You can only use this card name’s (2) effect once per turn.
(1) During damage calculation, when another “Dinowrestler” monster you control is battling an opponent’s monster: You can send this card from your hand or field to the GY; your battling monster cannot be destroyed by that battle, also your opponent’s battling monster’s ATK is halved until the end of the Damage Step.
(2) During the End Phase, if this card is in your GY because it was sent there from the field during this turn: You can Special Summon this card, but banish it if it leaves the field.