Survival of the Fittest (SR04-EN031) [Structure Deck: Dinosmasher's Fury]

Target 1 Dinosaur-Type monster you control; equip this card to that target. It gains 1000 ATK. When that attacking monster destroys an opponent's monster by battle and sends it to the Graveyard: You can activate this effect; the equipped monster can make a second attack on an opponent's monster in a row.