Hammer
Destroy the 1 Attack Position monster on the field with the highest ATK (your choice, if tied).
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsPosition(POS_FACEUP_ATTACK)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, 1, nil)
	end
	local g = Duel.GetMatchingGroup(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
	local tg = g:GetMaxGroup(Card.GetAttack)
	Duel.SetOperationInfo(0, CATEGORY_DESTROY, tg, 1, 0, 0)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	local g = Duel.GetMatchingGroup(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
	if g:GetCount() > 0 then
		local tg = g:GetMaxGroup(Card.GetAttack)
		if tg:GetCount() > 1 then
			Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DESTROY)
			local sg = tg:Select(tp, 1, 1, nil)
			Duel.HintSelection(sg)
			Duel.Destroy(sg, REASON_EFFECT)
		else
			Duel.Destroy(tg, REASON_EFFECT)
		end
	end
end


Hammer
Destroy the 1 Attack Position monster on the field with the highest ATK (your choice, if tied).
-- Hammer
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsPosition(POS_FACEUP_ATTACK)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, 1, nil)
	end
	local g = Duel.GetMatchingGroup(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
	local tg = g:GetMaxGroup(Card.GetAttack)
	Duel.SetOperationInfo(0, CATEGORY_DESTROY, tg, 1, 0, 0)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	local g = Duel.GetMatchingGroup(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, nil)
	if g:GetCount() > 0 then
		local tg = g:GetMaxGroup(Card.GetAttack)
		if tg:GetCount() > 1 then
			Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_DESTROY)
			local sg = tg:Select(tp, 1, 1, nil)
			Duel.HintSelection(sg)
			Duel.Destroy(sg, REASON_EFFECT)
		else
			Duel.Destroy(tg, REASON_EFFECT)
		end
	end
end

