Alien Brain - OP16-EN021 - Common - Unlimited Edition Tweet Out of stock. Wishlist Details Passcode: 17490535 Set: OTS Tournament Pack 16 Card Number: OP16-EN021 Rarity: Common Card Text: If a Reptile monster you control is destroyed by battle with an opponent's attacking monster and sent to the GY: Take control of the opponent's monster, and if you do, it becomes a Reptile. Card Type: Trap Name: Alien Brain Edition: Unlimited