Alpha Authority [Gatecrash] Uncommon and the opponent's monster is

and the opponent's monster is not destroyed

or you're just starting to build your Extra Deck with cards from Duel Devastator

"The predator knows the true way of the world

The Special Summoned monster is destroyed at the end of this turn

Set: Battle Pack 3: Monster League Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Look at up to 5 cards from the top of your Deck

Alpha Authority [Gatecrash] Uncommon and the opponent's monster isSet: Gatecrash Type: Enchantment Aura Rarity: Uncommon Cost: {1}{G} Enchant creature Enchanted creature has hexproof and can't be blocked by more than one creature. Even the bitterest enemies of the Burning Tree Clan respect the strength of Borborygmos's rule.