name: Waterfall
card_text: Activate 1 of these effects;
  ● Add 1 Wyrm monster from your Deck to your hand.
  ● Send any number of Wyrm monsters from your hand and/or face-up from your field to the GY; draw cards equal to the number of monsters you sent to the GY +1.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetHintTiming(0, TIMING_END_PHASE)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  	--Activate2
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 1))
  	e2:SetCategory(CATEGORY_DRAW)
  	e2:SetType(EFFECT_TYPE_ACTIVATE)
  	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
  	e2:SetCode(EVENT_FREE_CHAIN)
  	e2:SetHintTiming(0, TIMING_END_PHASE)
  	e2:SetCost(s.cost)
  	e2:SetTarget(s.target2)
  	e2:SetOperation(s.activate2)
  	c:RegisterEffect(e2)
  end
  function s.filter(c)
  	return c:IsRace(RACE_WYRM) and c:IsAbleToHand()
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_DECK)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
  	local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 1, nil)
  	if g:GetCount() > 0 then
  		Duel.SendtoHand(g, nil, REASON_EFFECT)
  		Duel.ConfirmCards(1 - tp, g)
  	end
  end
  function s.filter2(c)
  	return (c:IsLocation(LOCATION_HAND) or c:IsFaceup()) and c:IsRace(RACE_WYRM) and c:IsAbleToGraveAsCost()
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.filter2, tp, LOCATION_MZONE + LOCATION_HAND, 0, 1, nil)
  	end
  	local ft = Duel.GetFieldGroupCount(tp, LOCATION_DECK, 0)
  	local g = Duel.GetMatchingGroup(s.filter2, tp, LOCATION_MZONE + LOCATION_HAND, 0, nil)
  	local ct = math.min(ft - 1, g:GetCount() + 1)
  	local sg = g:Select(tp, 1, ct, nil)
  	e:SetLabel(sg:GetCount() + 1)
  	Duel.SendtoGrave(sg, REASON_COST)
  end
  function s.target2(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsPlayerCanDraw(tp, 2)
  	end
  	Duel.SetTargetPlayer(tp)
  	Duel.SetTargetParam(e:GetLabel())
  	Duel.SetOperationInfo(0, CATEGORY_DRAW, nil, 0, tp, e:GetLabel())
  end
  function s.activate2(e, tp, eg, ep, ev, re, r, rp)
  	local p, d = Duel.GetChainInfo(0, CHAININFO_TARGET_PLAYER, CHAININFO_TARGET_PARAM)
  	Duel.Draw(p, d, REASON_EFFECT)
  end
  
  
source_text: Waterfall
  Activate 1 of these effects;
  ● Add 1 Wyrm monster from your Deck to your hand.
  ● Send any number of Wyrm monsters from your hand and/or face-up from your field to the GY; draw cards equal to the number of monsters you sent to the GY +1.
target_text: -- Waterfall
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetHintTiming(0, TIMING_END_PHASE)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  	--Activate2
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 1))
  	e2:SetCategory(CATEGORY_DRAW)
  	e2:SetType(EFFECT_TYPE_ACTIVATE)
  	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
  	e2:SetCode(EVENT_FREE_CHAIN)
  	e2:SetHintTiming(0, TIMING_END_PHASE)
  	e2:SetCost(s.cost)
  	e2:SetTarget(s.target2)
  	e2:SetOperation(s.activate2)
  	c:RegisterEffect(e2)
  end
  function s.filter(c)
  	return c:IsRace(RACE_WYRM) and c:IsAbleToHand()
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil)
  	end
  	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_DECK)
  end
  function s.activate(e, tp, eg, ep, ev, re, r, rp)
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
  	local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 1, nil)
  	if g:GetCount() > 0 then
  		Duel.SendtoHand(g, nil, REASON_EFFECT)
  		Duel.ConfirmCards(1 - tp, g)
  	end
  end
  function s.filter2(c)
  	return (c:IsLocation(LOCATION_HAND) or c:IsFaceup()) and c:IsRace(RACE_WYRM) and c:IsAbleToGraveAsCost()
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsExistingMatchingCard(s.filter2, tp, LOCATION_MZONE + LOCATION_HAND, 0, 1, nil)
  	end
  	local ft = Duel.GetFieldGroupCount(tp, LOCATION_DECK, 0)
  	local g = Duel.GetMatchingGroup(s.filter2, tp, LOCATION_MZONE + LOCATION_HAND, 0, nil)
  	local ct = math.min(ft - 1, g:GetCount() + 1)
  	local sg = g:Select(tp, 1, ct, nil)
  	e:SetLabel(sg:GetCount() + 1)
  	Duel.SendtoGrave(sg, REASON_COST)
  end
  function s.target2(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.IsPlayerCanDraw(tp, 2)
  	end
  	Duel.SetTargetPlayer(tp)
  	Duel.SetTargetParam(e:GetLabel())
  	Duel.SetOperationInfo(0, CATEGORY_DRAW, nil, 0, tp, e:GetLabel())
  end
  function s.activate2(e, tp, eg, ep, ev, re, r, rp)
  	local p, d = Duel.GetChainInfo(0, CHAININFO_TARGET_PLAYER, CHAININFO_TARGET_PARAM)
  	Duel.Draw(p, d, REASON_EFFECT)
  end
  
  