name: Gemini
card_text: During either player's turn, when your opponent activates a Spell Card, Trap Card, or monster effect that could make you discard when it resolves: You can send this card from your hand to the Graveyard; negate the activation, and if you do, destroy it. Then draw 1 card.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--Negate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_NEGATE + CATEGORY_DESTROY + CATEGORY_DRAW)
  	e1:SetType(EFFECT_TYPE_QUICK_O)
  	e1:SetCode(EVENT_CHAINING)
  	e1:SetRange(LOCATION_HAND)
  	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
  	e1:SetCondition(s.condition)
  	e1:SetCost(s.cost)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  end
  function s.condition(e, tp, eg, ep, ev, re, r, rp)
  	if ep == tp or (not re:IsHasType(EFFECT_TYPE_ACTIVATE) and not re:IsActiveType(TYPE_MONSTER)) or (not Duel.IsChainNegatable(ev)) then
  		return false
  	end
  	local ex, tg, tc, p = Duel.GetOperationInfo(ev, CATEGORY_HANDES)
  	return re:IsHasCategory(CATEGORY_HANDES) and (not ex or p ~= 1 - tp)
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return e:GetHandler():IsAbleToGraveAsCost()
  	end
  	Duel.SendtoGrave(e:GetHandler(), REASON_COST)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return true
  	end
  	Duel.SetOperationInfo(0, CATEGORY_NEGATE, eg, 1, 0, 0)
  	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
  		Duel.SetOperationInfo(0, CATEGORY_DESTROY, eg, 1, 0, 0)
  		Duel.SetOperationInfo(0, CATEGORY_DRAW, nil, 0, tp, 1)
  	end
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	if Duel.NegateActivation(ev) and re:GetHandler():IsRelateToEffect(re) and Duel.Destroy(eg, REASON_EFFECT) ~= 0 then
  		Duel.BreakEffect()
  		Duel.Draw(tp, 1, REASON_EFFECT)
  	end
  end
  
  
source_text: Gemini
  During either player's turn, when your opponent activates a Spell Card, Trap Card, or monster effect that could make you discard when it resolves: You can send this card from your hand to the Graveyard; negate the activation, and if you do, destroy it. Then draw 1 card.
target_text: -- Gemini
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--Negate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_NEGATE + CATEGORY_DESTROY + CATEGORY_DRAW)
  	e1:SetType(EFFECT_TYPE_QUICK_O)
  	e1:SetCode(EVENT_CHAINING)
  	e1:SetRange(LOCATION_HAND)
  	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
  	e1:SetCondition(s.condition)
  	e1:SetCost(s.cost)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.operation)
  	c:RegisterEffect(e1)
  end
  function s.condition(e, tp, eg, ep, ev, re, r, rp)
  	if ep == tp or (not re:IsHasType(EFFECT_TYPE_ACTIVATE) and not re:IsActiveType(TYPE_MONSTER)) or (not Duel.IsChainNegatable(ev)) then
  		return false
  	end
  	local ex, tg, tc, p = Duel.GetOperationInfo(ev, CATEGORY_HANDES)
  	return re:IsHasCategory(CATEGORY_HANDES) and (not ex or p ~= 1 - tp)
  end
  function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return e:GetHandler():IsAbleToGraveAsCost()
  	end
  	Duel.SendtoGrave(e:GetHandler(), REASON_COST)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return true
  	end
  	Duel.SetOperationInfo(0, CATEGORY_NEGATE, eg, 1, 0, 0)
  	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
  		Duel.SetOperationInfo(0, CATEGORY_DESTROY, eg, 1, 0, 0)
  		Duel.SetOperationInfo(0, CATEGORY_DRAW, nil, 0, tp, 1)
  	end
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	if Duel.NegateActivation(ev) and re:GetHandler():IsRelateToEffect(re) and Duel.Destroy(eg, REASON_EFFECT) ~= 0 then
  		Duel.BreakEffect()
  		Duel.Draw(tp, 1, REASON_EFFECT)
  	end
  end
  
  