Dinomist Rex

If this card attacks, at the end of the Damage Step: You can Tribute 1 other "Dinomist" monster, then activate 1 of these effects; ● This card can attack an opponent's monster again in a row, and if it attacks a Defense Position monster, inflict piercing battle damage to your opponent. ● Shuffle 1 card from your opponent's hand (at random) or their side of the field into the Deck, then this card gains 100 ATK.