[Always] Absolute Boundary
[Always] <Valid> Square <Effect> During your turn, all [Cruel Dragon] in your Trash has their Cost reduced by 2. However, the Cost cannot be equal to or less than 0.
[Boot] <Valid> Square <Cost> Put 2 [Cruel Dragon] in your Charge into Trash. <Effect> Choose a [Cruel Dragon] in your Trash, and make it appear in empty Normal Square as Reboot. This ability can only be played during your turn, and only once per turn.