DarkKnightmon

[On Play] [When Digivolving] Until your opponent's turn ends, their ＜De-Digivolve＞ effects don't affect 1 of your Digimon, and it gets +3000 DP.
[All Turns] [Once Per Turn] When this Digimon would leave the battle area, you may play 1 play cost 4 or lower card from its digivolution cards without paying the cost.

[Opponent's Turn] [Once Per Turn] When one of your opponent's Digimon attacks, you may change the attack target to this Digimon.

[Alt]
[Digivolve] Lv.4 w/[Knightmon] in text: Cost 3