Dinomist Rex

[ Pendulum Effect ] 
Once, while this card is in your Pendulum Zone, you can negate an activated card effect that targets another "Dinomist" card(s) you control, then destroy this card.

[ Monster Effect ] 
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.