name: Ninja
card_text: At the start of the Damage Step, if this card attacks a face-up Defense Position monster: Destroy that monster.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--destroy
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_DESTROY)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
  	e1:SetCode(EVENT_BATTLE_START)
  	e1:SetTarget(s.targ)
  	e1:SetOperation(s.op)
  	c:RegisterEffect(e1)
  end
  function s.targ(e, tp, eg, ep, ev, re, r, rp, chk)
  	local d = Duel.GetAttackTarget()
  	if chk == 0 then
  		return Duel.GetAttacker() == e:GetHandler() and d ~= nil and d:IsFaceup() and d:IsDefensePos() and d:IsRelateToBattle()
  	end
  	Duel.SetOperationInfo(0, CATEGORY_DESTROY, d, 1, 0, 0)
  end
  function s.op(e, tp, eg, ep, ev, re, r, rp)
  	local d = Duel.GetAttackTarget()
  	if d ~= nil and d:IsRelateToBattle() and d:IsDefensePos() then
  		Duel.Destroy(d, REASON_EFFECT)
  	end
  end
  
  
source_text: Ninja
  At the start of the Damage Step, if this card attacks a face-up Defense Position monster: Destroy that monster.
target_text: -- Ninja
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--destroy
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_DESTROY)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
  	e1:SetCode(EVENT_BATTLE_START)
  	e1:SetTarget(s.targ)
  	e1:SetOperation(s.op)
  	c:RegisterEffect(e1)
  end
  function s.targ(e, tp, eg, ep, ev, re, r, rp, chk)
  	local d = Duel.GetAttackTarget()
  	if chk == 0 then
  		return Duel.GetAttacker() == e:GetHandler() and d ~= nil and d:IsFaceup() and d:IsDefensePos() and d:IsRelateToBattle()
  	end
  	Duel.SetOperationInfo(0, CATEGORY_DESTROY, d, 1, 0, 0)
  end
  function s.op(e, tp, eg, ep, ev, re, r, rp)
  	local d = Duel.GetAttackTarget()
  	if d ~= nil and d:IsRelateToBattle() and d:IsDefensePos() then
  		Duel.Destroy(d, REASON_EFFECT)
  	end
  end
  
  