Effect
<Guard> (When any of your other Digimon would leave the battle area by your opponent's effects, by deleting this Digimon, they don't leave.)
[On Play] [On Deletion] <De-Digivolve 1> 1 of your opponent's Digimon. (Trash the top card. You can't trash past level 3 cards.)
Inherited effect
[All Turns] [Once Per Turn] When this Digimon would leave the battle area other than by your effects, by deleting 1 of your other Digimon with [Knightmon] in its text, it doesn't leave.