Steelswarm Roach [GENF-EN099] Secret Rare Dinosaur and they cannot be destroyed

and they cannot be destroyed by your opponent's card effects

Set: Maximum Crisis Card type: Tuner/Effect Monster Rarity: Secret Rare Attack: 0 Defense: 1800 During either player's turn

field and Graveyard

•If "Unity" is in your Graveyard

Set: Enemy of Justice Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 1200 "Elemental Hero Avian" + "Elemental Hero Burstinatrix" This monster cannot be Special Summoned except by Fusion Summon

Steelswarm Roach [GENF-EN099] Secret Rare Dinosaur and they cannot be destroyedSet: Generation Force Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 1900 Defense: 0 2 Level 4 monsters When a Level 5 or higher monster is Special Summoned: You can detach 1 Xyz Material from this card, negate the Special Summon and destroy it.