When your opponent attacks one of your dinosaurs, you can summon Gigantspinosaurus from your hand. Gigantspinosaurus will be attacked instead.
Super Survival (Mountain Gigantspinosaurus)
When this Dinosaur uses a Super Move and wins the battle, you can return 1 of your other Earth Dinosaurs in play to your hand.
Armor of the Pack/Pack Armor (Hidden Gigantspinosaurus)
As long as you have a level 7 Dinosaur in play, this Dinosaur gains [Armored]. (If this Dinosaur loses a battle, you can discard 2 cards. If you do, this Dinosaur stays in play and you don't lose Life Points from that battle.)