--ジェムフラッシュエナジー
---@param c Card
function c57753602.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_END_PHASE)
	c:RegisterEffect(e1)
	--damage
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(57753602,0))
	e2:SetCategory(CATEGORY_DAMAGE)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetCode(EVENT_PHASE+PHASE_STANDBY)
	e2:SetCondition(c57753602.damcon)
	e2:SetTarget(c57753602.damtg)
	e2:SetOperation(c57753602.damop)
	c:RegisterEffect(e2)
end
function c57753602.damcon(e,tp,eg,ep,ev,re,r,rp)
	return tp==Duel.GetTurnPlayer()
end
function c57753602.filter(c)
	return c:IsFaceup() and bit.band(c:GetType(),0x20002)==0x20002
end
function c57753602.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,0)
end
function c57753602.damop(e,tp,eg,ep,ev,re,r,rp)
	local p=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER)
	local d=Duel.GetMatchingGroupCount(c57753602.filter,tp,LOCATION_SZONE,LOCATION_SZONE,nil)*300
	Duel.Damage(p,d,REASON_EFFECT)
end
