Knightmon

[When Attacking] [On Deletion] You may play or use 1 card with [Knightmon] in its text and a play or use cost of 4 or less from your hand without paying the cost. [Opponent's Turn] All of your Digimon with [Knightmon] in their texts gain ＜Reboot＞ (This Digimon also unsuspends in your opponent's unsuspend phase.) and ＜Blocker＞ (This Digimon can block in the blocker timing.)

Inherited effect

[All Turns] [Once Per Turn] When any of your Digimon with [Knightmon] in their texts are played, ＜De-Digivolve 1＞ 1 of your opponent's Digimon. (Trash the top card. You can't trash past level 3 cards.)

Alternate effect

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