Cannonbeemon BT23-043-C

Effect: [Security] [Opponent’s Turn] All of your Digimon with the [Royal Base] trait gain ＜Blocker＞ (This Digimon can block in the blocker timing.) [All Turns] [Once Per Turn] When this Digimon would leave the battle area other than by your effects, by flipping your top face-up security card face down, it doesn’t leave.

Inherited Effect: [All Turns] [Once Per Turn] When any of your [Royal Base] trait Digimon would leave the battle area other than by your effects, by flipping your top face-up security card face down, 1 of those Digimon doesn’t leave.