Chaos Degradation [ST10-14] [Starter Deck: Parallel World Tactician]Set: Starter Deck: Parallel World Tactician Card type: Option Rarity: Rare Play Cost: 8 [Main] Place 1 of your opponent's Digimon face down at the top or bottom of your opponent's security stack. If you do, trash the top card of your opponent's security stack. [Security] You may place 1 of your opponent's Digimon face down at the top or bottom of its owner's security stack.