You can Special Summon this card (from your hand) by sending 1 other "Infernity" monster in your hand to the GY. You can only Special Summon "Infernity Wildcat" once per turn this way. While you have no cards in your hand: You can banish 1 "Infernity" monster from your GY; increase or decrease the Level of this card by 1 until the end of this turn. You can only use this effect of "Infernity Wildcat" once per turn.