Beast
You can Normal Summon/Set this card without Tributing, but its original ATK becomes 1900. You can Tribute 3 monsters to Tribute Summon (but not Set) this card. If Summoned this way: Destroy all cards your opponent controls.
local s, id, o = GetID()
function s.initial_effect(c)
	--summon & set 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)
	local e2 = e1:Clone()
	e2:SetCode(EFFECT_SET_PROC)
	c:RegisterEffect(e2)
	--summon with 3 tribute
	local e3 = Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id, 1))
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_SUMMON_PROC)
	e3:SetCondition(s.ttcon)
	e3:SetOperation(s.ttop)
	e3:SetValue(SUMMON_TYPE_ADVANCE + SUMMON_VALUE_SELF)
	c:RegisterEffect(e3)
	--destroy
	local e4 = Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id, 2))
	e4:SetCategory(CATEGORY_DESTROY)
	e4:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
	e4:SetCode(EVENT_SUMMON_SUCCESS)
	e4:SetCondition(s.descon)
	e4:SetTarget(s.destg)
	e4:SetOperation(s.desop)
	c:RegisterEffect(e4)
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:SetCode(EFFECT_SET_BASE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(1900)
	e1:SetReset(RESET_EVENT + 0xff0000)
	c:RegisterEffect(e1)
end
function s.ttcon(e, c, minc)
	if c == nil then
		return true
	end
	return minc <= 3 and Duel.CheckTribute(c, 3)
end
function s.ttop(e, tp, eg, ep, ev, re, r, rp, c)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_RELEASE)
	local g = Duel.SelectTribute(tp, c, 3, 3)
	c:SetMaterial(g)
	Duel.Release(g, REASON_SUMMON + REASON_MATERIAL)
end
function s.descon(e, tp, eg, ep, ev, re, r, rp)
	return e:GetHandler():GetSummonType() == SUMMON_TYPE_ADVANCE + SUMMON_VALUE_SELF
end
function s.destg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return true
	end
	local sg = Duel.GetMatchingGroup(aux.TRUE, tp, 0, LOCATION_ONFIELD, nil)
	Duel.SetOperationInfo(0, CATEGORY_DESTROY, sg, sg:GetCount(), 0, 0)
end
function s.desop(e, tp, eg, ep, ev, re, r, rp)
	local sg = Duel.GetMatchingGroup(aux.TRUE, tp, 0, LOCATION_ONFIELD, nil)
	Duel.Destroy(sg, REASON_EFFECT)
end


Beast
You can Normal Summon/Set this card without Tributing, but its original ATK becomes 1900. You can Tribute 3 monsters to Tribute Summon (but not Set) this card. If Summoned this way: Destroy all cards your opponent controls.
-- Beast
local s, id, o = GetID()
function s.initial_effect(c)
	--summon & set 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)
	local e2 = e1:Clone()
	e2:SetCode(EFFECT_SET_PROC)
	c:RegisterEffect(e2)
	--summon with 3 tribute
	local e3 = Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id, 1))
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_SUMMON_PROC)
	e3:SetCondition(s.ttcon)
	e3:SetOperation(s.ttop)
	e3:SetValue(SUMMON_TYPE_ADVANCE + SUMMON_VALUE_SELF)
	c:RegisterEffect(e3)
	--destroy
	local e4 = Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id, 2))
	e4:SetCategory(CATEGORY_DESTROY)
	e4:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
	e4:SetCode(EVENT_SUMMON_SUCCESS)
	e4:SetCondition(s.descon)
	e4:SetTarget(s.destg)
	e4:SetOperation(s.desop)
	c:RegisterEffect(e4)
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:SetCode(EFFECT_SET_BASE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(1900)
	e1:SetReset(RESET_EVENT + 0xff0000)
	c:RegisterEffect(e1)
end
function s.ttcon(e, c, minc)
	if c == nil then
		return true
	end
	return minc <= 3 and Duel.CheckTribute(c, 3)
end
function s.ttop(e, tp, eg, ep, ev, re, r, rp, c)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_RELEASE)
	local g = Duel.SelectTribute(tp, c, 3, 3)
	c:SetMaterial(g)
	Duel.Release(g, REASON_SUMMON + REASON_MATERIAL)
end
function s.descon(e, tp, eg, ep, ev, re, r, rp)
	return e:GetHandler():GetSummonType() == SUMMON_TYPE_ADVANCE + SUMMON_VALUE_SELF
end
function s.destg(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return true
	end
	local sg = Duel.GetMatchingGroup(aux.TRUE, tp, 0, LOCATION_ONFIELD, nil)
	Duel.SetOperationInfo(0, CATEGORY_DESTROY, sg, sg:GetCount(), 0, 0)
end
function s.desop(e, tp, eg, ep, ev, re, r, rp)
	local sg = Duel.GetMatchingGroup(aux.TRUE, tp, 0, LOCATION_ONFIELD, nil)
	Duel.Destroy(sg, REASON_EFFECT)
end

