[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 and Blocker
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.
