Coach
Cannot be used as material for an Xyz Summon, except for the Xyz Summon of a FIRE Warrior monster. You can Normal Summon this card without Tributing, but its original ATK becomes 1300. Once per turn: You can make all Level 4 Beast-Warrior monsters you currently control become Level 8 until the end of this turn.
local s, id, o = GetID()
function s.initial_effect(c)
	--summon with no tribute
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SUMMON_PROC)
	e1:SetCondition(s.ntcon)
	e1:SetOperation(s.ntop)
	c:RegisterEffect(e1)
	--lvchange
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetTarget(s.lvtg)
	e2:SetOperation(s.lvop)
	c:RegisterEffect(e2)
	--xyz limit
	local e3 = Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE + EFFECT_FLAG_UNCOPYABLE)
	e3:SetCode(EFFECT_CANNOT_BE_XYZ_MATERIAL)
	e3:SetValue(s.xyzlimit)
	c:RegisterEffect(e3)
end
function s.ntcon(e, c, minc)
	if c == nil then
		return true
	end
	return minc == 0 and c:IsLevelAbove(5) and Duel.GetLocationCount(c:GetControler(), LOCATION_MZONE) > 0
end
function s.ntop(e, tp, eg, ep, ev, re, r, rp, c)
	--change base attack
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetReset(RESET_EVENT + 0xff0000)
	e1:SetCode(EFFECT_SET_BASE_ATTACK)
	e1:SetValue(1300)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsRace(RACE_BEASTWARRIOR) and c:IsLevel(4)
end
function s.lvtg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_MZONE, 0, 1, nil)
	end
end
function s.lvop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	local g = Duel.GetMatchingGroup(s.filter, tp, LOCATION_MZONE, 0, nil)
	local tc = g:GetFirst()
	while tc do
		local e1 = Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_CHANGE_LEVEL)
		e1:SetValue(8)
		e1:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_PHASE + PHASE_END)
		tc:RegisterEffect(e1)
		tc = g:GetNext()
	end
end
function s.xyzlimit(e, c)
	if not c then
		return false
	end
	return not c:IsAttribute(ATTRIBUTE_FIRE) or not c:IsRace(RACE_WARRIOR)
end


Coach
Cannot be used as material for an Xyz Summon, except for the Xyz Summon of a FIRE Warrior monster. You can Normal Summon this card without Tributing, but its original ATK becomes 1300. Once per turn: You can make all Level 4 Beast-Warrior monsters you currently control become Level 8 until the end of this turn.
-- Coach
local s, id, o = GetID()
function s.initial_effect(c)
	--summon with no tribute
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SUMMON_PROC)
	e1:SetCondition(s.ntcon)
	e1:SetOperation(s.ntop)
	c:RegisterEffect(e1)
	--lvchange
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetTarget(s.lvtg)
	e2:SetOperation(s.lvop)
	c:RegisterEffect(e2)
	--xyz limit
	local e3 = Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE + EFFECT_FLAG_UNCOPYABLE)
	e3:SetCode(EFFECT_CANNOT_BE_XYZ_MATERIAL)
	e3:SetValue(s.xyzlimit)
	c:RegisterEffect(e3)
end
function s.ntcon(e, c, minc)
	if c == nil then
		return true
	end
	return minc == 0 and c:IsLevelAbove(5) and Duel.GetLocationCount(c:GetControler(), LOCATION_MZONE) > 0
end
function s.ntop(e, tp, eg, ep, ev, re, r, rp, c)
	--change base attack
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetReset(RESET_EVENT + 0xff0000)
	e1:SetCode(EFFECT_SET_BASE_ATTACK)
	e1:SetValue(1300)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsRace(RACE_BEASTWARRIOR) and c:IsLevel(4)
end
function s.lvtg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_MZONE, 0, 1, nil)
	end
end
function s.lvop(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	local g = Duel.GetMatchingGroup(s.filter, tp, LOCATION_MZONE, 0, nil)
	local tc = g:GetFirst()
	while tc do
		local e1 = Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_CHANGE_LEVEL)
		e1:SetValue(8)
		e1:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_PHASE + PHASE_END)
		tc:RegisterEffect(e1)
		tc = g:GetNext()
	end
end
function s.xyzlimit(e, c)
	if not c then
		return false
	end
	return not c:IsAttribute(ATTRIBUTE_FIRE) or not c:IsRace(RACE_WARRIOR)
end

