Alphamon (Pre-Release Tournament Participation Card) (BT13-075) - Secret Crisis Pre-Release Cards

[On Play] [When Digivolving] By placing 1 Digimon card with the [X Anitbody] or [Royal Knight] trait from your trash as this Digimon's bottom digivolution card, none of your opponent's play cost 10 or higher Digimon can attack players until the end of the turn.
[All Turns] [Once per Turn] When this Digimon would leave the battle area by an effect by returning 1 card with the [X Anitbody] or [Royal Knight] trait from from this Digimon's digivolution cards to the bottom of the deck, prevent it from leaving.