(LOCATION_HAND)
  	e1:SetCondition(s.spcon)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  	--to hand
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 0))
  	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e2:SetCategory(CATEGORY_DESTROY)
  	e2:SetType(EFFECT_TYPE_IGNITION)
  	e2:SetRange(LOCATION_MZONE)
  	e2:SetCost(s.descost)
  	e2:SetTarget(s.destg)
  	e2:SetOperation(s.desop)
  	c:RegisterEffect(e2)
  end
  function s.rfilter(c, tp)
  	return c:IsCode(CARD_ID_0) and Duel.GetMZoneCount(tp, c) > 0 and (c:IsControler(tp) or c:IsFaceup())
  end
  function s.spcon(e, c)
  	if c == nil then
  		return true
  	end
  	local tp = c:GetControler()
  	return Duel.CheckReleaseGroupEx(tp, s.rfilter, 1, REASON_SPSUMMON, false, nil, tp)
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk, c)
  	local g = Duel.GetReleaseGroup(tp, false, REASON_SPSUMMON):Filter(s.rfilter, nil, tp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_RELEASE)
  	local tc = g:SelectUnselect(nil, tp, false, true, 1, 1)
  	if tc then
  		e:SetLabelObject(tc)
  		return true
  	else
  		return false
  	end
  end
  function s.spop(e, tp, eg, ep, ev, re, r, rp, c)
  	local g = e:GetLabelObject()
  	Duel.Release(g, REASON_SPSUMMON)
  end
  function s.cfilter(c)
  	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsDiscardable() and c:IsAbleToGraveAsCost()
  end
  function s.descost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_HAND, 0, 1, nil)
  	end
  	Duel.DiscardHand(tp, s.cfilter, 1, 1, REASON_COST + REASON_DISCARD)
  end
  function s.filter(c)
  	return c:IsFacedown()
  end
  function s.destg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsOnField() and s.filter(chkc)
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, nil)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DESTROY)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, 1, nil)
  	Duel.SetOperationInfo(0, CATEGORY_DESTROY, g, 1, 0, 0)
  end
  function s.desop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if tc and tc:IsFacedown() and tc:IsRelateToEffect(e) then
  		Duel.Destroy(tc, REASON_EFFECT)
  	end
  end
  
  
source_text: Cranium
  You can Special Summon this card by Tributing 1 "Ocean's Keeper". You can discard 1 WATER monster to the Graveyard to destroy 1 face-down card.
target_text: -- Cranium
  local CARD_ID_0 = 45045866 --Ocean's Keeper
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetCode(EFFECT_SPSUMMON_PROC)
  	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
  	e1:SetRange(LOCATION_HAND)
  	e1:SetCondition(s.spcon)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  	--to hand
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 0))
  	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e2:SetCategory(CATEGORY_DESTROY)
  	e2:SetType(EFFECT_TYPE_IGNITION)
  	e2:SetRange(LOCATION_MZONE)
  	e2:SetCost(s.descost)
  	e2:SetTarget(s.destg)
  	e2:SetOperation(s.desop)
  	c:RegisterEffect(e2)
  end
  function s.rfilter(c, tp)
  	return c:IsCode(CARD_ID_0) and Duel.GetMZoneCount(tp, c) > 0 and (c:IsControler(tp) or c:IsFaceup())
  end
  function s.spcon(e, c)
  	if c == nil then
  		return true
  	end
  	local tp = c:GetControler()
  	return Duel.CheckReleaseGroupEx(tp, s.rfilter, 1, REASON_SPSUMMON, false, nil, tp)
  end
  function s.sptg(e, tp, eg, ep, ev, re, r, rp, chk, c)
  	local g = Duel.GetReleaseGroup(tp, false, REASON_SPSUMMON):Filter(s.rfilter, nil, tp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_RELEASE)
  	local tc = g:SelectUnselect(nil, tp, false, true, 1, 1)
  	if tc then
  		e:SetLabelObject(tc)
  		return true
  	else
  		return false
  	end
  end
  function s.spop(e, tp, eg, ep, ev, re, r, rp, c)
  	local g = e:GetLabelObject()
  	Duel.Release(g, REASON_SPSUMMON)
  end
  function s.cfilter(c)
  	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsDiscardable() and c:IsAbleToGraveAsCost()
  end
  function s.descost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.cfilter, tp, LOCATION_HAND, 0, 1, nil)
  	end
  	Duel.DiscardHand(tp, s.cfilter, 1, 1, REASON_COST + REASON_DISCARD)
  end
  function s.filter(c)
  	return c:IsFacedown()
  end
  function s.destg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsOnField() and s.filter(chkc)
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, nil)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DESTROY)
  	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_ONFIELD, LOCATION_ONFIELD, 1, 1, nil)
  	Duel.SetOperationInfo(0, CATEGORY_DESTROY, g, 1, 0, 0)
  end
  function s.desop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if tc and tc:IsFacedown() and tc:IsRelateToEffect(e) then
  		Duel.Destroy(tc, REASON_EFFECT)
  	end
  end
  
  