黒板消しの罠
ダメージを与える効果が発動した時に発動する事ができる。
自分が受けるその効果ダメージを無効にし、相手は手札を1枚選択して捨てる。
local s, id, o = GetID()
function s.initial_effect(c)
	--reflect
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCategory(CATEGORY_HANDES)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.condition(e, tp, eg, ep, ev, re, r, rp)
	if re:IsActiveType(TYPE_SPELL + TYPE_TRAP) and not re:IsHasType(EFFECT_TYPE_ACTIVATE) then
		return false
	end
	local ex, cg, ct, cp, cv = Duel.GetOperationInfo(ev, CATEGORY_DAMAGE)
	if ex then
		return true
	end
	ex, cg, ct, cp, cv = Duel.GetOperationInfo(ev, CATEGORY_RECOVER)
	if not ex then
		return false
	end
	if cp ~= PLAYER_ALL then
		return Duel.IsPlayerAffectedByEffect(cp, EFFECT_REVERSE_RECOVER)
	else
		return Duel.IsPlayerAffectedByEffect(0, EFFECT_REVERSE_RECOVER) or Duel.IsPlayerAffectedByEffect(1, EFFECT_REVERSE_RECOVER)
	end
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.GetFieldGroupCount(tp, 0, LOCATION_HAND) > 0
	end
	Duel.SetOperationInfo(0, CATEGORY_HANDES, nil, 0, 1 - tp, 1)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	Duel.DiscardHand(1 - tp, nil, 1, 1, REASON_EFFECT + REASON_DISCARD)
	local cid = Duel.GetChainInfo(ev, CHAININFO_CHAIN_ID)
	local e1 = Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CHANGE_DAMAGE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(1, 0)
	e1:SetLabel(cid)
	e1:SetValue(s.refcon)
	e1:SetReset(RESET_CHAIN)
	Duel.RegisterEffect(e1, tp)
end
function s.refcon(e, re, val, r, rp, rc)
	local cc = Duel.GetCurrentChain()
	if cc == 0 or bit.band(r, REASON_EFFECT) == 0 then
		return
	end
	local cid = Duel.GetChainInfo(0, CHAININFO_CHAIN_ID)
	if cid == e:GetLabel() then
		return 0
	else
		return val
	end
end


黒板消しの罠
ダメージを与える効果が発動した時に発動する事ができる。
自分が受けるその効果ダメージを無効にし、相手は手札を1枚選択して捨てる。
-- 黒板消しの罠
local s, id, o = GetID()
function s.initial_effect(c)
	--reflect
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCategory(CATEGORY_HANDES)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.condition(e, tp, eg, ep, ev, re, r, rp)
	if re:IsActiveType(TYPE_SPELL + TYPE_TRAP) and not re:IsHasType(EFFECT_TYPE_ACTIVATE) then
		return false
	end
	local ex, cg, ct, cp, cv = Duel.GetOperationInfo(ev, CATEGORY_DAMAGE)
	if ex then
		return true
	end
	ex, cg, ct, cp, cv = Duel.GetOperationInfo(ev, CATEGORY_RECOVER)
	if not ex then
		return false
	end
	if cp ~= PLAYER_ALL then
		return Duel.IsPlayerAffectedByEffect(cp, EFFECT_REVERSE_RECOVER)
	else
		return Duel.IsPlayerAffectedByEffect(0, EFFECT_REVERSE_RECOVER) or Duel.IsPlayerAffectedByEffect(1, EFFECT_REVERSE_RECOVER)
	end
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.GetFieldGroupCount(tp, 0, LOCATION_HAND) > 0
	end
	Duel.SetOperationInfo(0, CATEGORY_HANDES, nil, 0, 1 - tp, 1)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	Duel.DiscardHand(1 - tp, nil, 1, 1, REASON_EFFECT + REASON_DISCARD)
	local cid = Duel.GetChainInfo(ev, CHAININFO_CHAIN_ID)
	local e1 = Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CHANGE_DAMAGE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(1, 0)
	e1:SetLabel(cid)
	e1:SetValue(s.refcon)
	e1:SetReset(RESET_CHAIN)
	Duel.RegisterEffect(e1, tp)
end
function s.refcon(e, re, val, r, rp, rc)
	local cc = Duel.GetCurrentChain()
	if cc == 0 or bit.band(r, REASON_EFFECT) == 0 then
		return
	end
	local cid = Duel.GetChainInfo(0, CHAININFO_CHAIN_ID)
	if cid == e:GetLabel() then
		return 0
	else
		return val
	end
end

